CN205777124U - It is suitable for the double-deck roof board system expanded with heat and contract with cold - Google Patents

Abstract

This utility model provides a kind of double-deck roof board system being suitable for and expanding with heat and contract with cold, including main purlin, secondary purlin, roof boarding and base plate, described roof boarding is installed on described purlin, described base plate is installed on described main purlin, described time purlin is positioned on described main purlin and fixing connection between the two, connected fixing between described roof boarding by locking device, there is below described locking device the bracing frame supporting fixing described locking device, support frame as described above is installed on described purlin of correspondence, described locking device is slidably connected with support frame as described above so that described roof boarding can slide by relative support frame as described above；Between adjacent two described base plates, there is gap.This utility model is suitable for the roof board system expanded with heat and contract with cold, the problem that will not produce temperature deformation and temperature stress running into and expand with heat and contract with cold when, thus avoid cause because temperature stress is excessive roof boarding arch camber, leak, the problem such as shortening in service life.

Description

It is suitable for the double-deck roof board system expanded with heat and contract with cold

Technical field

This utility model relates to double-deck roof board system, particularly relates to a kind of double-deck roof boarding system being suitable for and expanding with heat and contract with cold System.

Background technology

Die mould metal Roof system because of the features such as its lightweight, high-strength, attractive in appearance, easy construction on airport, stadiums, exhibitions The heavy constructions such as center, industrial premises, storage, railroad platform awning, railway station building roofing are used in a large number.But because wind resistance takes off energy Power is inadequate, and metal Roof is taken off the phenomenon frequency fallen by wind has generation, the phenomenon of metal Roof infiltration also frequency to have generation.

Metal current Roof system mainly has single-layer roof plate and double-deck two kinds of forms of roof boarding, single-layer roof plate or bilayer The fixed form of the top plate of roof board system mainly has the forms such as bridging type, biting connecions, standing-seam.

For lap jointing type roof boarding, plate is its weak part place with the lap-joint of plate, and this joint form is by self tapping Plate lap-joint is fixed by screw with roofing Os Draconis or support, seals by rubber washer and weather proofing sealant between screw and plate Waterproof.All easily cause seepage at two-ply lap-joint and tapping screw hole for nailing, leak and can cause tapping screw and tapping screw The corrosion of hole location steel, the fastening effect of tapping screw can be had a greatly reduced quality and even be lost its interconnection function.

Biting connecions and standing-seam formula connect without penetrating roof boarding with screw, have stopped roof leakage and the phenomenon that seeps water Occur, but owing to support and tapping screw Hide All are under roof boarding, construction quality often cannot ensure, causes roof boarding Regional area disappearance support or support bracket fastened self threading pin lazy weight, the scarce capacity that is engaged of roof boarding and support, wind resistance is taken off Ability is relatively low, and high wind area should not use.

The most existing metal Roof system is difficult to solve very well the problem of temperature deformation and temperature stress, because of temperature stress Excessive cause roof boarding arch camber, leak, the problem such as shortening in service life also happens occasionally.

Utility model content

The purpose of this utility model is to provide a kind of double-deck roof board system being suitable for and expanding with heat and contract with cold, it is intended to be used for solving Certainly existing roof board system cause because temperature stress is excessive roof boarding arch camber, leak, the problem such as shortening in service life.

This utility model is achieved in that

This utility model provides a kind of double-deck roof board system being suitable for expanding with heat and contract with cold, including main purlin, secondary purlin, room Panel and base plate, described roof boarding is installed on described purlin, and described base plate is installed on described main purlin, described purlin Bar is positioned on described main purlin and fixing connection between the two, it is characterised in that: between described roof boarding by locking device even Connecing fixing, have the bracing frame supporting fixing described locking device below described locking device, support frame as described above is installed on correspondence Described purlin on, described locking device is slidably connected with support frame as described above so that described roof boarding can relative support frame as described above Slide, between adjacent two described base plates, there is gap.

Further, described locking device includes the gland that bearing Os Draconis and lid are encapsulated on described bearing Os Draconis, described Bearing Os Draconis cooperate with described gland and clamp corresponding roof boarding.

Further, be connected by hold-down bolt between described bearing Os Draconis and described gland fixing.

Further, described bearing Os Draconis top has link slot, and the head of each described hold-down bolt is arranged in described company Access slot is interior and can slide in described link slot.

Further, described gland be provided above waterproof block, described hold-down bolt cover cap is in described waterproof block In.

Further, the upper surface in described gland has been arranged side by side two clamp bar slots, and each described hold-down bolt is positioned at two Between described draw-in groove, described waterproof block has two row's buckles, and each described buckle is arranged in wherein in draw-in groove described in respectively.

Further, the inner surface of described gland having the strip plate arranged straight down, described strip plate erects The straight roof boarding compressing downwards correspondence.

Further, the edge of described gland has the rib extended the most obliquely, and described bearing Os Draconis are positioned at In the vertical projection of described gland.

Further, if being folded with between described bearing Os Draconis and described gland for clamping described roof boarding end Dry spring fastener.

Further, between described spring fastener and described gland, it is folded with rubber strip.

Further, support frame as described above upper end offers at least one latch, is provided with and described card bottom described bearing Os Draconis The card base that tooth is corresponding, described card base is snapped in described latch and can slide in described latch.

Further, described latch is the most trapezoidal and the most tapered with described card base cross section vertically.

Further, described locking device is elongated setting along the length direction of described roof boarding, and support frame as described above has Multiple, and it is spaced setting successively along the length direction of described locking device.

Further, support frame as described above is fixed on corresponding described purlin by a bridgeware.

Further, described bridgeware is provided with through hole, and support frame as described above is fixed on described turning by connecting bolt Changing part, the head of described connecting bolt is snapped in described through hole and can slide in described through hole.

Further, described main purlin is positioned at the lower section of described base plate, described purlin is fixedly connected with installed part, institute State installed part to weld through the perforate being opened on described base plate with described main purlin.

Further, described main purlin is positioned at the top of described base plate, welds between described main purlin with described purlin, Described base plate is locked on the lower surface of described main purlin by screw.

Further, the length of described main purlin extends perpendicularly to the length bearing of trend of described purlin.

This utility model has the advantages that

This utility model is suitable for the double-deck roof board system expanded with heat and contract with cold, can be relative sliding between roof boarding with bracing frame Dynamic, the problem that temperature deformation and temperature stress will not be produced running into and expand with heat and contract with cold when, thus avoid because of temperature stress Excessive cause roof boarding arch camber, leak, the problem such as shortening in service life.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.

Fig. 1 is the schematic diagram of this utility model embodiment roof boarding；

Fig. 2 is the profile in this utility model embodiment roof board system the most secondary purlin direction；

Fig. 3 is the profile in parallel purlin direction of this utility model embodiment roof board system；

Fig. 4 is the exploded view in this utility model embodiment roof board system the most secondary purlin direction；

Fig. 5 is the profile in parallel purlin direction of this utility model embodiment bilayer roof board system.

Digital code implication in accompanying drawing is as follows:

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The all other embodiments obtained, broadly fall into the scope of this utility model protection.

Such as Fig. 5, this utility model embodiment provides a kind of double-deck roof board system being suitable for expanding with heat and contract with cold, including main purlin Bar 20, secondary purlin 10, roof boarding 1 and base plate 30, Each part is multiple in actual applications, between each roof boarding 1 Then being sequentially connected with and be respectively mounted on the secondary purlin 10 being fixed on correspondence, base plate 30 is fixedly installed on main purlin 20, and each time Also fixing between purlin 10 and corresponding main purlin 20 connect, main purlin 20 then with the main box beam Welding of peripheral hardware, when arranging, The span of purlin 10 is between 1500-1700mm each time, the most secondary purlin 10 a length of should within the scope of, each purlin 10 it Between successively parallel interval arrange, and adjacent secondary purlin 10 is spaced 750-950mm, and the length of the most main purlin 20 is about 3750mm, its most successively parallel interval arrange, adjacent between distance be 1500-1700mm, for main purlin 20 and time purlin Being galvanizing rectangular steel pipe both 10, roof boarding 1 and base plate 30 are then thick polyester roller coat aluminum-zinc alloy coloured silk steel, roof boarding 1 Thickness is about 0.8mm, and the thickness of base plate 30 is about 0.6mm, and the interval of the length of each roof boarding 1 and adjacent purlin 10 is right Should, for 750-950mm, the length of each base plate 30 is corresponding with the interval of adjacent two main purlins 20, about 1500- 1700mm。

Such as Fig. 1 and Fig. 2, described roof boarding 1 connects fixing by locking device, refinement roof boarding 1 and the company of locking device Access node structure, described roof boarding 1 includes horizontally disposed body 11 and lays respectively at two at two opposed ends of body 11 Individual connecting portion 12, is specially and is respectively provided with connecting portion 12 in every an end portion, and every a junction 12 is by wherein one end of body 11 Portion's bending extends and is formed, and is structure as a whole, is sequentially connected with between the most each roof boarding 1 between two connecting portions 12 and body 11 Time, adjacent two roof boardings 1 are attached fixing by two the most adjacent connecting portions 12, and every a junction 12 Place is provided with the locking device for connecting another parts, and i.e. often a junction 12 is all to there being locking device, adjacent two Only need to have a locking device between individual roof boarding 1, now a locking device is to there being two connecting portions 12, and both are by being somebody's turn to do Locking device is formed to connect and fixes, and two roof boardings 1 being positioned at outside are respectively provided with a connecting portion 12 and other installation portion Part connects, and now a locking device is only to there being a connecting portion 12, by locking device so that be positioned at the room in outside Panel 1 is formed to be connected with other installing component and fixes, and when connecting portion 12 connects with corresponding locking device, connecting portion 12 End sections away from body 11 stretches in this locking device, and locking device is vertically fixed the part that connecting portion 12 stretches into, Locking device self is also each attached on the secondary purlin 10 of correspondence simultaneously, and then makes roof boarding 1 be mounted on time purlin 10 On.In this utility model, each roof boarding 1 is connected with corresponding locking device by the connecting portion 12 of end, not only makes The roof boarding 1 respectively set gradually is connected as an entirety, and corresponding roof boarding 1 is mounted on the secondary purlin 10 of correspondence simultaneously On, and owing to two ends of each roof boarding 1 all use locking device to be fixed, when wind-engaging impacts, stability is very Height, additionally the end sections of the connecting portion 12 of roof boarding 1 stretches in locking device, is vertically fixed roofing by locking device Plate 1, to this along being perpendicular to the orientation of each roof boarding 1, each roof boarding 1 is respectively provided with part-structure, and to stretch into locking device intrinsic pressure Tightly, roof boarding 1 be all difficult to when by Wind impact on vertical direction by its by locking device in deviate from, wind resistance is taken off can force rate Stronger.

Such as Fig. 4, described locking device includes that bearing Os Draconis 2 and lid are encapsulated in the gland 3 on described bearing Os Draconis 2, described Bearing Os Draconis 2 cooperate with described gland 3 and clamp corresponding roof boarding 1.Described bearing Os Draconis 2 and described gland 3 each along The elongated setting of length direction of roof boarding 1, each connecting portion 12 part stretches between bearing Os Draconis 2 and the gland 3 of correspondence, bearing dragon It is connected by spaced some hold-down bolts 4 fixing between bone 2 with gland 3, thus clamps the connecting portion 12 of correspondence.Bearing The top of Os Draconis 2 has two support platforms 21 arranged along its length, and each support platform 21 supports a junction of correspondence 12, on the inner surface of gland 3, corresponding described support platform 21 has two strip plates 31 arranged straight down, two strip plates 31 all extend along the length direction of gland 3, when using hold-down bolt 4 to lock gland 3 with bearing Os Draconis 2, support platform 21 and bar Shape pressing plate 31 vertically clamps the connecting portion 12 of correspondence.All it is arranged in pairs, the most often with strip plate 31 owing to supporting platform 21 Corresponding two adjacent roof boardings 1 can be clamped, it is achieved between adjacent two roof boardings 1 between one group of bearing Os Draconis 2 and gland 3 Connection with fixing.Said two supports the link slot 22 between platform 21 with an elongated setting, and the head of each hold-down bolt 4 is equal In being arranged in link slot 22 and can slide in described link slot 22, its threaded shank is then stretched out by this link slot 22 and is upward through Gland 3, its nut is then locked with described screw rod above described gland 3.In the present embodiment, each hold-down bolt 4 is along link slot 22 Length direction be spaced setting successively, specially can be spaced about 300mm and a piece hold-down bolt 4 is set, by nut and screw rod Locking gland 3 is locked with bearing Os Draconis 2, and then both vertically clamp the connecting portion 12 of roof boarding 1, and due to gland 3 Being connected for bolt with between bearing Os Draconis 2, attachment security is reliable.The bearing of trend of link slot 22 and the extension side of bearing Os Draconis 2 To identical, and the head of each hold-down bolt 4 can slide in link slot 22, this hold-down bolt 4 be only limit roof boarding 1 vertical Direction and the degree of freedom of plate width direction, and do not limit the degree of freedom of roof boarding 1 plate length direction, so that roofing Plate 1 system is adapted to performance of expanding with heat and contract with cold, and roof boarding 1, when carrying out variations in temperature, does not produce temperature stress, can protect further The reliability of card roof boarding 1 properties.

Such as Fig. 2 and Fig. 4, when using gland 3 compressing support Os Draconis 2, the projection of gland 3 in the vertical direction is more than bearing The vertical projection of Os Draconis 2, i.e. gland 3 cap mount Os Draconis 2, and the edge of gland 3 also has and extends the most obliquely Rib 32, it can to a certain degree be prevented effectively from extraneous rainwater infiltration room, compression position between bearing Os Draconis 2 and gland 3 The downside of panel 1.And on the other hand, the upper surface at gland 3 is provided with waterproof block 5, when hold-down bolt 4 connects with gland 3 When connecing, each hold-down bolt 4 is stretched out by the connecting hole offered on gland 3, and each hold-down bolt 4 then can be stretched out by waterproof block 5 The equal cover cap in top of gland 3 in it, such that it is able to the part avoiding hold-down bolt 4 to stretch out exposes, and then is not only possible to prevent it By raindrop erosion, it is possible to prevent rainwater to be penetrated in bearing Os Draconis 2 by the connecting hole on gland 3 simultaneously, i.e. uses waterproof block 5 The water resistance of roof boarding 1 system can be greatly improved, ensure the service life of locking device simultaneously.For gland 3 with waterproof Connecting for dismounting between block 5, waterproof block 5 can be specially the upper surface at gland 3 be provided with protrusion by opening on gland 3 Two clamp bar slots 33 on its surface, two draw-in grooves 33 are arranged side by side, and opening 932 is the most horizontally toward and direction mutually deviates from, and respectively compresses spiral shell Bolt 4 extension is respectively positioned between two clamp bar slots 33, and the most waterproof block 5 has two row's buckles 51, and each buckle 51 is respectively It is arranged in corresponding draw-in groove 33.In the above-described embodiments, for clamping between waterproof block 5 and gland 3, not only dismount all Very convenient, and preferable sealing property can be formed, extraneous rainwater is difficult to be penetrated into waterproof by clamping position between the two In block 5.

Such as Fig. 2 and Fig. 4, further, between bearing Os Draconis 2 and gland 3, also it is folded with some spring fasteners 6, each bullet Spring fastener 6 is spaced setting successively along the length direction of bearing Os Draconis 2 respectively, and its installation position is similar with hold-down bolt 4, interval About 300mm, is provided with perforate on each spring fastener 6, and hold-down bolt 4 can be worn by the perforate of corresponding spring fastener 6 Cross.In the present embodiment, spring fastener 6 is the symmetrical bending structure with hold-down bolt 4 as axis, the bending mode of its every half with The end of connecting portion 12 is similar, and it is between gland 3 and connecting portion 12, after gland 3 is locked with bearing Os Draconis 2, and its portion Separation structure fits on connecting portion 12, can improve roof boarding 1 connecting portion 12 further by spring fastener 6 and at gland 3 and prop up Compression effect between seat Os Draconis 2, the wind uplift resistance of roof boarding 1 system is more preferable.Further, at spring fastener 6 and gland 3 Between be also folded with rubber strip 7, due between each spring fastener 6 and gland 3 to there being two compacted position, to this rubber strip 7 is two, and each root rubber bar 7 is all arranged along the length direction of bearing Os Draconis 2, and general spring fastener 6 is also metal material system Becoming, the metal material character between its from gland 3 is different, is separated by rubber strip 7, can avoid gland 3 and spring fastener 6 it Between produce electrochemical corrosion, simultaneously can also play good waterproof effect.

Such as Fig. 2 and Fig. 4, also having multiple bracing frame 8 structure below described locking device, its upper end supports hold-down support dragon Bone 2, lower end is fixed on corresponding purlin 10, and each bracing frame 8 is spaced setting successively along the length direction of bearing Os Draconis 2.Continue The structure of refinement bracing frame 8, it includes horizontally disposed seat board 83, the gripper shoe 82 that is vertically arranged and be positioned at gripper shoe 82 The union joint 81 of upper end, gripper shoe 82 is erected on seat board 83, by gripper shoe 82 connecting base plate 83 and union joint 81, and connects 81 is that union joint 81, gripper shoe 82 and seat board 83 three are formed in one for supporting hold-down support Os Draconis 2, connects The mode using clamping between 81 and bearing Os Draconis 2 carries out installing fixing, will the bottom card of bearing Os Draconis 2 be tightly fixed on even On joint 81, the platform that specially union joint 81 protrudes for level, platform offers at least one latch 811 caved in, card Tooth 811 runs through whole platform along the length direction of bearing Os Draconis 2, and the bottom at bearing Os Draconis 2 is provided with at least one accordingly Card base 23, card base 23 and latch 811 one_to_one corresponding, when bearing Os Draconis 2 are installed with bracing frame 8, each card base 23 edge Corresponding latch 811 end is stretched in this latch 811, in card base 23 is sticked in latch 811 and can slide in latch 811.Right In the shape of latch 811 with card base 23, its cross section vertically is the most trapezoidal, and bottom right is supreme tapered, to this by card base 23 when being sticked in corresponding latch 811, and card base 23 will not be easily by abjection in corresponding latch 811, and stability is higher, simultaneously Owing to latch 811 only limit the degree of freedom of bearing Os Draconis 2 vertically and vertically its length direction, and do not limit it The degree of freedom of length direction, to this in the case of expanding with heat and contract with cold occurs in roof boarding 1, bearing Os Draconis 2 can also produce along it long The slip in degree direction, it is difficult to produce temperature stress, it is possible to be further ensured that the reliability of roof boarding 1 properties.And union joint 81 levels protrude gripper shoe 82, form the corner structure arranged downward, roofing between this union joint 81 and gripper shoe 82 Plate 1 part is supported to this turning, and the most tangent with the bottom surface of gripper shoe 82 and union joint 81, simultaneously roof boarding 1 part around The one end winding of union joint 81 horizontal direction.

Such as Fig. 3 and Fig. 4, the connected mode between refinement bracing frame 8 and secondary purlin 10, bracing frame 8 is installed by bridgeware 9 On corresponding secondary purlin 10.For bridgeware 9, including connecting plate 91, connecting plate 91 has uncovered U-clamp straight down Groove 911, secondary purlin 10 partially passes through and is arranged in U-clamp groove 911, is carried out by horizontally disposed connector 92 between the two Install fixing.In the present embodiment, U-clamp groove 911 is inverted, after secondary purlin 10 passes U-clamp groove 911, and its outer surface and U-clamp groove The inwall laminating of 911, connecting plate 91 back-off, on secondary purlin 10, can be formed locking device and roofing by secondary purlin 10 The supporting role of plate 1, is attached fixing by connector 92 between U-clamp groove 911 and secondary purlin 10, connector 92 water simultaneously Flat setting, can bear the active force on vertical direction, and will not be come off by connecting plate 91 easily, can improve connecting plate 91 The stability being connected with between secondary purlin 10, and then also be able to ensure that the wind resistance of roof boarding 1 system takes off ability.For connector 92 Can have two kinds of embodiments, one of which connector 92 is some tapping screws, and in the both sides of U-clamp groove 911, equal level is attacked Entering screw, the respective side of screw level connection joint connecting plate 91 is all shot with time purlin 10, the typically every side at U-clamp groove 911 Two screws, and spaced setting, the installation between connecting plate 91 and secondary purlin 10 is more convenient；And in another way In, connector 92 is at least one root length bolt, all offers connecting hole on the secondary purlin 10 both sides with U-clamp groove 911, will even After fishplate bar 91 back-off is on secondary purlin 10, the connecting hole that each root length screw bolt passes is located along the same line, then use This stay bolt is fixed in nut check, and usually, stay bolt is also two in such an embodiment, and the mode that both are also adopted by interval is solid Determine connecting plate 91 and time purlin 10.

Such as Fig. 3 and Fig. 4, the structure of transformation part 9, the upper surface of connecting plate 91 is provided with least one set and connects seat 93, can connecting plate 91 be connected fixing with bracing frame 8 by connecting seat 93.Connect seat 93 one-body molded with connecting plate 91, support Frame 8 by be connected seat 93 and install and fix the connection realized with time purlin 10, bracing frame 8 and bridgeware 9 can be prevented effectively from Between attachment structure interfere the connected mode between connecting plate 91 and secondary purlin 10.For connecting seat 93, it offers water The flat through hole 931 arranged, described through hole 931 is arranged along the plate width direction of roof boarding 1, and this through hole 931 is connecting the upper table of seat 93 There is at face opening 932, in this through hole 931, be provided with at least one connecting bolt 934, the head card of each connecting bolt 934 Being located at the through hole 931 of correspondence, its threaded shank then can be stretched out by corresponding opening 932, and adopts with the bracing frame 8 being positioned above Fix with nut check.When mounted, connecting bolt 934 can be slided to peace along its length by the end of corresponding through hole 931 Holding position, more convenient, and in the present embodiment, the width dimensions connecting seat 93 upper shed 932 should be less than the width of through hole 931 Size, i.e. when being arranged in through hole 931 by the head of connecting bolt 934, connecting bolt 934 will not be skidded off by its opening 932, And connect and be fixed with bolts between seat 93 and locking device, structural stability is the highest, and uses this form, Connecting bolt 934 only limit the degree of freedom on bracing frame 8 vertical direction and width, when roof boarding 1 system flatulence of heat type is cold During contracting, connecting bolt 934 along the length direction of through hole 931 slidably, and then can drive roof boarding 1 and bracing frame 8 slidably stretch, and do not produce temperature stress, ensure that the reliability of roof boarding 1 properties.Additionally at each through hole The most all offering conduit 933 in the two opposite side walls of 931, two conduits 933 all arrange along the length direction of through hole 931 and are respectively positioned on In same plane, when in the through hole 931 that connecting bolt 934 is arranged in correspondence, pad sheathed in threaded shank just part Being arranged in two conduits 933, pad is difficult to be come off by corresponding connection seat 93, can strengthen connecting bolt 934 threaded Stability.In other embodiments between bracing frame 8 and bridgeware 9 be alternatively integrative-structure, the lower end of bracing frame 8 be connected The upper surface of plate 91 is formed in one, and both are an entirety, between without by connect seat 93 be attached fixing.

Such as Fig. 3 and Fig. 4, it is preferable that being provided with two groups on connecting plate 91 and connect seat 93, two groups connect seat 93 parallel interval and set Put, and generally lay respectively at two relative edges of connecting plate 91 upper surface, for the direction of through hole 931, then should be with secondary purlin Bar 10 to install direction identical, and be perpendicular to the length direction of locking device, in each through hole 931, be all arranged with two connections Bolt 934, two connecting bolts 934 are all spaced setting successively along the length direction of through hole 931, to this each bracing frame 8 with wherein Between one time corresponding purlin 10, there are four connecting portions 12, after each position all uses connecting bolt 934 fixing, Support 8 can stably be installed on the secondary purlin 10 of correspondence under the effect of bridgeware 9.Optimize connect seat 93 and bracing frame 8 it Between attachment structure, the upper surface of every a connecting seat 93 is the plane being positioned at corresponding opening 932 both sides, i.e. connects the upper of seat 93 Surface is horizontal plane, and when using connecting bolt 934 fixed conversion part 9 and bracing frame 8, the lower end of bracing frame 8 is connected with each The upper surface laminating of seat 93, has bigger contact area between the two, can strengthen stable connection between the two further Property.

Such as Fig. 5, further, refine time purlin 10, main purlin 20, roof boarding 1 and base plate in above-mentioned roof board system Annexation between 30, roof boarding 1 is mainly fixed on the secondary purlin 10 of correspondence by above-mentioned locking device；The described end The length of plate 30 is more conventional shortening, and the length of each described base plate 30 controls at 12m ~ 18m, and the most adjacent two described ends Be respectively provided with gap between plate 30 so that roof board system can better adapt to expand with heat and contract with cold, and base plate 30 and main purlin 20 it Between then can use two kinds of mounting means, one of which is, base plate 30 is installed on the top of main purlin 20, base plate 30 and corresponding master It is locked by some tapping screws between the upper surface of purlin 20, secondary purlin 10 is further fixed on installed part 40, this peace Piece installing 40 is the most u-shaped close with the structure of connecting plate 91, but its right-hand thread time purlin 10 lower part structure, the most also adopt Connect fixing with horizontally disposed tapping screw or bolt, base plate 30 offers perforate in just position to installed part 40, peace The bottom of piece installing 40 contacts with main purlin 20 after this perforate, welds at both contact positions；And at another kind In mode, base plate 30 is installed on the lower section of main purlin 20, uses some self tapping spiral shells between the lower surface of base plate 30 and main purlin 20 Nail is locked, and the most main purlin 20 and time purlin 10 are respectively positioned on base plate 30 and enclose in the confined space set with roof boarding 1, main purlin 20 do not expose, and now can be contacted with time purlin 10 by main purlin 20, directly weld at both contacts site.Right The mode being crisscross arranged can be used to be attached between main purlin 20 and secondary purlin 10, the length extension side of the most main purlin 20 To being perpendicular to the length bearing of trend of time purlin 10, it can improve the intensity that roof board system is overall.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model Protection domain within.

Claims (18)

1. it is suitable for the double-deck roof board system expanded with heat and contract with cold, including main purlin, secondary purlin, roof boarding and base plate, institute Stating roof boarding to be installed on described purlin, described base plate is installed on described main purlin, and described time purlin is positioned at described main purlin On bar and fix between the two and connect, it is characterised in that: connected fixing between described roof boarding by locking device, described locking Having the bracing frame supporting fixing described locking device below device, support frame as described above is installed on described purlin of correspondence, Described locking device is slidably connected with support frame as described above so that described roof boarding can slide by relative support frame as described above；Adjacent two institutes State and there is between base plate gap.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 1, it is characterised in that: described locking device Being encapsulated in the gland on described bearing Os Draconis including bearing Os Draconis and lid, described bearing Os Draconis and described gland cooperate clamping Corresponding roof boarding.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 2, it is characterised in that: described bearing Os Draconis Fixing with being connected by hold-down bolt between described gland.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 3, it is characterised in that: described bearing Os Draconis Top has link slot, and the head of each described hold-down bolt is arranged in described link slot and can slide in described link slot.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 3, it is characterised in that: described gland upper Side is provided with waterproof block, and described hold-down bolt cover cap is in described waterproof block.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 5, it is characterised in that: in described gland Upper surface has been arranged side by side two clamp bar slots, and each described hold-down bolt is between two described draw-in grooves, and described waterproof block has Two row's buckles, each described buckle is arranged in wherein in draw-in groove described in respectively.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 2, it is characterised in that: described gland interior Having the strip plate arranged straight down on surface, described strip plate compresses the roof boarding of correspondence straight down.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 2, it is characterised in that: the limit of described gland Have the rib extended the most obliquely along place, described bearing Os Draconis are positioned at the vertical projection of described gland.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 2, it is characterised in that: in described bearing dragon The some spring fasteners for clamping described roof boarding end it are folded with between bone and described gland.

It is suitable for the double-deck roof board system expanded with heat and contract with cold the most as claimed in claim 9, it is characterised in that: in described spring It is folded with rubber strip between fastener and described gland.

11. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 2, it is characterised in that: support frame as described above Upper end offers at least one latch, is provided with the card base corresponding with described latch bottom described bearing Os Draconis, and described card base is snapped in Described latch is interior and can slide in described latch.

12. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 11, it is characterised in that: described latch with Described card base cross section vertically is the most trapezoidal, and the most tapered.

13. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 1, it is characterised in that: described locking dress Putting the length direction along described roof boarding is elongated setting, and support frame as described above has multiple, and along the length of described locking device Direction is spaced setting successively.

14. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 1, it is characterised in that: support frame as described above It is fixed on corresponding described purlin by a bridgeware.

15. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 14, it is characterised in that: described bridgeware Being provided with through hole, support frame as described above is fixed on described bridgeware by connecting bolt, the head buckle of described connecting bolt In described through hole and can slide in described through hole.

16. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 1, it is characterised in that: described main purlin Being positioned at the lower section of described base plate, described purlin is fixedly connected with installed part, described installed part is through being opened in described base plate On perforate fix with described main purlin.

17. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 1, it is characterised in that: described main purlin Being positioned at the top of described base plate, fixing between described main purlin and described purlin, described base plate is locked in described by screw On the lower surface of main purlin.

18. are suitable for the double-deck roof board system expanded with heat and contract with cold as claimed in claim 1, it is characterised in that: described main purlin Length extend perpendicularly to the length bearing of trend of described purlin.