CN114892897B - 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

Info

Publication number
CN114892897B
CN114892897B CN202210635033.8A CN202210635033A CN114892897B CN 114892897 B CN114892897 B CN 114892897B CN 202210635033 A CN202210635033 A CN 202210635033A CN 114892897 B CN114892897 B CN 114892897B
Authority
CN
China
Prior art keywords
etfe
sliding
fixing
membrane
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210635033.8A
Other languages
Chinese (zh)
Other versions
CN114892897A (en
Inventor
张世海
任春茂
戚展
李圆
刘定军
刘京
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING URBAN CONSTRUCTION ENGINEERING TENTH CO LTD
Original Assignee
BEIJING URBAN CONSTRUCTION ENGINEERING TENTH CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING URBAN CONSTRUCTION ENGINEERING TENTH CO LTD filed Critical BEIJING URBAN CONSTRUCTION ENGINEERING TENTH CO LTD
Priority to CN202210635033.8A priority Critical patent/CN114892897B/en
Publication of CN114892897A publication Critical patent/CN114892897A/en
Application granted granted Critical
Publication of CN114892897B publication Critical patent/CN114892897B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/03Sky-lights; Domes; Ventilating sky-lights
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/342Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/04Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404Drainage on the roof surface
    • E04D13/0445Drainage channels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/03Sky-lights; Domes; Ventilating sky-lights
    • E04D2013/034Daylight conveying tubular skylights
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

Abstract

The utility model relates to a field of ETFE membrane connection structure especially relates to a overspeed device tensioner of ETFE color film and large-span steel wood combination truss arch structure, including steel wood truss and ETFE membrane, be provided with on the steel wood truss with two bracing pieces of steel wood truss adaptation, two be connected with the multiunit between the bracing piece and be used for connecting the first connecting piece of ETFE membrane, first connecting piece slides along the bracing piece, first connecting piece includes cable, two sliders and is used for connecting the connecting portion of cable on the slider, two sliding connection respectively 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 application has the effect of being convenient for ETFE membrane expansion tensioning.

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 (ethylene-propylene-diene monomer) 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 film material comprises ethylene-tetrafluoroethylene copolymer, 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 has the extensibility of 420-440 percent.
When the ETFE film is installed on the skylight of the large-span steel-wood combined truss arch structure, the ETFE film is required to be covered on the skylight, then the ETFE film is stretched, the ETFE film is stretched and tensioned, a certain tensioning force is formed, and then the clamping piece for clamping the ETFE film is fixed on the steel-wood combined truss of the skylight through bolts.
With respect to the related art as described above, the inventors have found that after the ETFE film is placed on the steel-wood truss, it is necessary to gradually pull the corners of the ETFE film, and the ETFE film is stretched and tensioned, but breakage of the ETFE film is easily caused during the pulling of the corners.
Disclosure of Invention
In order to facilitate the unfolding and tensioning of the ETFE film, the application provides a tensioning device of an ETFE color film and large-span steel-wood combined truss arch structure.
The application provides a tensioning device of ETFE color film and longspan steel wood combination truss arch structure adopts following technical scheme:
the utility model provides a tensioning device of ETFE color film and large-span steel-wood combination truss arch structure, includes steel-wood truss and ETFE membrane, be provided with on the steel-wood truss with two bracing pieces of steel-wood truss adaptation, two be connected with the multiunit between the bracing piece and be used for connecting the first connecting piece of ETFE membrane, first connecting piece slides along the bracing piece, first connecting piece includes cable, two sliders and is used for connecting the connecting portion of cable on the slider, two sliding connection respectively 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.
Through adopting above-mentioned technical scheme, fix the bracing piece on steel wood truss, connect the cable in advance in one side of ETFE membrane, lay the ETFE membrane on two bracing pieces again, be connected with the slider through connecting portion with the cable, slide the slider, the slider passes through the cable and drives ETFE membrane and remove, expand the ETFE membrane, do not need directly to drag 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 ETFE membrane between each cable, so that the regulation to the tensioning degree of ETFE membrane, further reduced the damaged possibility of ETFE membrane.
Optionally, the spout has been seted up on the bracing piece, slider sliding connection is in the spout, the slider is T shape piece, the spout is the T-shaped groove with the slider adaptation, the mounting is including setting up the saw rack in the spout, be provided with on the slider be used for with saw rack engaged sawtooth piece, threaded connection has connecting bolt on the slider, connecting bolt passes the diapire threaded connection of slider and spout.
By adopting the technical scheme, the sliding block is slid, after the sliding block moves to a required position, the adjusting connecting bolt is abutted with 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 engagement mode reduces the possibility that the sliding block slides back under the tensile force action of the ETFE film, so that pretightening force is applied to the ETFE film, and tensioning of the ETFE film is facilitated.
Optionally, the connecting portion includes the connecting block of sliding setting on the slider, the slip direction of connecting block is followed the slip direction of slider, be provided with the cable head that is used for fixed cable on the connecting block, be provided with the spring that is used for providing pretension for the connecting block on the slider, the one end and the slider of spring are connected, and the other end is connected with the connecting block.
Through adopting above-mentioned technical scheme, you are fixed respectively on the cable head with the both ends of the cable of connecting on ETFE membrane in advance, after removing the slider and straightening ETFE membrane, ETFE membrane pulling connecting block removes, and the connecting block is tensile with the spring to realize that the spring provides the tensioning force of removal to ETFE membrane, and the slider is fixed the back, and the connecting block still has certain accommodation space, so that reduce behind the slider is fixed, and the possibility that the hard pulling makes ETFE membrane damaged.
Optionally, the second connecting piece includes the connecting plate of sliding setting on the bracing piece, the connecting plate slides towards one side that keeps away from or is close to the ETFE membrane, be provided with the fastening bolt that 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 the stretching wire, be provided with first fixed plate on the connecting plate, the stretching wire is fixed on first fixed plate.
Through adopting above-mentioned technical scheme, fix the stretch-draw rope on first fixed plate, remove the connecting plate, expand ETFE membrane in width direction to adjust ETFE membrane in width direction's stretching force, in order to be convenient for to the expansion tensioning of ETFE membrane.
Optionally, be provided with the water guide plate on the steel wood truss, the water guide plate is located the both sides of ETFE membrane, the water guide plate is parallel with the bracing piece, the basin has been seted up on the water guide plate, the water guide plate is parallel with the bracing piece, the side of ETFE membrane is provided with the extension membrane, the extension membrane extends to in the basin and is connected with the basin wall, be provided with the support piece that is used for upwards propping up the both ends of ETFE membrane on the bracing piece, be provided with the taut piece that is used for downwards tensioning the middle part of ETFE membrane on the bracing piece.
Through adopting above-mentioned technical scheme, support piece supports the perk with the both ends of ETFE membrane, and the taut part is taut with the middle part of ETFE membrane, and rainwater on the ETFE membrane flows to both ends from the middle part of skylight, and when flowing to the tip, the ETFE membrane of perk will rainwater guide to the basin in, discharges from the basin again, has reduced the random possibility that flows down and leak of rainwater on the ETFE membrane.
Optionally, the 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 first connecting rod is followed to the slip direction of montant, the top of montant is provided with the supporting head that is used for supporting ETFE membrane, a plurality of montants are parallel to each other.
Through adopting above-mentioned technical scheme, support a plurality of bracing pieces at the tip of ETFE membrane to realize the tip perk with the ETFE membrane, improved the tensioning degree of ETFE membrane on the one hand, reduced the gathering of rainwater on the ETFE membrane, cause the accumulation of rainwater, on the other hand is in order to introduce the rainwater into the basin.
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 height of montant is from the middle part of ETFE membrane towards both sides gradually reducing, 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 think both sides gradually from the middle part and reduce to the radian in adaptation skylight, and the dome shape of formation is favorable to leading in the rainwater to the basin in discharge, reduces the accumulation of rainwater.
Optionally, the tensioning member includes the second connecting rod that sets up between two bracing pieces, it is provided with a plurality of tensioning rods to slide on the second connecting rod, the direction of sliding of tensioning rod is along the length direction of second connecting rod, ETFE membrane is passed at the top of tensioning rod, the tip of tensioning rod is provided with the fixed cap that is used for fixed ETFE membrane, a plurality of the tensioning rod is parallel to each other.
Through adopting above-mentioned technical scheme, the tensioning lever is taut downwards with ETFE membrane, and on the one hand is fixed with ETFE membrane, improves the rate of tension on the ETFE membrane, on the other hand cooperates with support piece to in the rainwater guide basin of being convenient for.
In summary, the present application includes at least one of the following beneficial technical effects:
the support rods are fixed on a steel-wood truss, the inhaul cables are connected to one side of the ETFE film in advance, the ETFE film is paved on the two support rods, the inhaul cables are connected with the sliding block through the connecting parts, the sliding block slides, the sliding block drives the ETFE film to move through the inhaul cables, the ETFE film is unfolded without directly pulling the ETFE film so as to reduce the damage of the ETFE film, the sliding block is fixed at any required position through the fixing piece so as to adjust the tensioning degree of the ETFE film among the inhaul cables, so that the tensioning degree of the ETFE film is adjusted, and the possibility of the damage of the ETFE film is further reduced;
the support piece supports the two ends of the ETFE film and warps, the tensioning piece tightens the middle part of the ETFE film, rainwater on the ETFE film flows from the middle part of the skylight to the two ends, and when the rainwater flows to the end part, the warped ETFE film guides the rainwater into the water tank and then is discharged from the water tank, so that the possibility of water leakage caused by random flowing down of the rainwater on the ETFE film is reduced.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a cross-sectional view of a support bar according to an embodiment of the present application.
Fig. 3 is a cross-sectional view of the support bar of the present embodiment in various positions.
Fig. 4 is a schematic structural view of a support member and a tension member according to an embodiment of the present application.
Reference numerals illustrate: 1. steel-wood truss; 2. ETFE membrane; 3. a support rod; 4. a guy cable; 5. a slide block; 6. a connection part; 61. a connecting block; 62. a cable head; 63. a spring; 7. a chute; 8. a saw rack; 9. a saw tooth block; 10. a connecting bolt; 11. a connecting plate; 12. a fastening bolt; 13. zhang Lasheng; 14. a water guide plate; 15. a water tank; 16. extending the film; 17. a first connecting rod; 18. a vertical rod; 181. a fixing part; 182. an extension; 183. an adjustment aperture; 184. a first fixing bolt; 19. a support head; 20. a second connecting rod; 21. a tension rod; 22. a fixing cap; 23. a sliding groove; 24. a mounting plate; 25. a connecting groove; 26. a mounting bar; 27. a limiting ring; 28. a first fixing plate.
Detailed Description
The present application is described in further detail below in conjunction with 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 combined 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 paved on the steel-wood truss 1, two support rods 3 matched with the steel-wood truss 1 are welded and fixed on two sides of the steel-wood truss 1, the support rods 3 are arc-shaped 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, the first connecting pieces comprise a guy cable 4, two sliding blocks 5 and a connecting part 6 for connecting the guy cable 4 on the sliding blocks 5, the two sliding blocks 5 are respectively connected on the two support rods 3, the ETFE film 2 is paved on the two support rods 3, and a second connecting piece for fixing the side edges of the ETFE film 2 is arranged on the support rods 3.
Referring to fig. 2 and 3, a sliding groove 7 is formed in the upper surface of the supporting 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 piece comprises a sawtooth strip 8 welded and fixed on the bottom wall of the sliding groove 7, a sawtooth block 9 used for being meshed with the sawtooth strip 8 is welded and fixed on the base cloth of the sliding block 5, sawteeth are formed on the sawtooth block 9, the sawtooth block 9 is meshed with the sawtooth strip 8, a certain gap is reserved between the top wall of 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; the connecting bolt 10 is threaded on the sliding block 5, a plurality of threaded holes are formed in the bottom wall of the sliding groove 7, and the connecting bolt 10 penetrates through the sliding block 5 to be in threaded connection with the threaded holes in the bottom wall of the sliding groove 7, so that the sliding block 5 is fixed. The connecting part 6 comprises a connecting block 61 which is connected to the sliding block 5 in a sliding way, the connecting block 61 is a T-shaped block, the 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 way, the sliding direction of the connecting block 61 is along the sliding direction of the sliding block 5, a cable head 62 for fixing a guy cable 4 is fixedly welded at the end part of the connecting block 61 far away from the sliding block 5, a spring 63 for providing pretension force for the connecting block 61 is arranged on the sliding block 5, the spring 63 is positioned in the sliding groove 23, one end of the spring 63 is fixedly welded with the side wall of the sliding groove 23, and the other end of the spring 63 is fixedly welded with the connecting block 61; the steel cord is wrapped in advance in the ETFE film 2.
The two ends of the inhaul cable 4 which is connected to the ETFE film 2 in advance are respectively fixed on the cable head 62, the sliding block 5 is slid, after the sliding block 5 moves to a required position, the adjusting connecting bolt 10 is abutted with the bottom wall of the sliding groove 7, the sawtooth block 9 on the sliding block 5 is meshed with the sawtooth strip 8, and the sliding block 5 is fixed; the zigzag engagement mode reduces the possibility that the sliding block 5 slides back under the action of the tensile force of the ETFE film 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 achieve the effect that the spring 63 provides a certain tensioning force for the ETFE film 2, and after the sliding block 5 is fixed, the connecting block 61 still has a certain adjusting space, so that the possibility that the ETFE film 2 is damaged due to strong pulling after the sliding block 5 is fixed is reduced.
Referring to fig. 2 and 3, a mounting plate 24 is welded and fixed on one side of the support rod 3 near the edge of the rigid 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 which are connected to the mounting plate 24 in a sliding manner, each connecting plate 11 is connected in the connecting groove 25 in a sliding manner, each connecting plate 11 slides towards one side far away from or near the ETFE membrane 2, each connecting plate 11 is a T-shaped plate, each connecting groove 25 is a T-shaped groove matched with each connecting plate 11, a fastening bolt 12 for fixing each connecting plate 11 is threaded on each connecting plate 11, and each fastening bolt 12 penetrates through each connecting plate 11 and is abutted against the bottom wall of each connecting groove 25; the stretch-draw rope 13 is worn to be equipped with by the side of ETFE membrane 2, the edge upset of ETFE membrane 2 bonds on ETFE membrane 2 after wrapping up Zhang Lasheng in ETFE membrane 2, bolt fastening has first fixed plate 28 on connecting plate 11, welded fastening has installation strip 26 on the first fixed plate 28, the inside cavity of installation strip 26, the side of installation strip 26 has been offered and has been supplied ETFE membrane 2 to stretch out I's opening, the open-ended width is greater than the thickness of ETFE membrane 2, be less than stretch-draw rope 13's diameter, the both ends and the inner space intercommunication of installation strip 26, stretch-draw rope 13 wears to establish in installation strip 26. Zhang Lasheng 13 is fixed in the mounting bar 26, the connection plate 11 is moved, and the ETFE film 2 is stretched in the width direction to adjust the stretching force of the ETFE film 2 in the width direction so as to stretch and tighten the ETFE film 2.
Referring to fig. 2 and 3, a water guide plate 14 is welded and fixed at the bottom of the steel-wood truss 1, the water guide plate 14 is positioned at 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 adhered to the side edge of the ETFE membrane 2, one side of the extension membrane 16 is adhered to the edge of the ETFE membrane 2, the other side of the extension membrane 16 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 of the extension membrane 16 close to the water tank 15 in a penetrating manner, a mounting strip 26 is connected to the side wall of the water tank 15 through bolts, the tension rope 13 is arranged in the mounting strip 26 in a penetrating manner, and the bolts on the side wall of the water tank 15 do not penetrate through the side wall of the water tank 15; the support rod 3 is provided with a support member for supporting both ends of the ETFE membrane 2 upward, and the support rod 3 is provided with a tensioning member for tensioning the middle part of the ETFE membrane 2 downward.
The support piece supports the both ends perk with ETFE membrane 2, and the taut piece is taut with the middle part of ETFE membrane 2, and rainwater on the ETFE membrane 2 flows to both ends from the middle part of skylight, and when flowing to the tip, the ETFE membrane 2 of perk is with the rainwater guide to basin 15 in, discharges in the basin 15 again to the drainage of roof skylight, and the cornice form that both ends perk formed has improved the aesthetic property of skylight.
Referring to fig. 1 and 4, the support member includes a first connecting rod 17 welded between two support rods 3, the first connecting rod 17 is welded and fixed to both ends of the support rods 3, a plurality of vertical rods 18 are slidably connected to the first connecting rod 17, the sliding direction of the vertical rods 18 is along the length direction of the first connecting rod 17, a supporting head 19 for supporting the ETFE membrane 2 is welded and fixed to the top of the vertical rods 18, and the top of the supporting head 19 is arc-shaped, so that the possibility of puncturing the ETFE membrane 2 is reduced, and the plurality of vertical rods 18 are parallel to each other. The vertical rod 18 comprises a fixed part 181 and an extension part 182, the extension part 182 is slidably connected in the fixed part 181, the sliding direction of the extension part 182 is along the length direction of the fixed part 181, and the fixed part 181 is slidably connected on the first support rod 3; the extending portion 182 is provided with a plurality of adjusting holes 183, the height of the vertical rod 18 gradually decreases from the middle portion of the ETFE membrane 2 toward two sides, the fixing portion 181 is provided with a first fixing bolt 184 in a penetrating manner, and the first fixing bolt 184 passes through the adjusting holes 183 to fix the extending portion 182. The height of the adjusting vertical rod 18 is gradually reduced from the two free sides of the middle part so as to adapt to the radian of the skylight, and the formed dome shape is beneficial to guiding rainwater into the water tank 15 for discharging, so that the accumulation of the rainwater is reduced.
Referring to fig. 1 and 4, the tightening piece comprises a second connecting rod 20 welded between two supporting rods 3, two ends of each supporting rod 3 are welded and fixed with the second connecting rod 20, two second connecting rods 20 are positioned between two first connecting rods 17 and are arranged close to the adjacent first connecting rods 17, a plurality of tightening rods 21 are connected to the second connecting rods 20 in a sliding mode, fixing caps 22 for fixing the ETFE membrane 2 are connected and fixed to the tops of the tightening rods 21 in a threaded mode along the length direction of the second connecting rods 20, the tops of the fixing caps 22 are arc-shaped, the tightening rods 21 are parallel to each other, limiting rings 27 are welded and fixed to the upper portions of the tightening rods 21, the tightening rods 21 penetrate through the ETFE membrane 2, the ETFE membrane 2 is clamped between the limiting rings 27 and the fixing caps 22, the fixing caps 22 are fastened, and the ETFE membrane 2 is fastened on the limiting rings 27, so that water leakage is reduced; the tension rod 21 is a telescopic rod, and the ETFE membrane 2 is fixed by adjusting the length of the telescopic rod.
The implementation principle of the tensioning device of the ETFE color film and large-span steel-wood combined truss arch structure is as follows: fixing the support rods 3 on the steel-wood truss 1, connecting the inhaul cables 4 on one surface of the ETFE film 2 in advance, paving the ETFE film 2 on the two support rods 3, connecting the inhaul cables 4 with the sliding blocks 5 through the connecting parts 6, sliding the sliding blocks 5, driving the ETFE film 2 to move through the inhaul cables 4 by the sliding blocks 5, unfolding the ETFE film 2 without directly pulling the ETFE film 2 so as to reduce the damage of the ETFE film 2, and fixing the sliding blocks 5 at any required positions so as to adjust the tensioning degree of the ETFE film 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 foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (5)

1. The utility model provides a overspeed device tensioner of ETFE color film and long-span steel wood combination truss arch structure, includes steel wood truss (1) and ETFE membrane (2), its characterized in that: the steel-wood truss (1) is provided with two supporting rods (3) which are matched with the steel-wood truss (1), a plurality of groups of first connecting pieces used for connecting the ETFE films (2) are connected between the two supporting rods (3), the first connecting pieces slide along the supporting rods (3), each first connecting piece comprises a guy cable (4), two sliding blocks (5) and a connecting part (6) used for connecting the guy cable (4) on the sliding blocks (5), the two sliding blocks (5) are respectively and slidably connected onto the two supporting rods (3), fixing pieces used for fixing the sliding blocks (5) are arranged on the supporting rods (3), the ETFE films (2) are paved on the two supporting rods (3), and second connecting pieces used for fixing the sides of the ETFE films (2) are arranged on the supporting rods (3);
the support rod (3) is provided with a sliding groove (7), 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 piece comprises a sawtooth strip (8) arranged in the sliding groove (7), the sliding block (5) is provided with a sawtooth block (9) meshed with the sawtooth strip (8), the sliding block (5) is connected with a connecting bolt (10) in a threaded manner, and the connecting bolt (10) penetrates through the sliding block (5) to be connected with the bottom wall of the sliding groove (7) in a threaded manner.
The connecting part (6) comprises a connecting block (61) which is arranged on the sliding block (5) 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 a cable (4) is arranged on the connecting block (61), a spring (63) 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 (63) is connected with the connecting block (61);
the second connecting piece comprises a connecting plate (11) arranged on the supporting rod (3) in a sliding mode, the connecting plate (11) slides towards one side far away from or close to the ETFE film (2), a fastening bolt (12) used for fixing the connecting plate (11) is arranged on the connecting plate (11), the fastening bolt (12) penetrates through the connecting plate (11), a tension rope (13) is arranged on the side edge of the ETFE film (2), a first fixing plate (28) is arranged on the connecting plate (11), and the tension rope (13) is fixed on the first fixing plate (28).
2. The tensioning device for the ETFE color film and large-span steel-wood composite truss arch structure according to claim 1, wherein: be provided with guide plate (14) on steel wood truss (1), guide plate (14) are located the both sides of ETFE membrane (2), guide plate (14) are parallel with bracing piece (3), basin (15) have been seted up on guide plate (14), guide plate (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) and 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 the taut piece that is used for downwards tensioning the middle part of ETFE membrane (2) on bracing piece (3).
3. The tensioning device for the ETFE color film and large-span steel-wood composite truss arch structure according to claim 2, wherein: the support piece comprises a first connecting rod (17) arranged between two support rods (3), a plurality of vertical rods (18) are slidably arranged on the first connecting rod (17), the sliding direction of the vertical rods (18) is along the length direction of the first connecting rod (17), and the top of each vertical rod (18) is provided with a support head (19) for supporting the ETFE film (2), and the vertical rods (18) are mutually parallel.
4. A tensioning device for an ETFE color film and large span steel wood composite truss arch structure as defined in claim 3, wherein: the vertical rod (18) comprises a fixing part (181) and an extending part (182), the extending part (182) is slidably connected to the fixing part (181), the fixing part (181) is arranged on the first connecting rod (17), a plurality of adjusting holes (183) are formed in the extending part (182), the height of the vertical rod (18) gradually decreases from the middle part of the ETFE film (2) towards two sides, a first fixing bolt (184) is arranged on the fixing part (181) in a penetrating mode, and the first fixing bolt (184) penetrates through the adjusting holes (183).
5. The tensioning device for the ETFE color film and large-span steel-wood composite truss arch structure according to claim 2, wherein: the tensioning piece comprises a second connecting rod (20) arranged between 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 each tensioning rod (21) is along the length direction of the corresponding 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)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210635033.8A CN114892897B (en) 2022-06-07 2022-06-07 Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210635033.8A CN114892897B (en) 2022-06-07 2022-06-07 Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure

Publications (2)

Publication Number Publication Date
CN114892897A CN114892897A (en) 2022-08-12
CN114892897B true CN114892897B (en) 2024-02-23

Family

ID=82727597

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210635033.8A Active CN114892897B (en) 2022-06-07 2022-06-07 Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure

Country Status (1)

Country Link
CN (1) CN114892897B (en)

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

Also Published As

Publication number Publication date
CN114892897A (en) 2022-08-12

Similar Documents

Publication Publication Date Title
US8113259B2 (en) Side shade for an awning
AU2012289718C1 (en) Retractable roof
US20090151269A1 (en) Roof Support Structure for a Greenhouse
US20160230391A1 (en) Keder Rail Attachment for a Fabric/Panel Building
EP2798132A1 (en) Clamping element and roofing with this clamping element
ITPD20090119A1 (en) PITCHES TENT
CN114892897B (en) Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure
EP3402321A1 (en) System for the movement of covering sheets
CN216075546U (en) ETFE membrane side seal membrane frame connection structure
KR101262205B1 (en) The apparatus and tent structures tension method of tent structures easily replaceable by section
CN113136806B (en) Construction method of steel box bracket bent cap
EP2565342B1 (en) Pitch awning
US6832751B2 (en) Carpet pattern adjusting device and method of use
CN111555183B (en) Strip-shaped sundry removing device on power transmission line
CN213449578U (en) Profiled sheet roofing anti-falling device
US20110120029A1 (en) Flexible material greenhouse or building "umbrella vent" system
CN214660237U (en) Just prop up steel bow member installation rack
KR200380750Y1 (en) Tent frame with tension adjusting device
JP2620681B2 (en) Temporary roof
CN108094007A (en) Grape rain shade
CN208815422U (en) A kind of cast-in-place floorings many places steel strand wires penetrating device simultaneously
CN2517826Y (en) Tensioner for tent tarpaulin
KR200493923Y1 (en) Tension maintaining apparatus for tent
CN217997837U (en) Catwalk steel cable head wheel disc anchoring structure
CN211007705U (en) Discharging platform

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant