CN111827555A - Roof truss structure, roof truss system and installation method thereof - Google Patents
Roof truss structure, roof truss system and installation method thereof Download PDFInfo
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- CN111827555A CN111827555A CN202010561082.2A CN202010561082A CN111827555A CN 111827555 A CN111827555 A CN 111827555A CN 202010561082 A CN202010561082 A CN 202010561082A CN 111827555 A CN111827555 A CN 111827555A
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- roof truss
- truss assembly
- web member
- horizontal
- conversion structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/028—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of structures of pyramidal or conical shape
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/06—Constructions of roof intersections or hipped ends
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Abstract
The invention discloses a roof truss structure, a roof truss system and an installation method thereof, wherein the roof truss structure comprises a first roof truss component and a second roof truss component, the first roof truss component extends towards a second direction, the second roof truss component extends towards a first direction, and the first roof truss component and the second roof truss component are fixedly connected; the roof truss structure further comprises a conversion structure and a plurality of connecting parts; the conversion structure is connected with the first roof truss assembly and the second roof truss assembly into a whole through the connecting part; the conversion structure and the first roof truss assembly are arranged at a preset angle; connect first roof truss subassembly and second roof truss subassembly as whole through transform structure, simplified the construction process, adopt transform structure simultaneously, reduced the work load of roof truss structure assembly, reduce the time limit for a project.
Description
Technical Field
The invention relates to the technical field of pitched roof houses, in particular to a roof truss structure, a roof truss system and an installation method of the roof truss system.
Background
The integrated house comprises a roofing system, a wall surface system and the like, wherein each system is composed of a plurality of unit modules, the unit modules are manufactured in a factory, and the house is assembled on site by the unit modules. The integrated house is a specialized design, is easy to detach, convenient to install and transport, does not damage the land, can be repeatedly used, and is a house with temporary turnover or permanent property.
The integrated house has light weight, less wetland operation and short construction period. Most of building materials used by the integrated house can be recycled and degraded, and the building is low in cost and is an environment-friendly house.
Currently, in integrated houses, roof truss structures between different sloping surfaces need to be connected by male ridge beams to form an integral roof truss system. The ridge beam and the roof truss structure can not be directly connected and need to be connected through various connecting fittings. However, due to the fact that the number of connecting accessories is too much, assembly errors are large, construction cost is high, and construction period is prolonged.
Disclosure of Invention
In order to solve the above problems in the prior art, a roof truss structure, a roof truss system and a mounting method thereof are provided.
According to a first aspect of the present invention, there is provided a roof truss structure comprising a first roof truss assembly and a second roof truss assembly, the first roof truss assembly extending in a second direction, the second roof truss assembly extending in a first direction, the first roof truss assembly and the second roof truss assembly being fixedly connected;
the roof truss structure further comprises a conversion structure and a plurality of connecting parts;
the conversion structure is connected with the first roof truss assembly and the second roof truss assembly into a whole through the connecting part; wherein the conversion structure and the first roof truss assembly are arranged at a preset angle.
Optionally, the conversion structure includes a first support portion, a horizontal connection portion, a second support portion, and an oblique wing, and the first support portion, the horizontal connection portion, the second support portion, and the oblique wing are sequentially connected end to end;
the first end of the first supporting part and the first end of the second supporting part are respectively perpendicular to the horizontal connecting part, the second end of the first supporting part is connected with the second end of the second supporting part through the inclined wing, and the inclined wing is obliquely arranged.
Optionally, the first roof truss assembly comprises a first lower chord, an upper chord, a first oblique ridge and a first web member, the first web member being perpendicular to the first lower chord;
a second web member is arranged in the extending direction of the first lower chord member, the second web member is perpendicular to the first lower chord member, the first lower chord member is connected with the upper chord member through the second web member, the first lower chord member is arranged in parallel with the upper chord member, and the upper chord member is connected with the first web member through the first inclined ridge; the first lower chord and the horizontal connecting part of the conversion structure form the preset angle;
the second roof truss assembly comprises a second lower chord, a third web member, a second inclined ridge and a fourth web member, and the second lower chord, the third web member, the second inclined ridge and the fourth web member are sequentially connected;
the third web member is fixedly connected with the upper chord of the first roof truss assembly, the first end of the second lower chord is fixedly connected with the first lower chord of the first roof truss assembly, and the second lower chord is perpendicular to the first lower chord.
Optionally, the roof truss structure further comprises at least one first horizontal support and at least one second horizontal support;
the first horizontal supporting portion extends along the first direction, a first end of the first horizontal supporting portion penetrates through the first roof truss assembly to be connected with the conversion structure, the second horizontal supporting portion extends along the second direction, and a first end of the second horizontal supporting portion penetrates through the second roof truss assembly to be connected with the conversion structure.
Optionally, the connecting part further comprises a first connecting piece and a second connecting piece;
the first horizontal supporting part is fixedly connected with the first supporting part of the conversion structure through the first connecting piece, and the second horizontal supporting part is fixedly connected with the first supporting part of the conversion structure through the second connecting piece.
Optionally, the connecting part comprises a third connecting piece and a fourth connecting piece;
the first supporting part of the conversion structure is fixedly connected with the second web member of the first roof truss assembly through the third connecting piece, and the first supporting part of the conversion structure is fixedly connected with the third web member of the second roof truss assembly through the fourth connecting piece.
Optionally, the connecting part further comprises a fifth connecting piece;
the first oblique ridge of the first roof truss assembly, the second oblique ridge of the second roof truss assembly and the oblique wing of the conversion structure are connected through the fifth connecting piece.
Optionally, the first direction and the second direction are perpendicular to each other.
According to a second aspect of the present invention there is provided a roof truss system comprising a plurality of roof truss structures as described above.
According to a third aspect of the present invention there is provided a method of installing a roof truss structure, applied to a roof truss structure as described above; the method comprises the following steps:
a. the first end of the first lower chord is vertically connected with the first web member, the first web member is fixedly connected with the upper chord through the first inclined ridge, the installation position of the second web member is determined, and the upper chord is fixedly connected with the first lower chord through the second web member to obtain a first roof truss assembly; the second lower chord, the third web member, the second oblique ridge and the fourth web member are sequentially connected to obtain a second roof truss assembly;
b. the first supporting part, the horizontal connecting part, the second supporting part and the oblique wings are sequentially connected end to obtain a conversion structure;
c. determining the installation position of the second roof truss assembly, wherein the first roof truss assembly is arranged along a second direction, and the second roof truss assembly is arranged along the second direction;
d. determining the installation position of the conversion structure, and determining a preset angle between the conversion structure and the first roof truss assembly, wherein the conversion structure is fixedly connected with the first roof truss assembly;
e. determining the installation position of a first horizontal supporting part, and correspondingly connecting the first horizontal supporting part with the conversion structure and the first roof truss assembly; and determining the installation position of a second horizontal supporting part, and correspondingly connecting the second horizontal supporting part with the conversion structure and the second roof truss assembly.
The roof truss structure, the roof truss system and the installation method thereof can realize the following beneficial effects: connect first roof truss subassembly and second roof truss subassembly as whole through transform structure, simplified the construction process, adopt transform structure simultaneously, reduced the work load of roof truss structure assembly, reduce the time limit for a project.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
FIG. 1 is a schematic view of the roof truss structure shown in accordance with an exemplary embodiment.
FIG. 2 is a schematic view of the roof truss structure shown in accordance with an exemplary embodiment.
FIG. 3 is a schematic illustration of a first roof truss assembly and a second roof truss assembly shown connected in accordance with an exemplary embodiment.
FIG. 4 is a schematic view of a first roof truss assembly and transition structure connection shown in accordance with an exemplary embodiment.
FIG. 5 is a schematic diagram illustrating a transition structure according to an example embodiment.
FIG. 6 is a schematic illustration of a first roof truss assembly shown in accordance with an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The application provides a roof truss structure, a roof truss system and a method of installing the same. The roof truss structure comprises a first roof truss assembly and a second roof truss assembly, the first roof truss assembly extends towards the second direction, the second roof truss assembly extends towards the first direction, and the first roof truss assembly and the second roof truss assembly are fixedly connected. The roof truss structure further comprises a conversion structure and a plurality of connecting portions, the conversion structure is connected with the first roof truss assembly and the second roof truss assembly through the connecting portions to form a whole, and the conversion structure and the first roof truss assembly are arranged at a preset angle. The first roof truss assembly and the second roof truss assembly are connected through the conversion structure, roof trusses under different slopes are connected into a whole, in the construction process, the manufacture is simple, and industrial production can be achieved. Meanwhile, the conversion structure is simple to connect with the first roof truss assembly and the second roof truss assembly, labor and time are saved, and the assembling period of the roof truss structure is shortened.
The roof truss structure, roof truss system and method of installing the same will now be described in detail with reference to the accompanying drawings.
In an exemplary embodiment, as shown in fig. 1, a roof truss structure includes a first roof truss assembly 1 and a second roof truss assembly 2, the first roof truss assembly 1 extends in a second direction (refer to a Y-axis direction shown in fig. 1), the second roof truss assembly 2 extends in a first direction (refer to an X-axis direction shown in fig. 1), and the first roof truss assembly 1 and the second roof truss assembly 2 are fixedly connected. Wherein the first direction and the second direction are perpendicular to each other. The roof truss structure further comprises a conversion structure 3 and a plurality of connecting parts 4, wherein the conversion structure 3 is connected with the first roof truss component 1 and the second roof truss component 2 into a whole through the plurality of connecting parts 4. The conversion structure 3 and the first roof truss assembly 1 are arranged at a preset angle theta, so that the first roof truss assembly 1 and the second roof truss assembly 2 are in conversion connection. The surface between first roof truss subassembly 1 and the second roof truss subassembly 2 forms closely to laminate and connects, through the transition of conversion structure 3, has solved the conversion between the different domatic between first roof truss subassembly 1 and the second roof truss subassembly 2, makes to form safe and stable's connection between first roof truss subassembly 1 and the second roof truss subassembly 2.
In another exemplary embodiment, as shown in fig. 5, the conversion structure 3 includes a first support part 31, a horizontal connection part 32, a second support part 33, and an inclined wing 34. The conversion structure 3 may be, for example, a rod made of a steel material. The first supporting portion 31, the horizontal connecting portion 32, the second supporting portion 33 and the oblique wings 34 are sequentially connected end to form a first enclosed space. The first support portion 31 and the second support portion 33 are vertically disposed (refer to the Z-axis direction shown in fig. 1), and a first end of the first support portion 31 and a first end of the second support portion 33 are respectively perpendicular to the horizontal coupling portion 32, that is, a lower end of the first support portion 31 and a lower end of the second support portion 33 are perpendicularly coupled to the horizontal coupling portion 32 by tapping screws (not shown). The second end of the first support part 31 is connected with the second end of the second support part 33 by an inclined wing 34, and the inclined wing 34 is disposed obliquely, that is, the upper end of the second support part 31 is connected with the upper end of the second support part 33 by the inclined wing 34. The included angle formed between the oblique wing 34 and the first supporting portion 33 is an acute angle, for example, the value of the acute angle is 30 °, 45 °, 60 °, and the like, and the included angle formed between the oblique wing 34 and the first supporting portion 33 is based on the actual design structure, and is only exemplified here.
In the present embodiment, as still referring to fig. 5, the conversion structure 3 further includes a first auxiliary support portion 35, a second auxiliary support portion 36, a third auxiliary support portion 37, and a plurality of fourth auxiliary support portions 38. The first auxiliary support portion 35, the second auxiliary support portion 36, the third auxiliary support portion 37, and the fourth auxiliary support portion 38 are sequentially provided in the first enclosed space from the second support portion 33 toward the first support portion 31. Both ends of the first auxiliary support portion 35 are fixedly connected to the oblique wing 34 and the horizontal connecting portion 32 by tapping screws (not shown). The first auxiliary support portion 35 is inclined toward the second support portion 33 such that an included angle α (see fig. 5) formed between the first auxiliary support portion 35 and the horizontal connecting portion 32 is an acute angle. In this case, α may be, for example, 15 ° or 30 °, and an included angle formed by the first auxiliary supporting portion 35 and the horizontal connecting portion 32 is only exemplified here based on an actual design structure.
As shown in fig. 5, both ends of the second auxiliary support portion 36 are fixedly connected to the oblique wing 34 and the horizontal connection portion 32 by tapping screws (not shown). The second auxiliary support portion 36 is disposed vertically (refer to the Z-axis direction shown in fig. 1), and the second auxiliary support portion 36 and the horizontal connecting portion 32 are perpendicular to each other.
As shown in fig. 5, both ends of the third auxiliary support portion 37 are fixedly connected to the oblique wing 34 and the horizontal connecting portion 32 by tapping screws (not shown). The upper end of the third auxiliary support portion 37 is inclined toward the first support portion 31 such that an included angle β (see fig. 5) formed by the third auxiliary support portion 37 and the horizontal connecting portion 32 is an obtuse angle. In this case, β may be, for example, 135 ° or 150 °, and an angle formed by the third auxiliary supporting portion 37 and the horizontal connecting portion 32 is only exemplified here based on an actual design structure.
As shown in fig. 5, both ends of each fourth auxiliary supporting portion 38 are fixedly connected to the oblique wing 34 and the horizontal connecting portion 32 by tapping screws (not shown), and the lower end of the fourth auxiliary supporting portion 38 is perpendicular to the horizontal connecting portion 32. The plurality of fourth auxiliary support parts 38 are disposed side by side with the first support part 31, and the lengths of the plurality of fourth auxiliary support parts 38 are different, so that the upper ends of the plurality of fourth auxiliary support parts 38 form different heights. For example, the fourth auxiliary supporting portion 38 includes a first auxiliary rod 381 and a second auxiliary rod 382, the first auxiliary rod 381 is arranged side by side in sequence from the second supporting portion 33 to the first supporting portion 31, the height of the first auxiliary rod 381 is smaller than that of the second auxiliary rod 382, and the height of the second auxiliary rod 382 is smaller than that of the first supporting portion 31.
In this embodiment, the first auxiliary supporting portion 35, the second auxiliary supporting portion 36, the third auxiliary supporting portion 37 and the plurality of fourth auxiliary supporting portions 38 are disposed in the first enclosing space, so that the stability of the converting structure 3 is enhanced, and the strength of the converting structure 3 is improved.
Here, the number of the fourth auxiliary support portions 38, the inclination angle of the first auxiliary support portion 35, and the inclination angle of the third auxiliary support portion 37 are merely exemplary, and do not limit the present invention. When the angle formed by the inclined wing 34 and the first supporting portion 33 is changed, the inclination angle of the first auxiliary supporting portion 35, the inclination angle of the third auxiliary supporting portion 37 and the height of the fourth auxiliary supporting portion 38 are also changed adaptively. Meanwhile, the number of the fourth auxiliary support portions 38 is also determined by the load calculation again due to the change of the inclination angle of the oblique wing 34.
In another exemplary embodiment, as shown in fig. 3 and 6, the first roof truss assembly 1 comprises a first lower chord 11, an upper chord 12, a first inclined ridge 13 and a first web member 14, wherein the first lower chord 11, the upper chord 12, the first inclined ridge 13 and the first web member 14 form a second enclosed space. The first web member 14 is perpendicular to the first lower chord 11, and the lower end of the first web member 14 is fixedly connected to the first lower chord 11 by a tapping screw (not shown). The second web member 15 and the plurality of first auxiliary web members 16 are provided in the extending direction of the first lower chord 11 (see the Y axis shown in fig. 1), the second web member 15 and the plurality of first auxiliary web members 16 are perpendicular to the first lower chord 11, and the lower ends of the second web member 15 and the plurality of first auxiliary web members 16 are fixedly connected to the first lower chord 11 by tapping screws (not shown), so that the overall strength of the first roof truss assembly 1 is improved. The first lower chord 11 is fixedly connected to the lower end of the second web member 15 by a tapping screw (not shown), the upper end of the second web member 15 is also fixedly connected to the upper chord 12 by a tapping screw, the first lower chord 11 is disposed in parallel with the upper chord 12, the upper chord 12 is fixedly connected to the first end of the first inclined ridge 13 by a tapping screw, and the second end of the first inclined ridge 13 is also connected to the upper end of the first web member 14 by a tapping screw. The first lower chord 11 and the horizontal connection portion 32 of the conversion structure 3 form the preset angle θ, the preset angle θ may be, for example, 45 ° or 60 °, and the specific value of the preset angle θ is based on the actual design structure, and is only exemplified here. The first roof truss assembly 1 is prefabricated in a factory and assembled on site, and rapid building of a modular house is facilitated.
In another exemplary embodiment, as shown in fig. 3, the second roof truss assembly 2 comprises a second lower chord 21, a third web member 22, a second inclined ridge 23 and a fourth web member 24, wherein the second lower chord 21, the third web member 22, the second inclined ridge 23 and the fourth web member 14 are sequentially connected end to end by a self-tapping screw (not shown in the figure) to form a third enclosed space. The outer side wall of the third web member 22 is fixedly connected to the corresponding side wall of the upper chord 12 of the first roof truss assembly 1 through a tapping screw (not shown), the first end of the second lower chord 21 is fixedly connected to the side wall of the first lower chord 11 of the first roof truss assembly 1, and the second lower chord 21 is perpendicular to the first lower chord 11. In order to further strengthen the overall strength of the second roof truss assembly 2, a plurality of second auxiliary web members 25 are further arranged in the third enclosed space, the plurality of second auxiliary web members 25 are arranged side by side with the third web member 22, and two ends of the second auxiliary web members 25 are respectively fixedly connected with the second oblique ridge 23 and the second lower chord 21.
In another exemplary embodiment, as shown in fig. 2, the roof truss structure further comprises at least one first horizontal support 5 and at least one second horizontal support 6. The first horizontal support portion 5 extends along a first direction (refer to the X-axis direction shown in fig. 1), and a first end of the first horizontal support portion 5 passes through the first roof truss assembly 1 and is connected to the horizontal connecting portion 32 of the conversion structure 3. For example, the number of the first horizontal supporting portions 5 is two, the two first horizontal supporting portions 5 are arranged in parallel and extend along a first direction (refer to the X-axis direction shown in fig. 1), a first end of the first horizontal supporting portion 5 passes through the second enclosure space to the first enclosure space of the converting structure 3, and a lower surface of the first end of the first horizontal supporting portion 5 is connected to an upper surface of the horizontal connecting portion 32.
In the present embodiment, the second horizontal support portion 6 extends along the second direction (refer to the Y-axis direction shown in fig. 1), and the first end of the second horizontal support portion 6 passes through the second roof truss assembly 2 and is connected to the horizontal connecting portion 32 of the converting structure 3. For example, two second horizontal support portions 6 are provided, two second horizontal support portions 6 are arranged in parallel and extend in the second direction (refer to the Y-axis direction shown in fig. 1), the first end of the second horizontal support portion 6 passes through the third enclosed space and enters the first enclosed space of the conversion structure 3, and the lower surface of the first end of the second horizontal support portion 6 is connected to the upper surface of the horizontal connection portion 32.
Here, it should be noted that the number of the first horizontal supporting portions 5 and the second horizontal supporting portions 6 is only an exemplary one, and is not limited to the present application, and the specific number is determined by calculating the actual load condition of the roof truss. Through setting up first horizontal support portion 5 and second horizontal support portion 6, promoted the holistic structural strength of roof truss, make first roof truss subassembly 1, second roof truss subassembly 2 and conversion structure 3's connection more reliable and stable.
In another exemplary embodiment, as shown in fig. 1 and 2, the connecting portion 4 further includes a first connecting member 41 and a second connecting member 42, and the first horizontal supporting portion 5 is fixedly connected to the first supporting portion 31 of the converting structure 3 through the first connecting member 41. The first connecting member 41 has a V-shaped structure, the first connecting member 41 has a first wing and a second wing, and an included angle formed between the first wing of the first connecting member 41 and the second wing of the first connecting member 41 is an obtuse angle. For example, a plurality of corresponding mounting holes (not shown in the figure) are respectively formed on the side wall of the first wing of the first connecting piece 41 and the side wall of the second supporting portion 33, and the first wing of the first connecting piece 41 and the second supporting portion 33 are fixedly connected with each other through a tapping screw (not shown in the figure). The side wall of the second wing of the first connecting member 41 is fixedly connected with the side wall of the first horizontal supporting portion 5, and the connection mode is the same as the connection mode of the first wing of the first connecting member 41 and the second supporting portion 33, which is not described herein again.
In the present embodiment, as shown in fig. 1 and 2, the second horizontal support portion 6 is fixedly connected to the first support portion 31 of the converting structure 3 by the second connecting member 42. The second connecting member 42 is also in a V-shaped structure, and the connection manner between the second connecting member 42 and the second horizontal support portion 6 is the same as the connection manner between the first connecting member 41 and the first horizontal support portion 5, which is not described herein again. It should be noted that the included angle formed by the second connecting member 42 and the included angle formed by the first connecting member 41 may be the same or different. The angle formed by the second link 42 is determined by the angle formed by the second horizontal support portion 6 and the horizontal connecting portion 32. The angle formed by the first connecting member 41 is determined by the angle formed by the first horizontal supporting portion 5 and the horizontal connecting portion 32.
In another exemplary embodiment, as shown in fig. 1 to 6, the connecting portion 4 further comprises a third connecting member 43 and a fourth connecting member 44, and the first supporting portion 31 of the conversion structure 3 is fixedly connected with the second web member 15 of the first roof truss assembly 1 through the third connecting member 43. The third connecting member 43 has a V-shaped structure, the third connecting member 43 has a first wing and a second wing, and an included angle formed by the first wing of the third connecting member 43 and the second wing of the third connecting member 43 is an acute angle. For example, the side wall of the first wing of the third connecting member 43 and the side wall of the second web member 15 of the first roof truss assembly 1 are also provided with a plurality of corresponding mounting holes (not shown in the figure), and the first wing of the third connecting member 43 and the second web member 15 of the first roof truss assembly 1 are fixedly connected with each other through self-tapping screws (not shown in the figure). The second wing of the third connecting member 43 is fixedly connected to the side wall of the first supporting portion 31 in the same manner as the first wing of the third connecting member 43 is connected to the second web member 15, and the description thereof is omitted here. In order to further improve the stability between the conversion structure 3 and the first roof truss assembly 1, the second wing of the third connecting member 43 can be further fixedly connected to the fourth auxiliary supporting portion 38 in the conversion structure 3.
In this embodiment, as shown in fig. 1 to 6, the first supporting portion 31 of the conversion structure 3 is fixedly connected to the third web member 22 of the second roof truss assembly 2 through the fourth connecting member 44. The fourth connecting member 44 has a first wing, a second wing and a third wing, and the first wing of the fourth connecting member 44 is fixedly connected to the third wing of the fourth connecting member 44 through the second wing of the fourth connecting member 44. The first wing of the fourth connector 44 is perpendicular to the second wing of the fourth connector 44, and the included angle between the second wing of the fourth connector 44 and the third wing of the fourth connector 44 is an obtuse angle. For example, the side wall of the first wing of the fourth connecting member 44 and the side wall of the third web member 22 are also provided with a plurality of corresponding mounting holes (not shown), and the first wing of the fourth connecting member 44 and the third web member 22 are fixedly connected with each other through self-tapping screws (not shown) and the mounting holes. Wherein the second wing of the fourth connecting member 44 is fixedly connected with the first auxiliary web member 16 of the first roof truss assembly 1 by a tapping screw (not shown). The third wing of the fourth connecting member 44 is also fixedly connected to the first supporting portion 31 and the fourth auxiliary supporting portion 38 of the converting structure 3 by tapping screws (not shown). By increasing the contact area between the fourth connecting member 44 and the conversion structure 3 and the second roof truss assembly 2, the stability of the connection is improved.
In another exemplary embodiment, as shown in fig. 1-6, the connecting portion 4 further comprises a fifth connecting member 45, and the first inclined ridge 13 of the first roof truss assembly 1, the second inclined ridge 23 of the second roof truss assembly 2 and the inclined wing 34 of the transition structure 3 are connected by the fifth connecting member 45. The fifth connecting member 45 is a V-shaped structure, the fifth connecting member 45 has a first wing and a second wing, and an included angle formed by the first wing of the fifth connecting member 45 and the second wing of the fifth connecting member 45 is an obtuse angle. The obtuse angle side formed by the fifth connecting piece 45 is buckled at the upper ends of the first roof truss component 1, the second roof truss component 2 and the conversion structure 3, the fifth connecting piece 45 is fixedly connected with the upper chord 12 of the first roof truss component 1, the second inclined ridge 23 of the second roof truss component 2 and the upper end of the inclined wing 34 of the conversion structure 3 through a plurality of self-tapping screws (not shown in the figure), the integral stability among all the structures is improved, the connecting strength of all the parts is increased, and the service life of the roof truss structure is prolonged.
It should be noted that, in all the above embodiments, the number of the mounting holes is preferably such that the connection is reliable and the strength and rigidity of each portion of the first roof truss assembly 1, the second roof truss assembly 2 and the conversion structure 3 are not affected.
The present application further provides a roof truss system comprising a plurality of the above-described roof truss structures. For example, the roof truss system comprises four roof truss structures, so that the four roof truss structures are assembled to form a four-slope roof. The roof truss system is formed by splicing four roof truss structures with the same structure and can be directly assembled on a construction site, so that the transportation difficulty is reduced. Meanwhile, the roof truss system is stable in overall structure and convenient to assemble, the construction period is shortened, and the construction cost is saved.
The application also provides an installation method of the roof truss structure, which is applied to the roof truss structure in the embodiment, and the method comprises the following steps:
a. the first end of the first lower chord 11 is vertically connected with a first web member 14, the first web member 14 is fixedly connected with the upper chord 12 through a first inclined ridge 13, the installation position of a second web member 15 is determined, and the upper chord 12 is fixedly connected with the first lower chord 11 through the second web member 15, so that the first roof truss assembly 1 is obtained;
the second lower chord 21, the third web member 22, the second oblique ridge 23 and the fourth web member 24 are connected in sequence to obtain a second roof truss assembly 2;
all parts of the first roof truss assembly 1 and all parts of the second roof truss assembly 2 can be connected through self-tapping screws;
b. the first support part 31, the horizontal connecting part 32, the second support part 33 and the oblique wings 34 are connected end to end in sequence to obtain the conversion structure 3;
c. determining the installation position of a second roof truss assembly 2, wherein the first roof truss assembly 1 is arranged along a second direction (referring to the Y-axis direction shown in figure 1), and the second roof truss assembly 2 is arranged along a first direction (referring to the X-axis direction shown in figure 1), wherein the first roof truss assembly 1 is vertical to the second roof truss assembly 2;
d. determining the installation position of the conversion structure 3, determining a preset angle between the conversion structure 3 and the first roof truss assembly 1, and fixedly connecting the conversion structure 3 and the first roof truss assembly 1;
e. determining the installation position of the first horizontal supporting part 5, and correspondingly connecting the first horizontal supporting part 5 with the conversion structure 3 and the first roof truss assembly 1; wherein, the first horizontal support part 5 passes through the second enclosed space of the first roof truss assembly 1 along the first direction and extends into the first enclosed space of the conversion structure 3, and the first horizontal support part 5 is fixedly connected with the second support part 33 of the conversion structure 3 through the first connecting piece 41;
determining the installation position of the second horizontal supporting part 6, and correspondingly connecting the second horizontal supporting part 6 with the conversion structure 3 and the second roof truss assembly 2; wherein, the second horizontal supporting part 6 passes through the third enclosed space of the second roof truss assembly 2 along the second direction and extends into the first enclosed space of the conversion structure 3, and the second horizontal supporting part 6 is fixedly connected with the second supporting part 33 of the conversion structure 3 through the second connecting piece 42;
f. fixedly connecting the second web member 15 of the first roof truss assembly 1 with the first support part 31 of the conversion structure 3 through a third connecting piece 43, and fixedly connecting the third web member 22 of the second roof truss assembly 2 with the first support part 31 of the conversion structure 3 through a fourth connecting piece 44;
connecting the first inclined ridge 13 of the first roof truss assembly 1, the second inclined ridge 23 of the second roof truss assembly 2 and the inclined wing 34 of the conversion structure 3 through a fifth connecting piece 45;
g. repeating the steps a-f to form four roof truss structures;
h. and assembling and connecting the four roof truss structures to form the four-slope roof truss.
The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (10)
1. A roof truss structure comprises a first roof truss assembly and a second roof truss assembly, wherein the first roof truss assembly extends towards a second direction, the second roof truss assembly extends towards a first direction, and the first roof truss assembly and the second roof truss assembly are fixedly connected; it is characterized in that the preparation method is characterized in that,
the roof truss structure further comprises a conversion structure and a plurality of connecting parts;
the conversion structure is connected with the first roof truss assembly and the second roof truss assembly into a whole through the connecting part; wherein the conversion structure and the first roof truss assembly are arranged at a preset angle.
2. A roof truss structure as defined in claim 1 wherein said transition structure includes a first support portion, a horizontal connecting portion, a second support portion and a tilt wing, said first support portion, said horizontal connecting portion, said second support portion and said tilt wing being connected end to end in sequence;
the first end of the first supporting part and the first end of the second supporting part are respectively perpendicular to the horizontal connecting part, the second end of the first supporting part is connected with the second end of the second supporting part through the inclined wing, and the inclined wing is obliquely arranged.
3. A roof truss structure as defined in claim 2 wherein said first roof truss assembly includes a first lower chord, an upper chord, a first angled ridge, and a first web member, said first web member being perpendicular to said first lower chord;
a second web member is arranged in the extending direction of the first lower chord member, the second web member is perpendicular to the first lower chord member, the first lower chord member is connected with the upper chord member through the second web member, the first lower chord member is arranged in parallel with the upper chord member, and the upper chord member is connected with the first web member through the first inclined ridge; the first lower chord and the horizontal connecting part of the conversion structure form the preset angle;
the second roof truss assembly comprises a second lower chord, a third web member, a second inclined ridge and a fourth web member, and the second lower chord, the third web member, the second inclined ridge and the fourth web member are sequentially connected;
the third web member is fixedly connected with the upper chord of the first roof truss assembly, the first end of the second lower chord is fixedly connected with the first lower chord of the first roof truss assembly, and the second lower chord is perpendicular to the first lower chord.
4. A roof truss structure as defined in claim 3,
said roof truss structure further comprising at least one first horizontal support portion and at least one second horizontal support portion;
the first horizontal supporting portion extends along the first direction, a first end of the first horizontal supporting portion penetrates through the first roof truss assembly to be connected with the conversion structure, the second horizontal supporting portion extends along the second direction, and a first end of the second horizontal supporting portion penetrates through the second roof truss assembly to be connected with the conversion structure.
5. A roof truss structure as defined in claim 4 wherein said connecting portion further includes a first connecting member and a second connecting member;
the first horizontal supporting part is fixedly connected with the first supporting part of the conversion structure through the first connecting piece, and the second horizontal supporting part is fixedly connected with the first supporting part of the conversion structure through the second connecting piece.
6. A roof truss structure as characterised in claim 3 wherein said connecting portion includes a third connecting member and a fourth connecting member;
the first supporting part of the conversion structure is fixedly connected with the second web member of the first roof truss assembly through the third connecting piece, and the first supporting part of the conversion structure is fixedly connected with the third web member of the second roof truss assembly through the fourth connecting piece.
7. A roof truss structure as defined in claim 3 wherein said connecting portion further includes a fifth connecting member;
the first oblique ridge of the first roof truss assembly, the second oblique ridge of the second roof truss assembly and the oblique wing of the conversion structure are connected through the fifth connecting piece.
8. A roof truss structure as characterised in claim 5 wherein said first direction and said second direction are mutually perpendicular.
9. A roof truss system including a plurality of roof truss structures as defined in any one of claims 1-8.
10. A method of installing a roof truss structure applied to a roof truss structure as defined in claims 1-8; characterized in that the method comprises the following steps:
a. the first end of the first lower chord is vertically connected with the first web member, the first web member is fixedly connected with the upper chord through the first inclined ridge, the installation position of the second web member is determined, and the upper chord is fixedly connected with the first lower chord through the second web member to obtain a first roof truss assembly; the second lower chord, the third web member, the second oblique ridge and the fourth web member are sequentially connected to obtain a second roof truss assembly;
b. the first supporting part, the horizontal connecting part, the second supporting part and the oblique wings are sequentially connected end to obtain a conversion structure;
c. determining the installation position of the second roof truss assembly, wherein the first roof truss assembly is arranged along a second direction, and the second roof truss assembly is arranged along a first direction;
d. determining the installation position of the conversion structure, and determining a preset angle between the conversion structure and the first roof truss assembly, wherein the conversion structure is fixedly connected with the first roof truss assembly;
e. determining the installation position of a first horizontal supporting part, and correspondingly connecting the first horizontal supporting part with the conversion structure and the first roof truss assembly; and determining the installation position of a second horizontal supporting part, and correspondingly connecting the second horizontal supporting part with the conversion structure and the second roof truss assembly.
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| CN202010561082.2A CN111827555B (en) | 2020-06-18 | 2020-06-18 | Roof truss structure, roof truss system and installation method thereof |
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| CN202010561082.2A CN111827555B (en) | 2020-06-18 | 2020-06-18 | Roof truss structure, roof truss system and installation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050034178A (en) * | 2003-10-08 | 2005-04-14 | 주식회사 일광테크 | Bracing methode for trussed roof |
| CN205259426U (en) * | 2015-12-30 | 2016-05-25 | 卓达新材料科技集团威海股份有限公司 | Connection structure between roof truss and roof truss |
| CN205531458U (en) * | 2016-02-04 | 2016-08-31 | 郝赤彪 | Composite construction view pavilion |
| CN206928513U (en) * | 2017-06-20 | 2018-01-26 | 江苏华大装配式房屋有限公司 | Taper roof trusses |
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2020
- 2020-06-18 CN CN202010561082.2A patent/CN111827555B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050034178A (en) * | 2003-10-08 | 2005-04-14 | 주식회사 일광테크 | Bracing methode for trussed roof |
| CN205259426U (en) * | 2015-12-30 | 2016-05-25 | 卓达新材料科技集团威海股份有限公司 | Connection structure between roof truss and roof truss |
| CN205531458U (en) * | 2016-02-04 | 2016-08-31 | 郝赤彪 | Composite construction view pavilion |
| CN206928513U (en) * | 2017-06-20 | 2018-01-26 | 江苏华大装配式房屋有限公司 | Taper roof trusses |
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| Publication number | Publication date |
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| CN111827555B (en) | 2022-05-03 |
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