CN214614907U - Cold-formed thin-wall system gable large cantilever structure - Google Patents

Abstract

The utility model relates to a structure of encorbelmenting greatly of clod wash thin wall system gable, include: a roof truss; the gable frame is opposite to the roof truss and is arranged at intervals; the subassembly of encorbelmenting, set up in the top of gable skeleton, the subassembly of encorbelmenting is including arranging in the two sets of skeletons of encorbelmenting of the relative both sides of ridge line, each skeleton of encorbelmenting all includes the first fossil fragments that a plurality of parallels and interval set up, set up respectively in two second fossil fragments at the relative both ends of each first fossil fragments, and set up the third fossil fragments between two second fossil fragments, each first fossil fragments all parallels with the ridge line, each second fossil fragments links together with the same end of a plurality of first fossil fragments, third fossil fragments intersect and connect fixedly with each first fossil fragments, third fossil fragments are fixed with gable skeleton connection, one of them second fossil fragments is fixed with roofing truss connection. This scheme can realize bigger width of encorbelmenting, and the suitability is wider, and overall structure intensity is stronger, can bear great gravity load and wind pressure.

Description

Cold-formed thin-wall system gable large cantilever structure

Technical Field

The utility model relates to a structural engineering technical field especially relates to a structure of encorbelmenting greatly of thin wall system gable of clod wash.

Background

In the prior art, the overhanging width requirement of the cold-formed thin-walled steel gable cornice is less than or equal to 300mm, the application of a cold-formed thin-walled system is limited, the requirement of architectural design on the overhanging width of the gable can not be well met, the overall structural strength is weak, and the tearing damage of the structure is easily caused under the action of gravity load or wind pressure.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a structure of encorbelmenting greatly of thin wall system gable of clod wash, can realize bigger width of encorbelmenting, and the suitability is wider, can satisfy the requirement of architectural design to gable department width of encorbelmenting well to overall structure intensity is stronger, can bear great gravity load and wind pressure.

The application provides a structure of encorbelmenting greatly of clod wash thin wall system gable includes:

a roof truss;

the gable frameworks are opposite to the roof truss and are arranged at intervals;

the subassembly of encorbelmenting, set up in the top of gable skeleton, the subassembly of encorbelmenting is including arranging in the two sets of skeletons of encorbelmenting of the relative both sides of roof ridge, each the skeleton of encorbelmenting all includes the first fossil fragments that a plurality of parallels and interval set up, set up respectively in each two second fossil fragments at the relative both ends of first fossil fragments, and set up in two third fossil fragments between the second fossil fragments, each first fossil fragments all with the roof ridge parallels, each the second fossil fragments will be a plurality of link together with one end of first fossil fragments, third fossil fragments and each first fossil fragments intersect and connect fixedly, third fossil fragments with gable frame attach together fixedly, one of them the second fossil fragments with roof truss connects fixedly.

Foretell cold-formed thin wall system gable structure of encorbelmenting greatly adopts truss structure through the last roof structure that will be close to the gable, through first fossil fragments, the skeleton of encorbelmenting is formed in the combination of second fossil fragments and third fossil fragments, make roof truss and the skeleton of encorbelmenting all have higher structural strength, and it is fixed with gable skeleton and roof truss connection simultaneously to encorbelment the subassembly, make holistic rigid connection node more, structural strength is higher, the atress performance of junction can satisfy the atress characteristic requirement, guarantee the security and the overall stability of structure, strong node in having satisfied structural design, the conceptual design theoretical requirement of weak component. The cold-formed thin-walled system gable of this scheme structure of encorbelmenting greatly can realize the bigger width of encorbelmenting (can accomplish to be greater than 300mm usually), and the suitability is wider, can satisfy the requirement of architectural design to the width of encorbelmenting of gable department well to overall structure intensity is stronger, can bear great gravity load and wind pressure.

In one embodiment, the gable frame comprises a gable top guide beam, a gable bottom guide beam and a plurality of spaced gable vertical columns, the gable top guide beam is fixed at the top end of the gable vertical column, the gable bottom guide beam is spaced below the gable top guide beam, each gable vertical column penetrates through the gable bottom guide beam, and the third keel is in press-contact with the top surface of the gable top guide beam and is fixedly connected with the gable top guide beam.

In one embodiment, the first keel is a C-shaped keel or a C-shaped combined keel, and the second keel and the third keel are both U-shaped keels.

In one embodiment, the distance between two adjacent first keels is less than or equal to 600 mm.

In one embodiment, the third runner is provided with a through hole for the first runner to pass through.

In one embodiment, the first keel and the gable frame are connected through a wind-resistant pulling piece.

In one embodiment, the wind-resistant pulling piece is a butterfly wind-resistant pulling piece, the butterfly wind-resistant pulling piece comprises two side wings arranged on two opposite sides of the first keel, and the side wings are used for respectively connecting and fixing the corresponding sides of the first keel and the gable framework.

In one embodiment, the cold-formed thin-walled gable large cantilever structure further comprises a ridge cover plate, wherein the ridge cover plate extends along a ridge line and covers the top splicing part of the cantilever assembly.

In one embodiment, the cold-formed thin-wall system gable cantilever structure further comprises a skin panel, and the skin panel is wrapped on the outer surface of the cantilever skeleton.

In one embodiment, the skin panel is made of an Oldham sheet or a calcium silicate sheet.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of a cold-formed thin-walled gable large cantilever structure according to an embodiment of the present invention;

FIG. 2 is a top view of the cold-formed thin-walled gable structure of FIG. 1;

FIG. 3 is a side view of the cold-formed thin-walled system gable structure of FIG. 1;

FIG. 4 is a schematic view of a connection node of the cantilever frame;

FIG. 5 is a schematic view of a connection node between the cantilever frame and the gable frame and between the cantilever frame and the roof truss;

figure 6 is a cross-sectional view of the C-shaped keel;

figure 7 is a cross-sectional view of the C-shaped composite keel.

10. A roof truss; 20. a gable frame; 21. a gable top guide beam; 22. a gable bottom guide beam; 23. a gable column; 30. a cantilever framework; 31. a first keel; 32. a second keel; 33. a third keel; 40. a wind-resistant pull; 50. a ridge cover plate; 60. a skin panel; 70. a fastener; 80. a ridge line.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the present application provides a cold-formed thin-walled gable large cantilever structure, which includes a roof truss 10, a gable frame 20, and a cantilever assembly. Wherein, the gable frame 20 is opposite to the roof truss 10 and arranged at intervals; the subassembly of encorbelmenting set up in gable frame 20's top, the subassembly of encorbelmenting is including arranging in two sets of skeletons 30 of encorbelmenting of the relative both sides of ridge line 80, each the skeleton 30 of encorbelmenting all includes the first fossil fragments 31 that a plurality of parallels and interval set up, sets up respectively in each two second fossil fragments 32 at the relative both ends of first fossil fragments 31, and set up in two third fossil fragments 33 between the second fossil fragments 32, each first fossil fragments 31 all with ridge line 80 parallels, each second fossil fragments 32 will be a plurality of the same one end of first fossil fragments 31 links together, third fossil fragments 33 and each first fossil fragments 31 intersect and connect fixedly, third fossil fragments 33 with gable frame 20 connects fixedly, one of them second fossil fragments 32 with roof truss 10 connects fixedly.

Specifically, the roof truss 10 is a last roof structure close to a gable wall, the roof truss 10 is a triangular structure and comprises a triangular frame formed by combining a truss lower chord and two truss upper chords, and a plurality of support ribs arranged in the triangular frame, and the roof truss 10 is a light steel truss. The roof truss 10 is assembled in a factory according to a truss method of relevant specifications, a whole roof truss is fixed on a light steel keel wall on site and serves as a connecting and fixing fulcrum of an overhanging part, and the elevation of the roof truss 10 is consistent with that of an original sloping roof. The top of the gable frame 20 is of a triangular structure similar to the roof truss 10, the whole assembly of the gable frame 20 is completed in a factory, and the gable frame is hoisted and fixed on the lower light steel keel wall on site and connected according to the existing standard requirements. The top elevation of the finished surface of the gable frame 20 is the height of the original roof truss minus the height of the third keel 33 of the cantilever assembly. The cantilever assembly is erected at the top of the gable frame 20 in a herringbone structure, the cantilever assembly is divided into two cantilever frames 30 according to a ridge line 80, each cantilever frame 30 is formed by combining a first keel 31, a second keel 32 and a third keel 33, and during construction, the two cantilever frames 30 are respectively hoisted. As shown in fig. 3, one side of the cantilever frame 30 is fixedly connected to the roof truss 10, the other side extends to the outside of the gable frame 20, the distance that the cantilever frame 30 extends to the outside of the gable frame 20 is the cantilever width D, and the cantilever width D can be greater than 300mm through the above structural design.

The cold-formed thin-wall system gable large cantilever structure adopts a truss structure through the last roof structure close to the gable, the cantilever framework 30 is formed by combining the first keel 31, the second keel 32 and the third keel 33, the roof truss 10 and the cantilever framework 30 have high structural strength, the cantilever assembly is connected and fixed with the gable framework 20 and the roof truss 10 simultaneously, the integral rigid connection nodes are more, the structural strength is high, the stress performance of the connection part can meet the stress characteristic requirements, the safety and the overall stability of the structure are guaranteed, strong nodes in structural design and the conceptual design theoretical requirements of weak components are met. The cold-formed thin-walled system gable of this scheme structure of encorbelmenting greatly can realize the bigger width of encorbelmenting (can accomplish to be greater than 300mm usually), and the suitability is wider, can satisfy the requirement of architectural design to the width of encorbelmenting of gable department well to overall structure intensity is stronger, can bear great gravity load and wind pressure.

Further, referring to fig. 1 and 3, in this embodiment, the gable frame 20 includes a gable top guide beam 21, a gable bottom guide beam 22 and a plurality of spaced gable uprights 23, the gable top guide beam 21 is fixed to the top ends of the gable uprights 23, the gable bottom guide beams 22 are spaced below the gable top guide beam 21, each gable upright 23 passes through the gable bottom guide beam 22, and the third keel 33 is pressed against the top surface of the gable top guide beam 21 and is connected and fixed to the gable top guide beam 21. Specifically, the gable top guide beam 21 and the gable bottom guide beam 22 both adopt U-shaped keels, the gable upright column 23 adopts C-shaped keels, and the gable bottom guide beam 22 is provided with through holes for the gable upright column 23 to pass through, so that the integral structure is stable and reliable.

Further, in this embodiment, the first keel 31 is a C-shaped keel or a C-shaped combined keel, and the second keel 32 and the third keel 33 are both U-shaped keels. Specifically, the schematic cross-sectional views of the C-shaped keel and the C-shaped combined keel are shown in fig. 6 and 7, when the cantilever frame 30 is assembled, a plurality of first keels 31 (C-shaped keels or C-shaped combined keels) are arranged at intervals along a direction parallel to a ridge line 80, two ends of each first keel 31 are sealed by second keels 32 (U-shaped keels), a third keel 33 (U-shaped keel) is arranged at a position corresponding to a gable top guide beam 21 of the gable frame 20, the third keel 33 is consistent with the extending direction of the gable top guide beam 21, the first keel 31 and the third keel 33 are penetrated and matched, the intersection of the first keel 31 and the third keel 33 is connected and fixed by fasteners 70 (such as self-tapping screws or shooting nails), the assembly is simple, and the overall structure is stable and reliable. After the cantilever framework 30 is assembled, the cantilever framework can be hoisted to the top of the gable framework 20, and the flange of the third keel 33 and the web plate of the gable top guide beam 21 can be connected by fasteners 70 with the edge distance of 50mm and the interval of 150 mm.

In order to further improve the structural stability of the cantilever frame 30, the distance between two adjacent first keels 31 is less than or equal to 600 mm. For example, in the present embodiment, the first keels 31 may be arranged at an equal interval of 600 mm.

In order to ensure the connection stability between the first keel 31 and the third keel 33, further, in the present embodiment, the third keel 33 is provided with a through hole for the first keel 31 to pass through. For example, as shown in fig. 4, in the present embodiment, the third keel 33 is a U-shaped keel, a through hole is formed in a web of the third keel 33, the first keel 31 passes through the third keel 33 via the through hole, and two flanges of the third keel 33 are respectively connected and fixed with the first keel 31 through fasteners 70.

In addition, under the condition of considering negative wind pressure, when the wind load is greater than the upper gravity load, a negative bending moment is generated at the bottom of the cantilever structure, and in order to ensure that the cantilever structure cannot be damaged by pulling out the nail under strong wind, further, as shown in fig. 5, in the present embodiment, the first keel 31 is connected with the gable frame 20 through a wind-resistant pulling member 40. The wind-resistant pulling piece 40 is additionally arranged at the connecting part of each first keel 31 and each gable frame 20, so that the connecting node structure can be further strengthened, and the wind-resistant performance is higher.

Optionally, in this embodiment, the wind-resistant pulling member 40 is a butterfly-shaped wind-resistant pulling member, the butterfly-shaped wind-resistant pulling member includes two side wings disposed on two opposite sides of the first keel 31, and each of the side wings connects and fixes a corresponding side of the first keel 31 and the gable frame 20. The structural strength at the connecting node can be further improved by adopting the butterfly-shaped wind-resistant pulling piece. Of course, in other embodiments, other configurations of the wind-pull resistant members 40 may be used.

Further, as shown in fig. 1, in this embodiment, the cold-formed thin-walled gable large cantilever structure further includes a ridge cover plate 50, and the ridge cover plate 50 extends along the ridge line 80 and covers the top splicing position of the cantilever assembly. Specifically, after the roof truss 10, the gable frame 20, the overhanging assembly and other components are assembled, the ridge cover plate 50 is installed, and the splicing seam at the top of the overhanging assembly can be covered through the ridge cover plate 50. For example, the ridge cover 50 may be formed by folding a 2mm thick galvanized steel sheet into a shape that matches the slope angle of the roof, and then fastened to the corresponding roof member by fasteners 70.

Further, on the basis of the above embodiment, the cold-formed thin-walled gable cantilever structure further includes a skin panel 60, and the skin panel 60 is wrapped on the outer surface of the cantilever frame 30. Specifically, the skin panels 60 are installed on the completed roof framework according to the typesetting rules, and the top surface, the bottom surface and the side surfaces of the overhanging framework 30 are wrapped by the skin panels 60 and fixed by the fasteners 70. Alternatively, the skin panel 60 employs an eurotron board (OSB board) or a calcium silicate board.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. The utility model provides a structure of encorbelmenting greatly of cold-formed thin wall system gable which characterized in that includes:

a roof truss;

the gable frameworks are opposite to the roof truss and are arranged at intervals;

the subassembly of encorbelmenting, set up in the top of gable skeleton, the subassembly of encorbelmenting is including arranging in the two sets of skeletons of encorbelmenting of the relative both sides of ridge line, each the skeleton of encorbelmenting all includes the first fossil fragments that a plurality of parallels and interval set up, set up respectively in each two second fossil fragments at the relative both ends of first fossil fragments, and set up in two third fossil fragments between the second fossil fragments, each first fossil fragments all with the ridge line parallels, each the second fossil fragments will be a plurality of link together with one end of first fossil fragments, third fossil fragments and each first fossil fragments intersect and connect fixedly, third fossil fragments with gable frame attach together fixedly, one of them the second fossil fragments with roofing truss connection is fixed.

2. The cold-formed thin-wall-system gable large cantilever structure of claim 1, wherein the gable frame comprises a gable top guide beam, a gable bottom guide beam and a plurality of spaced gable uprights, the gable top guide beam is fixed to the top ends of the gable uprights, the gable bottom guide beam is spaced below the gable top guide beam, each gable upright penetrates through the gable bottom guide beam, and the third keel is in pressure contact with the top surface of the gable top guide beam and is fixedly connected with the gable top guide beam.

3. The cold-formed thin-wall system gable cantilever structure of claim 1, wherein the first keel is a C-shaped keel or a C-shaped combined keel, and the second keel and the third keel are both U-shaped keels.

4. The cold-formed thin-walled system gable structure of claim 1, wherein the distance between two adjacent first keels is less than or equal to 600 mm.

5. The cold-formed thin-walled system gable structure of claim 1, wherein the third runner is provided with a through hole for the first runner to pass through.

6. The cold-formed thin-wall system gable cantilever structure of claim 1, wherein the first keel and the gable frame are connected through a wind-resistant pulling member.

7. The cold-formed thin-wall system gable cantilever structure of claim 6, wherein the wind-pulling-resistant member is a butterfly-shaped wind-pulling-resistant member, the butterfly-shaped wind-pulling-resistant member comprises two side wings disposed on opposite sides of the first keel, and each side wing respectively connects and fixes a corresponding side of the first keel and the gable framework.

8. The cold-formed thin-wall system gable cantilever structure according to claim 1, further comprising a ridge cover plate, wherein the ridge cover plate extends along a ridge line and covers the top splicing part of the cantilever assembly.

9. The cold-formed thin-wall system gable structure according to any one of claims 1 to 8, further comprising a skin panel, wherein the skin panel is wrapped on the outer surface of the overhanging framework.

10. The cold-formed thin-walled system gable structure of claim 9, wherein the skin panel is made of an europa or calcium silicate board.

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