CN212001905U - A prefabricated roof truss system - Google Patents

Abstract

The utility model provides an assembled roof truss system. The roof truss system adopts prefabricated roof truss standard modules to perform modularized combination and assembly. The prefabricated roof truss standard module is arranged at the top of the beam-column supporting frame. The prefabricated roof truss standard modules comprise a first prefabricated roof truss standard module, a second prefabricated roof truss standard module and a third prefabricated roof truss standard module. And adjacent prefabricated roof truss standard modules are jointed through bolts to jointly form the roof truss. The roof truss system is good in integrity, and the lateral torsion effect of the roof truss caused by the horizontal load of the roof is reduced on the premise of meeting the using function and the structural safety of a building. Can reach high-level prefabrication degree and has strong assembly feasibility.

Description

A prefabricated roof truss system

technical field

The utility model relates to the technical field of construction engineering, in particular to an assembled roof truss system.

Background technique

The roof truss is one of the components of the house and is used for the truss of the roof structure. It bears the weight of the roof and the frame and the wind load acting on the upper chord.

The roof truss in the prior art cannot effectively ensure the durability of the roof truss structure, and the stability is poor. Therefore, there is an urgent need to develop a prefabricated roof truss system.

Utility model content

The purpose of the utility model is to provide a prefabricated roof truss system to solve the problems existing in the prior art.

The technical solution adopted to achieve the purpose of the present utility model is as follows: a prefabricated roof truss system adopts prefabricated roof truss standard modules for modular assembly.

The prefabricated roof truss standard module is arranged on the top of the beam-column support frame. The prefabricated roof truss standard module includes a first prefabricated roof truss standard module, a second prefabricated roof truss standard module and a third prefabricated roof truss standard module.

The first prefabricated roof truss standard module includes a ridge member, two first roof trusses and a roof panel. The two first roof trusses are distributed on both sides of the ridge member. The first roof truss includes two inclined roof trusses, and several purlins arranged between the two inclined roof trusses. The purlins are arranged on the upper flanges of the roof truss inclined beams. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member. The roof panels are arranged on the purlins.

The second prefabricated roof truss standard module includes a ridge member, a first roof truss, a second roof truss and a roof panel. The first roof truss and the second roof truss are respectively arranged on both sides of the ridge member. The second roof truss includes two inclined roof trusses, purlins and extension rods of the inclined roof trusses. The roof truss inclined beam extension rod is arranged at the rear end of one of the roof truss inclined beams. The purlins are arranged between the two inclined roof trusses and between the inclined roof trusses and the extending rods of the inclined roof trusses. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member. One end of the second roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member. The roof panels are arranged on the purlins.

The third prefabricated roof truss standard module includes a ridge member, a first roof truss, a third roof truss and a roof panel. The first roof truss and the third roof truss are respectively arranged on both sides of the ridge member. The third roof truss includes two roof truss inclined beams and purlins. Both the rear ends of the two roof truss inclined beams are provided with roof truss inclined beam extension rods. The tail ends of the two roof truss inclined beam extension rods are joined together. The roof truss inclined beam extension rod and the roof truss inclined beam form an M-shaped structure. The purlins are arranged on the M-shaped structure. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member. One end of the third roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member. The roof panels are arranged on the purlins.

Adjacent prefabricated roof truss standard modules are bolted to form a roof truss.

Further, a cover plate is also arranged above the ridge member.

Further, the roof ridge member is two flat steel plates connected together by bolts. A bevel is provided at the connecting end of the roof truss inclined beam and the roof ridge member. The groove is welded with the flat steel plate.

Further, a flat steel plate is bolted to the lower flange at one end of the roof truss inclined beam that is fixedly connected to the top of the prefabricated column. The top of the prefabricated column is provided with a groove. The groove is welded with the flat steel plate.

Further, the roof truss inclined beam is made of I-beam. The flange width of the I-beam is the same as the column width.

Further, the purlin is made of C-shaped steel. The purlin is connected with the flange of the roof truss inclined beam by purlin support.

The technical effect of the present utility model is beyond doubt:

1. The integrity of the roof truss is good, and the lateral torsion effect of the roof truss caused by the horizontal load of the roof is reduced under the premise of satisfying the use function of the building and the safety of the structure;

2. It can reach a high level of prefabrication and has strong assembly feasibility.

Description of drawings

Figure 1 is a schematic diagram of the roof truss architecture;

Figure 2 is a schematic diagram of the first roof truss structure;

Figure 3 is a first roof truss connection diagram;

Figure 4 is a schematic diagram of the second roof truss structure;

Figure 5 is a schematic diagram of the third roof truss structure

Figure 6 is a diagram showing the connection between the inclined beam of the roof truss and the purlin;

Figure 7 is a diagram showing the connection between the inclined beam of the roof truss and the prefabricated column;

FIG. 8 is a schematic diagram of the structure of a prefabricated integrated residence.

In the figure: prefabricated foundation standard module 1, prefabricated wall standard module 2, prefabricated floor standard module 3, prefabricated roof truss standard module 4, roof ridge member 401, roof truss inclined beam 402, purlin 403, cover plate 404, roof truss inclined beam extension rod 405 , Prefabricated column 5, I-beam 6.

Detailed ways

The present utility model will be further described below in conjunction with the embodiments, but it should not be understood that the scope of the above-mentioned subject matter of the present utility model is limited to the following embodiments. Without departing from the above-mentioned technical idea of the present invention, various substitutions and changes can be made according to common technical knowledge and conventional means in the field, which should be included in the protection scope of the present invention.

Example 1:

Referring to FIG. 1 , this embodiment discloses a prefabricated roof truss system, which adopts prefabricated roof truss standard modules 4 for modular assembly.

The prefabricated roof truss standard module 4 is arranged on the top of the beam-column support frame. The prefabricated roof truss standard module 4 includes a first prefabricated roof truss standard module, a second prefabricated roof truss standard module and a third prefabricated roof truss standard module. The second prefabricated roof truss standard module and the third prefabricated roof truss standard module are used at the junction of the main building body and the auxiliary building body.

Referring to FIG. 2 and FIG. 3 , the first prefabricated roof truss standard module includes a roof ridge member 401 , two first roof trusses and a roof panel. The two first roof trusses are distributed on both sides of the roof ridge member 401 in an inverted V shape. The first roof truss includes two inclined roof trusses 402 and a plurality of purlins 403 disposed between the two inclined roof trusses 402 . The purlins 403 are arranged on the upper flanges of the roof truss inclined beams 402 . One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the roof truss inclined beam 402 is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 .

Referring to FIG. 4 , the second prefabricated roof truss standard module includes a ridge member 401 , a first roof truss, a second roof truss and a roof panel. The first roof truss and the second roof truss are respectively arranged on both sides of the ridge member 401 . The second roof truss includes two inclined roof trusses 402 , purlins 403 and extension rods 405 of the inclined roof trusses. The roof truss inclined beam extension rod 405 is arranged at the rear end of one of the roof truss inclined beams 402 . The purlins 403 are arranged between the two inclined roof trusses 402 and between the inclined roof beams 402 and the extending rods 405 of the inclined roof trusses. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the second roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . The roof panels are arranged on purlins 403 .

Referring to FIG. 5 , the third prefabricated roof truss standard module includes a ridge member 401 , a first roof truss, a third roof truss and a roof panel. The first roof truss and the third roof truss are respectively arranged on both sides of the roof ridge member 401 . The third roof truss includes two roof truss inclined beams 402 and purlins 403 . The rear ends of the two roof truss inclined beams 402 are provided with roof truss inclined beam extension rods 405 . The tail ends of the two roof truss inclined beam extension rods 405 are joined together. The roof truss inclined beam extension rod 405 and the roof truss inclined beam 402 enclose an M-shaped structure. The purlins 403 are arranged on the M-shaped structure. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the third roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 . Roof panels are arranged on the purlins 403 . The roof panel is formed by staggered lamination of tile-shaped panels. A cover plate is also arranged above the roof ridge member 401 .

Referring to FIGS. 6 and 7 , one end of the roof truss inclined beam 402 is fixedly connected to the top of the prefabricated column 5 , and the other end is fixedly connected to the roof ridge member 401 . The roof truss inclined beam 402 is connected with the roof ridge member 401 and is provided with a groove. The groove is welded with the flat steel plate. A flat steel plate is bolted to the lower flange of one end of the roof truss inclined beam 402 that is fixedly connected to the top of the prefabricated column 5 . The top of the prefabricated column 5 is provided with a groove. The groove is welded with the flat steel plate. The adjacent prefabricated roof truss standard modules 4 are connected by bolts to form a roof truss together.

Example 2:

This embodiment provides a prefabricated roof truss system, which adopts prefabricated roof truss standard modules 4 for modular assembly.

The prefabricated roof truss standard module 4 is arranged on the top of the beam-column support frame. The prefabricated roof truss standard module 4 includes a first prefabricated roof truss standard module, a second prefabricated roof truss standard module and a third prefabricated roof truss standard module.

The first prefabricated roof truss standard module includes a roof ridge member 401, two first roof trusses and a roof panel. The two first roof trusses are distributed on both sides of the ridge member 401 . The first roof truss includes two inclined roof trusses 402 and several purlins 403 disposed between the two inclined roof trusses 402 . The purlins 403 are arranged on the upper flanges of the roof truss inclined beams 402 . One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . The roof panels are arranged on purlins 403 .

The second prefabricated roof truss standard module includes a ridge member 401, a first roof truss, a second roof truss and a roof panel. The first roof truss and the second roof truss are respectively arranged on both sides of the ridge member 401 . The second roof truss includes two inclined roof trusses 402 , purlins 403 and extension rods 405 of the inclined roof trusses. The roof truss inclined beam extension rod 405 is arranged at the rear end of one of the roof truss inclined beams 402 . The purlins 403 are arranged between the two inclined roof trusses 402 and between the inclined roof beams 402 and the extending rods 405 of the inclined roof trusses. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the second roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . The roof panels are arranged on purlins 403 .

The third prefabricated roof truss standard module includes a roof ridge member 401, a first roof truss, a third roof truss and a roof panel. The first roof truss and the third roof truss are respectively arranged on both sides of the roof ridge member 401 . The third roof truss includes two roof truss inclined beams 402 and purlins 403 . The rear ends of the two roof truss inclined beams 402 are provided with roof truss inclined beam extension rods 405 . The tail ends of the two roof truss inclined beam extension rods 405 are joined together. The roof truss inclined beam extension rod 405 and the roof truss inclined beam 402 enclose an M-shaped structure. The purlins 403 are arranged on the M-shaped structure. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the third roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 .

The adjacent prefabricated roof truss standard modules 4 are connected by bolts to form a roof truss together.

Example 3:

The main structure of this embodiment is the same as that of Embodiment 2, wherein the roof truss inclined beam 402 is made of I-beam. The purlin 403 is made of C-shaped steel. The roof truss inclined beams 402 and the purlins 403 are connected by purlin brackets. A cover plate 404 is provided above the connecting position of the roof frames on both sides of the roof.

Example 4:

Referring to FIG. 8 , this embodiment discloses a prefabricated integrated house based on the prefabricated roof truss system described in Embodiment 2. The plane projection of the prefabricated integrated residence is a rectangle, and the foundation, the beam-column support frame, the wall, the prefabricated floor standard module 3 and the prefabricated roof truss system are used for modular assembly.

The foundation adopts different prefabricated foundation standard modules 1 for free combination. The prefabricated foundation standard module 1 divides the foundation into compartments which are connected one after the other. The compartment as a whole is a rectangular frame body with four basic beams. Each compartment is fixed by the connection of the tensile prestressed steel pipe. The upper surface of the foundation is pre-embedded with connecting pieces I at the four corners of the compartment. The upper surface of the foundation is provided with dimples at the four sides of the compartment. A connecting piece II is pre-embedded on the side wall of the pit.

The beam-column support frame includes vertically arranged prefabricated columns 5 and steel beams 6 vertically connected to the prefabricated columns 5 . The prefabricated column 5 is joined to the foundation through the connecting piece I.

The wall is arranged on the foundation. The wall body includes a plurality of prefabricated wall body standard modules 2 that are joined to the beam-column support frame. The prefabricated wall standard module 2 includes a steel structure frame embedded between two wall panels. The outer side of the steel structure frame is provided with an ear plate. The prefabricated wall standard module 2 is connected with the connecting piece I through the lug plate.

The prefabricated floor slab standard module 3 is a reinforced concrete rectangular slab as a whole. The prefabricated floor slab standard module 3 is erected on the upper flange of the I-beam 6 . The prefabricated floor slab standard module 3 is assembled to form a floor slab.

The roof truss is arranged on the top of the beam-column support frame. The roof truss includes a plurality of prefabricated roof truss standard modules 4 . The prefabricated roof truss standard module 4 includes a roof ridge member 401, two roof trusses and a roof panel. The two roof trusses are distributed on both sides of the ridge member 401 in an inverted V shape. The roof truss includes two inclined roof trusses 402 and a plurality of purlins 403 arranged between the two inclined roof trusses 402 . The purlins 403 are arranged on the upper flanges of the roof truss inclined beams 402 . One end of the roof truss inclined beam 402 is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member 401 . Roof panels are arranged on the purlins 403 .

Example 5:

This embodiment discloses a prefabricated integrated house based on the prefabricated roof truss system described in Embodiment 1. The plane projection of the prefabricated integrated residence is L-shaped. The prefabricated integrated residence includes the main building body and the auxiliary building body. The prefabricated integrated house adopts the foundation, beam-column support frame, wall, prefabricated floor standard module 3 and prefabricated roof truss system for modular assembly.

The foundation adopts different prefabricated foundation standard modules 1 for free combination. The prefabricated foundation standard module 1 divides the foundation into compartments which are connected one after the other. The compartment as a whole is a rectangular frame body with four basic beams. Each compartment is fixed by the connection of the tensile prestressed steel pipe. The upper surface of the foundation is pre-embedded with connecting pieces I at the four corners of the compartment. The upper surface of the foundation is provided with dimples at the four sides of the compartment. A connecting piece II is pre-embedded on the side wall of the pit.

The beam-column support frame includes vertically arranged prefabricated columns 5 and steel beams 6 vertically connected to the prefabricated columns 5 . The prefabricated column 5 is joined to the foundation through the connecting piece I.

The wall is arranged on the foundation. The wall body includes a plurality of prefabricated wall body standard modules 2 that are joined to the beam-column support frame. The prefabricated wall standard module 2 includes a steel structure frame embedded between two wall panels. The outer side of the steel structure frame is provided with an ear plate. The prefabricated wall standard module 2 is connected with the connecting piece I through the lug plate.

The prefabricated floor slab standard module 3 is a reinforced concrete rectangular slab as a whole. The prefabricated floor slab standard module 3 is erected on the upper flange of the I-beam 6 . The prefabricated floor slab standard module 3 is assembled to form a floor slab.

The prefabricated roof truss standard module 4 is arranged on the top of the beam-column support frame. The prefabricated roof truss standard module 4 includes a first prefabricated roof truss standard module, a second prefabricated roof truss standard module and a third prefabricated roof truss standard module. The second prefabricated roof truss standard module and the third prefabricated roof truss standard module are used at the junction of the main building body and the auxiliary building body.

The first prefabricated roof truss standard module includes a roof ridge member 401, two first roof trusses and a roof panel. The two first roof trusses are distributed on both sides of the roof ridge member 401 in an inverted V shape. The first roof truss includes two inclined roof trusses 402 and a plurality of purlins 403 disposed between the two inclined roof trusses 402 . The purlins 403 are arranged on the upper flanges of the roof truss inclined beams 402 . One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the roof truss inclined beam 402 is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 .

The second prefabricated roof truss standard module includes a ridge member 401, a first roof truss, a second roof truss and a roof panel. The first roof truss and the second roof truss are respectively arranged on both sides of the ridge member 401 . The second roof truss includes two inclined roof trusses 402 , purlins 403 and extension rods 405 of the inclined roof trusses. The roof truss inclined beam extension rod 405 is arranged at the rear end of one of the roof truss inclined beams 402 . The purlins 403 are arranged between the two inclined roof trusses 402 and between the inclined roof beams 402 and the extending rods 405 of the inclined roof trusses. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the second roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . The roof panels are arranged on purlins 403 .

The third prefabricated roof truss standard module includes a roof ridge member 401, a first roof truss, a third roof truss and a roof panel. The first roof truss and the third roof truss are respectively arranged on both sides of the roof ridge member 401 . The third roof truss includes two roof truss inclined beams 402 and purlins 403 . The rear ends of the two roof truss inclined beams 402 are provided with roof truss inclined beam extension rods 405 . The tail ends of the two roof truss inclined beam extension rods 405 are joined together. The roof truss inclined beam extension rod 405 and the roof truss inclined beam 402 enclose an M-shaped structure. The purlins 403 are arranged on the M-shaped structure. One end of the first roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the ridge member 401 . One end of the third roof frame is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member 401 . The roof panels are arranged on purlins 403 .

One end of the roof truss inclined beam 402 is fixedly connected to the top of the prefabricated column, and the other end is fixedly connected to the roof ridge member 401 . The roof truss inclined beam 402 is connected with the roof ridge member 401 and is provided with a groove. The groove is welded with the flat steel plate. A flat steel plate is bolted to the lower flange of one end of the roof truss inclined beam 402 that is fixedly connected to the top of the prefabricated column. The top of the prefabricated column is provided with a groove. The groove is welded with the flat steel plate. Roof panels are arranged on the purlins 403 . The roof panel is formed by staggered lamination of tile-shaped panels. A cover plate is also arranged above the roof ridge member 401 . The adjacent prefabricated roof truss standard modules 4 are connected by bolts to form a roof truss together.

Claims (6)

1. An assembled roof truss system, its characterized in that: modular combination and assembly are carried out by adopting a prefabricated roof truss standard module (4);

the prefabricated roof truss standard module (4) is arranged at the top of the beam-column supporting frame; the prefabricated roof truss standard module (4) comprises a first prefabricated roof truss standard module, a second prefabricated roof truss standard module and a third prefabricated roof truss standard module;

the first prefabricated roof truss standard module comprises a ridge member (401), two first roof trusses and a roof panel; the two first roof trusses are distributed on two sides of the ridge member (401); the first roof truss comprises two roof truss oblique beams (402) and a plurality of purlines (403) arranged between the two roof truss oblique beams (402); the purlins (403) are arranged at the upper flange of the roof truss sloping beam (402); one end of the first roof frame is fixedly connected with the top of the prefabricated column, and the other end of the first roof frame is fixedly connected with the ridge member (401); the roof panels are arranged on purlines (403);

the second prefabricated roof truss standard module comprises a ridge member (401), a first roof truss, a second roof truss and a roof panel; the first roof truss and the second roof truss are respectively arranged on two sides of the ridge member (401); the second roof truss comprises two roof truss oblique beams (402), purlins (403) and roof truss oblique beam extension rods (405); the roof truss oblique beam extension rod (405) is arranged at the tail end of one roof truss oblique beam (402); the purlins (403) are arranged between the two roof truss oblique beams (402) and between the roof truss oblique beams (402) and the roof truss oblique beam extension rods (405); one end of the first roof frame is fixedly connected with the top of the prefabricated column, and the other end of the first roof frame is fixedly connected with the ridge member (401); one end of the second roof frame is fixedly connected with the top of the prefabricated column, and the other end of the second roof frame is fixedly connected with the ridge member (401); the roof panels are arranged on purlines (403);

the third prefabricated roof truss standard module comprises a ridge member (401), a first roof truss, a third roof truss and a roof panel; the first roof truss and the third roof truss are respectively arranged on two sides of the ridge member (401); the third roof truss comprises two roof truss oblique beams (402) and purlins (403); the tail ends of the two roof truss oblique beams (402) are respectively provided with a roof truss oblique beam extension rod (405); the tail ends of the two roof truss inclined beam extension rods (405) are jointed; the roof truss inclined beam extension rod (405) and the roof truss inclined beam (402) enclose an M-shaped structure; the purlins (403) are arranged on an M-shaped structure; one end of the first roof frame is fixedly connected with the top of the prefabricated column, and the other end of the first roof frame is fixedly connected with the ridge member (401); one end of the third roof frame is fixedly connected with the top of the prefabricated column, and the other end of the third roof frame is fixedly connected with the ridge member (401); the roof panels are arranged on purlines (403);

the adjacent prefabricated roof truss standard modules (4) are connected through bolts to form the roof truss together.

2. A fabricated roof truss system as defined in claim 1 wherein: a cover plate (404) is also arranged above the ridge member (401).

3. A fabricated roof truss system as defined in claim 1 wherein: the ridge member (401) is two straight steel plates which are connected together through bolts; a groove is arranged at one end of the roof truss oblique beam (402) connected with the ridge member (401); and the groove is welded with the straight steel plate.

4. A fabricated roof truss system as defined in claim 1 wherein: a lower flange bolt at one end of the roof truss oblique beam (402) fixedly connected with the top of the precast column (5) is connected with a straight steel plate; the top of the prefabricated column (5) is provided with a groove; and the groove is welded with the straight steel plate.

5. A fabricated roof truss system as defined in claim 1 wherein: the roof truss oblique beam (402) is made of I-shaped steel; the flange width of the I-shaped steel is the same as the column width of the prefabricated column (5).

6. A fabricated roof truss system as defined in claim 1 wherein: the purlines (403) are made of C-shaped steel; the purlines (403) are connected with flanges of the roof truss oblique beam (402) through purline supports.

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