CN205153242U - One -way purlin system, two -way purlin system and roofing - Google Patents
One -way purlin system, two -way purlin system and roofing Download PDFInfo
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- CN205153242U CN205153242U CN201520973070.5U CN201520973070U CN205153242U CN 205153242 U CN205153242 U CN 205153242U CN 201520973070 U CN201520973070 U CN 201520973070U CN 205153242 U CN205153242 U CN 205153242U
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- purlin
- strut
- flexible piece
- purlin system
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Abstract
The utility model provides an one -way purlin system, two -way purlin system and roofing. Wherein, one -way purlin system includes: the purlin is established to a plurality of, in proper order interval and parallel arrangement, the first flexible piece that is drawn is established to a plurality of, its both ends with the both ends of purlin correspond to be connected, the vaulting pole is established to a plurality of, and follows the length direction interval of purlin sets up, its top connect in on the purlin, its bottom connect in the first flexible piece that is drawn. In the above -mentioned purlin structure, the partial stress of purlin structure under the atress condition can be offset to the first flexible piece that is drawn to reducing the amount of deflection of purlin structure under the atress circumstances, having improved the stability of purlin structure when the atress, it wins to make is in addition drawn the flexible piece can share the load of purlin structure, improves the bearing capacity of purlin structure, increases the span of purlin structure under the cross sectional area's that does not increase the purlin structure prerequisite.
Description
Technical field
The utility model relates to purlin technical field, is specifically related to a kind of unidirectional purlin system, two-way purlin system and roofing.
Background technology
Purlin is the horizontal part along roof length distribution.Purlin is as supporting member secondary in structural system of roof, and roof load is delivered on main structure beam by it.Specifically, in structural system of roof, the two ends of purlin are placed on main structure beam, and the multiple purlins distributed along roof length are connected into an entirety by pull bar, purlin are arranged roof panel (such as color steel, warming plate, thin concrete slab etc.).
In above-mentioned structural system of roof, main structure beam generally includes the multiple brace summers along roof width distribution, and two adjacent brace summers are fixed at the two ends of purlin.Wherein, the distance between two adjacent brace summers is the span of roof structure, also can be described as the span of purlin.And the section area of purlin is larger, then the bearing capacity of purlin is larger, and then makes the span of purlin larger.
At present, the span of existing purlin is generally 2-8m.In large span situation, (be generally 20-80m), existing purlin need could meet instructions for use with employing heavy in section component, thus causes its Unit Weight overweight.When span is increased to a certain degree, existing purlin component even cannot use.For the problems referred to above, also there is no effective solution at present.
Utility model content
Therefore, the technical problems to be solved in the utility model is to solve that the Unit Weight of existing purlin structure is overweight in large span situation maybe can not use problem.
For this reason, the utility model provides a kind of unidirectional purlin system, comprising: purlin, is set to multiple, successively interval and be arrangeding in parallel; First tension flexible piece, is set to multiple, and its two ends are corresponding with the two ends of described purlin to be connected; Strut, is set to multiple, and arranges along the length direction interval of described purlin, and its top is connected on described purlin, and its bottom is connected to described first tension flexible piece.
Above-mentioned unidirectional purlin system also comprises: the second tension flexible piece, be set to multiple, length direction interval along described purlin is arranged, its two ends correspondence is connected to the outside of outermost two described purlins, with the bottom of strut described in several according to the top → strut of the bottom → strut of strut in the middle part of it ... the order on the top of strut is cross-linked.
Above-mentioned unidirectional purlin system also comprises: the 3rd tension flexible piece, be set to multiple, length direction interval along described purlin is arranged, its two ends correspondence is connected to the outside of outermost two described purlins, with the top of strut described in several according to the bottom → strut of the top → strut of strut in the middle part of it ... the order of the bottom of strut is cross-linked.
Preferably, the span of described purlin is 5 ~ 30m, and the below of each described purlin is provided with 3-8 described strut.
Preferably, each described purlin spaced set, and the spacing distance between adjacent described purlin is 1-5m.
Preferably, described first tension flexible piece, and/or described second tension flexible piece, and/or described 3rd tension flexible piece are drag-line or pull bar.
The utility model additionally provides a kind of two-way purlin system, comprise the first purlin system and the second purlin system, the unidirectional purlin system that described first purlin system and/or described second purlin system provide for the utility model, the purlin in described first purlin system is crossing with the purlin in described second purlin system to be arranged.
Preferably, the purlin in described first purlin system and the purlin in described second purlin system intersect vertically.
The utility model additionally provides a kind of roofing, the roof panel comprising main structure beam, be arranged at the purlin system on described main structure beam and be arranged in described purlin system, wherein, and the unidirectional purlin system that described purlin system provides for the utility model.
The utility model further provides a kind of roofing, the roof panel comprising main structure beam, be arranged at the purlin system on described main structure beam and be arranged in described purlin system, wherein, and the two-way purlin system that described purlin system provides for the utility model.
Technical solutions of the utility model, tool has the following advantages:
The unidirectional purlin system that the utility model provides by arranging the first tension flexible piece below purlin, and to the first tension flexible piece Shi Hanzhang (tensile stress) when assembled, make the first tension flexible piece can offset the part stress of purlin under stressing conditions, and reduce the amount of deflection of purlin under stressing conditions, improve the stability of purlin when stressed, and make the first tension flexible piece can share the load of purlin, improve the bearing capacity of purlin, the span of purlin is increased under the prerequisite of section area not increasing purlin, and then make this unidirectional purlin system can realize large span layout, and structural configuration is more economical, flexibly.Simultaneously, because the span of purlin system is increased, the number of components of purlin system is reduced, thus reduces steel using amount and the engineering cost of purlin component, the unidirectional purlin system that the utility model is provided has good economic benefit and the market competitiveness.Each component of the purlin structure that the utility model provides can be prefabricated in the factory, and then carry out assembled, installation at the construction field (site), its industrialization degree is high, quick for installation.
The two-way purlin system that the utility model provides comprises the first purlin system and the second purlin system, wherein, first purlin system and/or the second purlin system are unidirectional purlin system described above, therefore, possess all advantages that above-mentioned unidirectional purlin system possesses.Further, the purlin in the first purlin system is crossing with the purlin in described second purlin system to be arranged, and makes two-way purlin system have better support force.
The roofing that the utility model provides, owing to adopting above-mentioned unidirectional purlin system or above-mentioned two-way purlin system, therefore has the advantage of above-mentioned unidirectional purlin system or above-mentioned two-way purlin system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front view of purlin structure of Fig. 1 for providing in the first embodiment of the present utility model;
The front view of purlin structure of Fig. 2 for providing in the second embodiment of the present utility model;
Description of reference numerals:
1-purlin; 2-first tension flexible piece; 3-strut; 4-second tension flexible piece; 5-bearing; 6-the 3rd tension flexible piece; 7-roof panel.
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Embodiment 1
Present embodiments provide a kind of unidirectional purlin system, it is characterized in that, comprising:
Purlin 1, is set to multiple, successively interval and be arrangeding in parallel;
First tension flexible piece 2, is set to multiple, and its two ends are corresponding with the two ends of described purlin 1 to be connected;
Strut 3, is set to multiple, and arranges along the length direction interval of described purlin 1, and its top is connected on described purlin 1, and its bottom is connected to described first tension flexible piece 2.
The utility model is by first tension flexible piece 2 below purlin 1, and to the first tension flexible piece 2 Shi Hanzhang (tensile stress) when assembled, make the first tension flexible piece 2 can offset the part stress of purlin under stressing conditions, and reduce the amount of deflection of purlin under stressing conditions, improve the stability of purlin when stressed, and make the first tension flexible piece 2 can share the load of purlin, improve the bearing capacity of purlin, the span of purlin is increased under the prerequisite of section area not increasing purlin, and then make purlin system can realize large span layout, and structural configuration is more economical, flexibly.Simultaneously, because the span of purlin system is increased, the number of components of purlin system is reduced, thus reduces steel using amount and the engineering cost of the purlin component of a system, the unidirectional purlin system that the utility model is provided has good economic benefit and the market competitiveness.Each component of the unidirectional purlin system that the utility model provides can be prefabricated in the factory, and then carry out assembled, installation at the construction field (site), its industrialization degree is high, quick for installation.
As shown in Figure 1, as preferred embodiment, unidirectional purlin system also comprises: the second tension flexible piece 4, be set to multiple, length direction interval along described purlin 1 is arranged, its two ends correspondence is connected to the outside of the described purlin 1 of outermost two, with the bottom of strut described in several 3 according to the top → strut 3 of the bottom → strut 3 of strut 3 in the middle part of it ... the order on the top of strut 3 is cross-linked.
Second tension flexible piece 4 also can offset the part stress of purlin under stressing conditions, and reduce the amount of deflection of purlin under stressing conditions, improve the stability of purlin when stressed, and make the second tension flexible piece 4 can share the load of purlin, improve the bearing capacity of purlin system further.
As the embodiment improved, unidirectional purlin system also comprises: the 3rd tension flexible piece 6, be set to multiple, length direction interval along described purlin 1 is arranged, its two ends correspondence is connected to the outside of the described purlin 1 of outermost two, with the top of strut described in several 3 according to the bottom → strut 3 of the top → strut 3 of strut 3 in the middle part of it ... the order of the bottom of strut 3 is cross-linked.
In like manner, 3rd tension flexible piece 6 also can offset the part stress of purlin structure under stressing conditions, and reduce the amount of deflection of purlin under stressing conditions, improve the stability of purlin when stressed, and make the 3rd tension flexible piece 6 can share the load of purlin, then improve the bearing capacity of purlin system further.
In order to make each described support member 5 even support purlin 1, as preferred embodiment, the span of described purlin 1 is 5 ~ 30m, such as, be 5m, 8m, 15m, 22m or 30m; The below of each described purlin 1 is provided with 3-8 described strut 3, such as 3,5,6 or 8; Each described purlin 1 spaced set, and the spacing distance between adjacent described purlin 1 is 1-5m, such as 1m, 2m, 4m or 5m.
As shown in Figure 1, as optional embodiment, multiple first tension flexible piece 2 is uniformly distributed in purlin system, thus even support purlin system.
Described first tension flexible piece 2, described second tension flexible piece 4 and the 3rd tension flexible piece 6 are the component that can bear prestressing force tensile stress.As preferred embodiment, described first tension flexible piece 2, and/or described second tension flexible piece 4, and/or described 3rd tension flexible piece 6 are drag-line or pull bar.Wherein, drag-line is that steel bracing wire is made, and its outside is wrapped up by rubber sleeve.Pull bar is made up of several pull bars, is connected between each pull bar by node.Drag-line or pull bar all can bear larger prestressing force.
As shown in Figure 1, as optional embodiment, the two ends of the 3rd tension flexible piece 6 and the second tension flexible piece 4 are connected on the bearing 5 of the main structure beam in the outside being positioned at the described purlin 1 of outermost two.The two ends of each described purlin 1 can fixedly secure on main structure beam by above-mentioned bearing 5, make purlin system more stable.
Embodiment 2
As shown in Figure 2, present embodiments provide a kind of two-way purlin system, comprise the first purlin system and the second purlin system, the unidirectional purlin system that described first purlin system and/or described second purlin system provide for embodiment 1, the purlin 1 in described first purlin system is crossing with the purlin 1 in described second purlin system to be arranged.Two-way purlin system has better support force, for supporting the load-bearing materials such as roof panel.
As preferred embodiment, the purlin 1 in described first purlin system intersects vertically with the purlin 1 in described second purlin system, has better support force to make two-way purlin system.
As shown in Figure 2, as optional embodiment, the two ends of each described purlin 1 in the second purlin system are all fixed on the bearing 5 of main structure beam.Purlin 1 in the two ends of the described purlin 1 in the first purlin system and the second purlin system can be securely fixed on main structure beam by above-mentioned bearing 5, makes purlin structure more stable.
Embodiment 3
Present embodiments provide a kind of roofing, comprise main structure beam, be arranged at the purlin system on described main structure beam and be arranged at the structural roof panel 7 of described purlin, wherein, the unidirectional purlin system that described purlin system provides for embodiment 1, as shown in Figure 1.
The roofing that the utility model provides, owing to adopting unidirectional purlin system, therefore has the advantage of above-mentioned unidirectional purlin system.
In above-mentioned roofing, main structure beam 3 can be girder steel, and roof panel can be color steel, warming plate, thin concrete slab.
Embodiment 4
The roof panel 7 present embodiments providing a kind of roofing, comprise main structure beam, be arranged at the purlin system on described main structure beam and be arranged in described purlin system, wherein, the two-way purlin system that described purlin system provides for embodiment 2, as shown in Figure 2.
Above-mentioned roofing, owing to adopting two-way purlin system, therefore has the preferentially all of above-mentioned two-way purlin system.
In above-mentioned roofing, main structure beam 3 can be girder steel, and roof panel can be color steel, warming plate, thin concrete slab.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not 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 exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (10)
1. a unidirectional purlin system, is characterized in that, comprising:
Purlin (1), is set to multiple, successively interval and be arrangeding in parallel;
First tension flexible piece (2), is set to multiple, and its two ends are corresponding with the two ends of described purlin (1) to be connected;
Strut (3), is set to multiple, and arranges along the length direction interval of described purlin (1), and its top is connected on described purlin (1), and its bottom is connected to described first tension flexible piece (2).
2. unidirectional purlin system according to claim 1, is characterized in that, also comprise:
Second tension flexible piece (4), be set to multiple, length direction interval along described purlin (1) is arranged, its two ends correspondence is connected to the outside of outermost two described purlins (1), with the bottom of strut described in several (3) according to the top → strut (3) of the bottom → strut (3) of strut (3) in the middle part of it ... the order on the top of strut (3) is cross-linked.
3. unidirectional purlin system according to claim 2, is characterized in that: also comprise
3rd tension flexible piece (6), be set to multiple, length direction interval along described purlin (1) is arranged, its two ends correspondence is connected to the outside of outermost two described purlins (1), with the top of strut described in several (3) according to the bottom → strut (3) of the top → strut (3) of strut (3) in the middle part of it ... the order of the bottom of strut (3) is cross-linked.
4. unidirectional purlin system according to claim 3, is characterized in that, the span of described purlin (1) is 5 ~ 30m, and the below of each described purlin (1) is provided with 3-8 described strut (3).
5. unidirectional purlin system according to claim 3, is characterized in that, each described purlin (1) spaced set, and the spacing distance between adjacent described purlin (1) is 1-5m.
6. unidirectional purlin system according to claim 3, it is characterized in that, described first tension flexible piece (2), and/or described second tension flexible piece (4), and/or described 3rd tension flexible piece (6), be drag-line or pull bar.
7. a two-way purlin system, it is characterized in that, comprise the first purlin system and the second purlin system, described first purlin system and/or the unidirectional purlin system of described second purlin system according to any one of claim 1-6, the purlin (1) in described first purlin system is crossing with the purlin (1) in described second purlin system to be arranged.
8. two-way purlin system according to claim 7, is characterized in that, the purlin (1) in described first purlin system intersects vertically with the purlin (1) in described second purlin system.
9. a roofing, comprise main structure beam, be arranged at the purlin system on described main structure beam and be arranged at the roof panel (7) in described purlin system, it is characterized in that, the unidirectional purlin system of described purlin system according to any one of claim 1 to 6.
10. a roofing, comprise main structure beam, be arranged at the purlin system on described main structure beam and be arranged at the roof panel (7) in described purlin system, it is characterized in that, the two-way purlin system of described purlin system according to any one of claim 7 to 8.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108518008A (en) * | 2018-03-23 | 2018-09-11 | 中建钢构有限公司 | Rigid roof structure in flexible cable structure and its installation method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108518008A (en) * | 2018-03-23 | 2018-09-11 | 中建钢构有限公司 | Rigid roof structure in flexible cable structure and its installation method |
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