CN102808481B - Steel structure cold-bridge-preventing roof system - Google Patents
Steel structure cold-bridge-preventing roof system Download PDFInfo
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- CN102808481B CN102808481B CN201210299865.3A CN201210299865A CN102808481B CN 102808481 B CN102808481 B CN 102808481B CN 201210299865 A CN201210299865 A CN 201210299865A CN 102808481 B CN102808481 B CN 102808481B
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- purlin
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- lower plywood
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Abstract
The invention discloses a steel structure cold-bridge-preventing roof system. The system comprises a lower layer plate and an upper layer plate which are paved on a purline, and heat preservation cotton arranged between the upper layer plate and the lower layer plate, wherein an anti-compression bracket with a vertical supporting wall is also arranged between the upper layer plate and the lower layer plate, and the position of the anti-compression bracket corresponds to the position of the purline; the extension direction of the anti-compression bracket is consistent with that of the purline; and the width of the anti-compression bracket perpendicular to the purline is smaller than that of the upper layer plate perpendicular to the purline. The heat preservation cotton in the whole steel structure cold-bridge-preventing roof system is changed with the shape of a roof plate through the anti-compression bracket, and is uncompressed, so that the hidden danger of a cold bridge caused by the compression of the heat preservation cotton is eliminated.
Description
Technical field
The present invention relates to a kind of Roof system, relate in particular to a kind of steel work cold-prevention bridge Roof system.
Background technology
Steel work is using economic steel profile member as bearing skeleton, using light-weight walling material as the building that space enclosing structure was formed, is mainly by support frame system, goes along with sb. to guard him shell system, Light Wall, decorative exterior wall, roof and door and window and form.Because the advantages such as structural steelwork construction speed is fast, industrialization degree is high, economic, applicable are used widely in building trade especially Lightweight metal plant, but from heat insulation effect, the reasons such as Lightweight metal plant insulation design of node defect and material autogenous shrinkage, destroy the integrality every vapour layer and insulation layer in space enclosing structure, hot gas by indoor to outdoor infiltration, run into cold air and form condensed water, these positions are called " cold bridge ".Therefore need, by the node at cold bridge position being carried out to structure design and structure processing, to cut off the medium conductor that produces " cold bridge ", make poor cannot the carrying out of indoor and outdoor temperature effectively transmit and reach heat insulation effect, thus the generation of elimination dewfall phenomenon.
In steel work containment system, existing clad steel plank house (wall) face is generally fixed seat by roofing top plate, heat-preservation cotton, roofing lower plywood and purlin forms, its erection sequence is first to lay roofing lower plywood, next is to lay heat-preservation cotton, again by holder bolt on purlin, last roofing top plate utilization lock seaming technology is connected with holder, realizes the fixed installation of clad steel plank house (wall) face.But in above-mentioned mounting means, must there is the compression of heat-preservation cotton in the junction of holder and purlin, cause herein heat insulating ability poor or almost without any heat-insulating property.Particularly in the time that steel building is applied in the northern area of China, due to winter temperature cold, the lowest temperature is many below-5 DEG C, so, indoor/outdoor temperature-difference is larger, and relative humidity is high, under this environment, very easily produce large-area condensation and dewfall in heat-preservation cotton compression place, when serious, fall short of success for lack of final effort in whole roof.
In theory, Indoor environment surface temperature will produce condensed water as long as the place lower than dew point, in insulation layer, the heat insulating material effective thickness at any position is lower than the thinnest numerical value, interior surface temperature will be lower than dew point, therefore wants to ensure that building has good heat-insulating property and will farthest reduce holder and the impact of purlin on heat-preservation cotton extruding.
For this reason, Chinese patent literature CN2903227Y discloses a kind of metal press plate roofing embedded solar cold-prevention bridge insulation construction, it comprises the glass wool being laid on purlin and presses the metal press plate of putting on glass wool, support between metal press plate and purlin and the insulation cushion block being fixedly connected with support are embedded in glass wool, the support and the support cushion block that are embedded in glass wool will support between metal press plate and purlin, the support of the prior art Rational Thickness and heat insulating block, make up to a certain extent the impact on heat-preservation cotton extruding of support and purlin, but because insulation cushion block is embedded in glass wool, still there is the phenomenon being extruded in the heat-preservation cotton between heat insulating block and lower plywood, if and insulation cushion block makes up support and the impact of purlin on heat-preservation cotton extruding completely, in work progress, be incubated cushion block and need to use extruded sheet, but it is fireproof not that extruded sheet reproduces product as oil, country forbids extruded sheet for civilian construction at present, and its heat insulation effect of insulation cushion block of other material is all not as good as the heat insulation effect of heat-preservation cotton, can not make up the impact on heat-preservation cotton extruding of support and purlin completely.Therefore the technology that, adopts the document to record still cannot be brought into play the maximum heat insulation effect of heat-preservation cotton.
Summary of the invention
The technical problem of solution of the present invention is the phenomenon that in prior art, heat-preservation cotton exists compression, therefore the invention provides the steel work cold-prevention bridge Roof system of a kind of heat-preservation cotton without compression, thereby Roof system heat-insulating property is reached unanimity, avoid the cold bridge dewfall phenomenon because of heat-preservation cotton generation in uneven thickness.
For addressing the above problem, the technical scheme that the present invention takes is:
A kind of steel work cold-prevention bridge Roof system, comprise lower plywood, the top plate being laid on purlin and be arranged on described top plate and described lower plywood between heat-preservation cotton, wherein, between described top plate and described lower plywood, be also provided with the incompressible support with vertical support wall, the position of described incompressible support is corresponding with the position of described purlin, and the bearing of trend of described incompressible support is consistent with the bearing of trend of described purlin, described incompressible support vertical is less than the width of described top plate perpendicular to purlin bearing of trend in the width of purlin bearing of trend; Wherein, described incompressible support comprises fixed part, vertical support wall and the connecting portion that one bending forms, described fixed part and described lower plywood fit, described heat-preservation cotton is between described fixed part and described top plate, described connecting portion and described top plate fit, and the shape of described connecting portion and the shape of described top plate are suitable, described heat-preservation cotton is between described connecting portion and described lower plywood, described vertical support wall is perpendicular to described top plate, described lower plywood and described purlin, and is embedded in described heat-preservation cotton.
Between described connecting portion and described top plate, be provided with installing space, described installing space is in order to place first holder suitable with described top plate.
Described the first holder is connected with described top plate, and described the first holder is fixedly connected with described incompressible support by the first fixture.
Described incompressible support vertical is not more than the base of described the first holder perpendicular to the width of purlin bearing of trend in the width of purlin bearing of trend.
Described fixed part is fixedly connected with described lower plywood, described purlin by the second fixture.
Between described lower plywood and described fixed part, be also provided with heat-insulating cushion block, described the second fixture is fixedly connected with described purlin through described fixed part, described heat-insulating cushion block and described lower plywood successively.
Between described lower plywood and described purlin, be also provided with the second holder, described the second holder is connected with described lower plywood, and described the second holder is fixedly connected with described purlin by the 3rd fixture.
Preferably, described steel work cold-prevention bridge Roof system effective width 730mm, crest height is 70mm, and the thickness of top plate and lower plywood is 0.5-0.8mm, and employing can be processed the former colour table of aluminum-zinc alloy or various steel plate with baking paint, and purlin spacing is generally 1-2m.Between the plate of described steel work cold-prevention bridge Roof system and plate, adopt the form of 360 ° of vertical pieces of crimping be connected and seal, whole roofing, without any the installing hole of securing member, has improved steel work cold-prevention bridge Roof system waterproof ability.
Compared with prior art, tool of the present invention has the following advantages:
(1) steel work cold-prevention bridge Roof system of the present invention, makes heat-preservation cotton in whole Roof system change with roofing template by incompressible support, and then reaches without compression, solves because heat-preservation cotton is compressed the cold bridge hidden danger of bringing.
(2) in steel work cold-prevention bridge Roof system of the present invention, between described connecting portion and described top plate, be provided with installing space, be convenient to mounting-fixing base.
(3) in steel work cold-prevention bridge Roof system of the present invention, the first supporting holder is fixed on top plate on steel work, and whole roofing, without any the installing hole of securing member, has improved steel work cold-prevention bridge Roof system waterproof ability.
(4) in steel work cold-prevention bridge Roof system of the present invention, incompressible support vertical in purlin bearing of trend width be not more than the base of holder perpendicular to the width of purlin bearing of trend, be conducive to stable being arranged on incompressible support of holder.
(5) in steel work cold-prevention bridge Roof system of the present invention, be also provided with heat-insulating cushion block, this heat-insulating cushion block has completely cut off the thermal conduction path between fixture and purlin, has avoided the thermal loss between fixture and purlin.
Brief description of the drawings
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the steel work cold-prevention bridge Roof system profile of first embodiment of the invention;
Fig. 2 is the profile of the incompressible support of first embodiment of the invention;
Fig. 3 is the steel work cold-prevention bridge Roof system profile of second embodiment of the invention.
Wherein, Reference numeral is:
1-top plate, 2-heat-preservation cotton, 3-lower plywood, the incompressible support of 4-, 41-fixed part, 42-vertical support wall, 43-connecting portion, 44-installing space, 51-the first holder, 52-the second holder, 61-the first fixture, 62-the second fixture, 63-the 3rd fixture, 7-heat-insulating cushion block, 8-purlin.
Detailed description of the invention
Embodiment mono-
Fig. 1 is the steel work cold-prevention bridge Roof system profile of the present embodiment, comprise the lower plywood 3 being laid on purlin 8, top plate 1 and be arranged on the heat-preservation cotton 2 between described top plate 1 and described lower plywood 3, between described top plate 1 and described lower plywood 3, be also provided with the incompressible support 4 with vertical support wall 42, the position of described incompressible support 4 is corresponding with the position of described purlin 8, and the bearing of trend of described incompressible support 4 is consistent with the bearing of trend of described purlin 8, wherein, described incompressible support 4 is less than the width of described top plate 1 perpendicular to purlin 8 bearing of trends perpendicular to the width of purlin 8 bearing of trends, wherein, as shown in Figure 2, described incompressible support 4 comprises the fixed part 41 that one bending forms, vertical support wall 42 and connecting portion 43.Wherein, described fixed part 41 fits with described lower plywood 3, described heat-preservation cotton 2 is between described fixed part 41 and described top plate 1, described connecting portion 43 fits with described top plate 1, and the shape of the shape of described connecting portion 43 and described top plate 1 is suitable, described heat-preservation cotton 2 is between described connecting portion 43 and described lower plywood 3, and described vertical support wall 42 is perpendicular to described top plate 1, described lower plywood 3 and described purlin 8, and is embedded in described heat-preservation cotton 2.
Between described connecting portion 43 and described top plate 1, be provided with installing space 44, described installing space 44 is in order to place first holder 51 suitable with described top plate 1.
Described the first holder 51 is connected with described top plate 1 twisting, and described the first holder 51 is fixedly connected with described incompressible support 4 by the first fixture 61, and described the first fixture is self threading pin in the present embodiment.And described incompressible support 4 equals the base of described the first holder 51 perpendicular to the width of purlin 8 bearing of trends perpendicular to the width of purlin 8 bearing of trends.
Described fixed part 41 is fixedly connected with described lower plywood 3, described purlin 8 by the second fixture 62, and in the present embodiment, described the second fixture 62 is bolt.
Between described lower plywood 3 and described fixed part 41, be also provided with heat-insulating cushion block 7, described the second fixture 62 is fixedly connected with described purlin 8 through described fixed part 41, described heat-insulating cushion block 7 and described lower plywood 3 successively.
For described steel work cold-prevention bridge Roof system is better fixed on steel work, between described lower plywood 3 and described purlin 8, be also provided with second holder 52 suitable with described lower plywood 3, described the second holder 52 is connected with described lower plywood 3, described the second holder 52 is fixedly connected with described purlin 8 by the 3rd fixture 63, and described the 3rd fixture 63 is screw in the present embodiment.
In the present embodiment, for the heat conduction between better isolated described the first holder 51 and described incompressible support 4, heat conduction between heat conduction and described the second holder 52 and described purlin 8 between described incompressible support 4 and described the second fixture 62, described the first fixture 61, described the second fixture 62 and described the 3rd fixture 63 are all equipped with the heat insulating mattress matching with it.
The effective width 730mm of the steel work cold-prevention bridge Roof system of the present embodiment, crest height is 70mm, also can not produce drainage even if run into the full ditch of heavy rain; The thickness of described top plate 1 and described lower plywood 3 is 0.5-0.8mm, and employing can be processed the former colour table of aluminum-zinc alloy, and can bend, and is used as arcuated roof, can meet the instructions for use of each department, and colored steel section intensity is stronger, and purlin spacing is at 1-2m, and purlin use amount is few.
In other embodiments; described top plate 1 and described lower plywood 3 can be the former colour table of aluminum-zinc alloy or various steel plate with baking paint; described incompressible support 5 can also be other materials such as aluminum-zinc alloy material, stainless steel, and described incompressible support (4) is not more than described the first holder (51) base perpendicular to the width of purlin (8) bearing of trend all belongs to protection scope of the present invention perpendicular to the width of purlin (8) bearing of trend.
Embodiment bis-
Fig. 3 is the steel work cold-prevention bridge Roof system profile of the present embodiment, comprise the lower plywood 3 being laid on purlin 8, top plate 1 and be arranged on the heat-preservation cotton 2 between described top plate 1 and described lower plywood 3, between described top plate 1 and described lower plywood 3, be also provided with the incompressible support 4 with vertical support wall 42, the position of described incompressible support 4 is corresponding with the position of described purlin 8, and the bearing of trend of described incompressible support 4 is consistent with the bearing of trend of described purlin 8, wherein, described incompressible support 4 is less than the width of described top plate 1 perpendicular to purlin 8 bearing of trends perpendicular to the width of purlin 8 bearing of trends, wherein, as shown in Figure 2, described incompressible support 4 comprises the fixed part 41 that one bending forms, vertical support wall 42 and connecting portion 43.Wherein, described fixed part 41 fits with described lower plywood 3, described heat-preservation cotton 2 is between described fixed part 41 and described top plate 1, described connecting portion 43 fits with described top plate 1, and the shape of the shape of described connecting portion 43 and described top plate 1 is suitable, described heat-preservation cotton 2 is between described connecting portion 43 and described lower plywood 3, and described vertical support wall 42 is perpendicular to described top plate 1, described lower plywood 3 and described purlin 8, and is embedded in described heat-preservation cotton 2.
Between described connecting portion 43 and described top plate 1, be provided with installing space 44, described installing space 44 is in order to place first holder suitable with described top plate 1.As shown in Figure 3, in the present embodiment, described the first holder matching with described top plate has two kinds of forms, wherein a kind of identical with the first holder 51 in embodiment mono-, the position that the first holder of another kind of form is connected with plate for forming the plate of described top plate 1, the holder that all the other positions are used is identical with the first holder 51 in embodiment mono-.
Two kinds of first multi-form holders are connected with described top plate 1, and described the first holder is fixedly connected with described incompressible support 4 by the first fixture 61, and described the first fixture is self threading pin in the present embodiment.And described incompressible support 4 is less than the base of described the first holder 51 perpendicular to the width of purlin 8 bearing of trends perpendicular to the width of purlin 8 bearing of trends.
Described fixed part 41 is fixedly connected with described lower plywood 3, described purlin 8 by the second fixture 62, and in the present embodiment, described the second fixture 62 is bolt.
Between described lower plywood 3 and described fixed part 41, be also provided with heat-insulating cushion block 7, described the second fixture 62 is fixedly connected with described purlin 8 through described fixed part 41, described heat-insulating cushion block 7 and described lower plywood 3 successively.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being extended out thus or variation are still among the protection domain in the invention.
Claims (7)
1. a steel work cold-prevention bridge Roof system, comprise lower plywood (3), the top plate (1) being laid on purlin (8) and be arranged on described top plate (1) and described lower plywood (3) between heat-preservation cotton (2), it is characterized in that:
Between described top plate (1) and described lower plywood (3), be also provided with the incompressible support (4) with vertical support wall (42),
The position of described incompressible support (4) is corresponding with the position of described purlin (8), and the bearing of trend of described incompressible support (4) is consistent with the bearing of trend of described purlin (8),
Described incompressible support (4) is less than the width of described top plate (1) perpendicular to purlin (8) bearing of trend perpendicular to the width of purlin (8) bearing of trend;
Described incompressible support (4) comprises the fixed part (41) that one bending forms, vertical support wall (42) and connecting portion (43), described fixed part (41) fits with described lower plywood (3), described heat-preservation cotton (2) is positioned between described fixed part (41) and described top plate (1), described connecting portion (43) fits with described top plate (1), and the shape of the shape of described connecting portion (43) and described top plate (1) is suitable, described heat-preservation cotton (2) is positioned between described connecting portion (43) and described lower plywood (3), described vertical support wall (42) is perpendicular to described top plate (1), described lower plywood (3) and described purlin (8), and be embedded in described heat-preservation cotton (2).
2. steel work cold-prevention bridge Roof system according to claim 1, is characterized in that:
Between described connecting portion (43) and described top plate (1), be provided with installing space (44), described installing space (44) is in order to place first holder (51) suitable with described top plate (1).
3. steel work cold-prevention bridge Roof system according to claim 2, is characterized in that:
Described the first holder (51) is connected with described top plate (1),
Described the first holder (51) is fixedly connected with described incompressible support (4) by the first fixture (61).
4. steel work cold-prevention bridge Roof system according to claim 3, is characterized in that:
Described incompressible support (4) is not more than the base of described the first holder (51) perpendicular to the width of purlin (8) bearing of trend perpendicular to the width of purlin (8) bearing of trend.
5. according to the arbitrary described steel work cold-prevention bridge Roof system of claim 1-4, it is characterized in that:
Described fixed part (41) is fixedly connected with described lower plywood (3), described purlin (8) by the second fixture (62).
6. steel work cold-prevention bridge Roof system according to claim 5, is characterized in that:
Between described lower plywood (3) and described fixed part (41), be also provided with heat-insulating cushion block (7),
Described the second fixture (62) is fixedly connected with described purlin (8) through described fixed part (41), described heat-insulating cushion block (7) and described lower plywood (3) successively.
7. steel work cold-prevention bridge Roof system according to claim 6, is characterized in that:
Between described lower plywood (3) and described purlin (8), be also provided with the second holder (52),
Described the second holder (52) is connected with described lower plywood (3),
Described the second holder (52) is fixedly connected with described purlin (8) by the 3rd fixture (63).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210299865.3A CN102808481B (en) | 2012-08-21 | 2012-08-21 | Steel structure cold-bridge-preventing roof system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210299865.3A CN102808481B (en) | 2012-08-21 | 2012-08-21 | Steel structure cold-bridge-preventing roof system |
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| CN102808481A CN102808481A (en) | 2012-12-05 |
| CN102808481B true CN102808481B (en) | 2014-10-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196183A (en) * | 2014-09-19 | 2014-12-10 | 付国伟 | Waterproof heat insulation structure for steel-structure roof |
| CN104372863A (en) * | 2014-10-30 | 2015-02-25 | 辽宁省石油化工规划设计院有限公司 | Combination body for completely blocking building structural steel cold bridge |
| CN108868017A (en) * | 2017-05-16 | 2018-11-23 | 刘令 | A kind of production method of glass fiber volume cotton heat insulation house surface |
| CN110485614A (en) * | 2019-08-29 | 2019-11-22 | 五冶集团上海有限公司 | A kind of metal Roof containment system and its construction method |
| CN114961069B (en) * | 2022-07-14 | 2023-10-27 | 中建三局第一建设工程有限责任公司 | Small green tile roof structure of steel structure frame system and construction method thereof |
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Inventor after: Liu Aisen Inventor after: Jiang Haifeng Inventor after: Wang Qiansuo Inventor after: Li Wengang Inventor after: Ye Yuan Inventor after: Miao Zexian Inventor before: Liu Aisen Inventor before: Jiang Haifeng Inventor before: Ye Yuan |
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