CN205348515U - Oblique roofing system of assembled - Google Patents

Abstract

The utility model relates to a building structural technology field especially relates to an oblique roofing system of assembled, including prefabricated roof truss and prefabricated roof boarding, setting up pre -buried angle steel on prefabricated roof truss and the prefabricated roof boarding, set up prefabricated roof boarding on the prefabricated roof truss, prefabricated roof boarding is with the prefabrication roof truss through pre -buried angle steel welded fastening. Compared with the prior art, the utility model provides an oblique roofing system of assembled construction is convenient, the wholeness good.

Description

A prefabricated sloping roof system

【Technical field】

The utility model relates to the technical field of building structures, in particular to an assembled inclined roof system.

【Background technique】

The modernization of the construction industry replaces labor-intensive manual production with technology-integrated large-scale factory production, replaces on-site wet-work construction mode with on-site assembly of industrialized products, and realizes the green construction method of factory production of parts and assembly of construction sites. It can effectively improve labor productivity, reduce the waste of raw materials and energy, reduce the cost of construction projects, and realize economies of scale.

With the rapid development of my country's economy, the industrialization of construction has gradually been valued by the society, becoming the focus and developing rapidly. Compared with cast-in-place building technology, prefabricated buildings have the advantages of fast construction speed, good product quality, less environmental pollution, and short construction period. However, prefabricated construction methods are rarely involved in sloped roofs. The current sloping roofs are usually constructed by cast-in-place methods. There are problems such as difficulty in formwork support, difficulty in binding steel bars, and difficulty in concrete pouring and vibration. The construction is cumbersome, and there is a lack of a highly integrated prefabricated sloping roof system.

【Content of utility model】

In order to overcome the problems of cumbersome construction and lack of integrity of the existing prefabricated sloping roof, the utility model provides an assembled sloping roof system with convenient construction and good integrity.

The technical solution of the utility model to solve the technical problem is to provide a prefabricated inclined roof system, including prefabricated roof trusses and prefabricated roof panels, prefabricated roof trusses and prefabricated roof panels are provided with pre-embedded angle steel, prefabricated roof trusses are erected with prefabricated roof panels, prefabricated roof panels It is fixed with the prefabricated roof truss by pre-embedded angle steel welding.

Preferably, the prefabricated roof truss includes a ridge beam and a plurality of valley beams, the ridge beam and the valley beams are in parallel relationship, and the spatial position forms a triangular column shape.

Preferably, the prefabricated roof truss further includes a roof truss secondary beam, and the roof truss secondary beam, the ridge beam and the valley beam are spliced into one body.

Preferably, the roof truss secondary beams are arranged on the roof ridge beams and the valley beams, the roof truss secondary beams are perpendicular to the roof ridge beams and the valley beams, and the roof truss secondary beams are evenly arranged along the extension direction of the roof ridge beams and the valley beams.

Preferably, the prefabricated roof panels are arranged on both sides of the ridge beam at corresponding positions.

Preferably, the prefabricated roof panel includes a large slope roof panel and a small slope roof panel, the slope angle of the large slope roof panel is 20° to 60° along the horizontal plane, and the slope angle of the small slope roof panel is 0° to 20° along the horizontal plane.

Preferably, the sloping roof panel is provided with connecting ribs on the sloping plate and connecting ribs below the sloping slab, the ridge beam is provided with ridge beam stirrups, and the upper parts of the corresponding connecting ribs on the sloping plate are integrated, or The upper part and the lower part are all connected into one.

Preferably, the small slope roof panel includes connecting ribs on the small slope, the valley beams are provided with valley beam stirrups, and the connecting ribs on the small slope, the valley beam stirrups and the lower connecting ribs on the large slope are all stretched into the cast-in-place area.

Preferably, the prefabricated sloping roof system further includes side beams, the side beams and the prefabricated roof panels are welded and connected by pre-embedded angle steel, and the connection surface between the prefabricated roof panels and the beams is an inclined plane.

Preferably, the embedded angle steel includes an equilateral angle steel and a "U" shaped hook, and the two sides of the "U" shaped hook are welded at 45° or parallel to the two sides of the equilateral angle steel.

Compared with the prior art, the prefabricated inclined roof system provided by the utility model includes prefabricated roof trusses and prefabricated roof panels, prefabricated roof trusses and prefabricated roof panels are provided with embedded angle steel, prefabricated roof panels are erected on the prefabricated roof trusses, and prefabricated roof panels are followed by The prefabricated roof truss is temporarily fixed by pre-embedded angle steel welding connection, and then connected by post-cast concrete. The prefabricated roof truss includes a ridge beam and a plurality of valley beams, the ridge beam and the valley beams are in parallel relationship, and the spatial position forms a triangular column shape. The prefabricated roof truss further includes a roof truss secondary beam, and the roof truss secondary beam is temporarily welded and fixed with the roof ridge beam and the valley beam by pre-embedded angle steel, and then formed into one body by post-casting concrete. Therefore, the prefabricated sloped roof system has good integrity, can achieve a high level of prefabrication, and has strong assembly feasibility. The roof truss secondary beams are arranged on the roof ridge beams and the valley beams, the roof truss secondary beams are perpendicular to the roof ridge beams and the valley beams, and the roof truss secondary beams are evenly arranged along the extension direction of the roof ridge beams and the valley beams. On both sides of the ridge beam, a large slope roof panel is erected. The positions of the large slope roof panels on both sides correspond. The prefabricated roof panel includes a large slope roof panel and a small slope roof panel. The slope angle of the large slope roof panel is 20° to 60° along the horizontal plane, and the slope angle of the small slope roof panel is 0° to 20° along the horizontal plane. By setting different angles of the prefabricated roof panels, the aesthetics of the entire prefabricated sloped roof system is better, and it is also conducive to roof drainage.

【Description of drawings】

Fig. 1 is a schematic diagram of the three-dimensional structure of the prefabricated inclined roof system of the utility model;

Fig. 2 is a schematic diagram of the three-dimensional structure of the prefabricated roof truss in the prefabricated inclined roof system of the present invention;

Fig. 3 is the front view of the prefabricated roof truss in the assembled inclined roof system of the present invention;

Fig. 4 is the distribution diagram of the prefabricated roof panel in the prefabricated inclined roof system of the present invention;

Fig. 5 is a schematic diagram of the first connection mode of the connection node between the large slope roof panel and the ridge beam in the prefabricated inclined roof system of the present invention;

Fig. 6 is a schematic diagram of the second connection mode of the connection node between the large slope roof panel and the ridge beam in the prefabricated inclined roof system of the present invention;

Fig. 7 is a schematic diagram of the connection nodes of the large slope roof panel, the valley beam and the small slope roof panel in the assembled slope roof system of the present invention;

Fig. 8 is a schematic diagram of the connection nodes between the prefabricated roof panel and the side beam in the prefabricated inclined roof system of the present invention;

Fig. 9 is a schematic diagram of the first structure of the pre-embedded angle steel in the prefabricated sloping roof system of the present invention;

Fig. 10 is a schematic diagram of the second structure of the pre-embedded angle steel in the prefabricated sloping roof system of the present invention.

Fig. 11 is a modified embodiment of the connection mode of the prefabricated roof panels in the prefabricated inclined roof system of the present invention.

【detailed description】

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to FIG. 1 , a prefabricated inclined roof system 1 of the present invention includes a prefabricated roof truss 11 , a prefabricated roof panel 12 and embedded angle steel (not shown). The prefabricated roof truss 11 is the structural frame of the entire prefabricated sloped roof system 1 and mainly plays a role of bearing load. The surface of the prefabricated roof truss 11 and the prefabricated roof truss 12 is provided with embedded angle steel, the prefabricated roof panel 12 is erected on the prefabricated roof truss 11, and the prefabricated roof panel 12 is temporarily fixed on the prefabricated roof truss 11 by welding the prefabricated roof panel 12 and the prefabricated roof truss 11. 11 on the roof truss.

Please refer to FIG. 2 and FIG. 3 , the prefabricated roof truss 11 includes a ridge beam 111 , a valley beam 112 and a roof truss secondary beam 113 . Wherein, the roof ridge beam 111, the valley beam 112 and the roof frame secondary beam 113 are spliced into one body. The ridge beam 111 and the valley beam 112 are equal in length and are in parallel relationship. A ridge beam 111 is located on the top of the prefabricated roof truss 11 (in all embodiments, positional words such as up, down, left, right, inside, and outside are limited to specify the relative position on the view, not the absolute position), the two ridge beams 112 are located on both sides below the ridge beam 111, the positional relationship between the ridge beam 111 and the ridge beam 112 is a triangular prism, and the ridge beam 111 and the ridge beam 112 are the three edges of the triangular prism respectively, and this triangular prism structure is convenient for forming the sloped roof. The roof frame secondary beam 113 is erected above the roof beam 111 and the valley beam 112, and is perpendicular to the roof beam 111 and the roof beam 112. Each roof frame beam 113 is erected from the roof beam 112 to the roof beam 111, and then from the roof beam 111 is erected on another valley beam 112, and the roof truss secondary beam 113 is evenly erected at a certain distance along the extension direction of the roof beam 111 and the valley beam 112, which is beneficial to jointly bear the upper load. Between the roof truss secondary beams 113 located at both ends of the prefabricated roof truss 11 and the prefabricated roof panel 12, steel bars (not shown) are reserved through the prefabricated roof panel 12, and the post-cast concrete forms a whole. The roof truss secondary beam 113 is "L" shaped, perpendicular to the ridge beam 111 and the valley beam 112, and is integrally formed by pouring concrete at the junction. The secondary beam 113 of the roof truss mainly bears the load of the upper prefabricated roof panel 12 and transmits the load to the ridge beam 111 and the valley beam 112 . At both ends of the roof ridge beam 111, a cantilever formwork perpendicular to the roof ridge beam is set along the span direction of the roof truss secondary beam 113, which is temporarily fixed. Cantilevered side eaves.

Please refer to FIG. 4 , the prefabricated roof panel 12 is a rectangular reinforced concrete panel, including a large slope roof panel 121 and a small slope roof panel 122 . The sloping roof panel 121 is erected between the ridge beam 111 and the valley beam 112, the upper end is connected with the ridge beam 111, and the lower end is connected with the ridge beam 112, every two adjacent sloping roof panels 121 are connected with steel bars, and the lower Supported by roof frame secondary beams 113. The inclination angle of the steep roof panel 121 is relatively large, and its inclination angle along the horizontal plane can be between 20° and 60°, preferably 30° to 45°. The length of 121 reduces the self-weight of the large slope roof panel 121, reduces the difficulty of construction, and the effect is beautiful. The sloped roof panel 122 is erected above the valley beam 112 and the roof truss secondary beam 113, and one end is connected to the valley beam 112, and its inclination angle along the horizontal plane is small, generally between 0° and 20°, preferably 10° To 20°, this small slope setting can make the same size of the small slope roof panel 122 cover a larger area, reduce the difficulty of construction, the effect is beautiful, and it can also drain normally. The size of the prefabricated roof panel 12 is related to the slope, and when the slope is small, the prefabricated roof panel 12 can adopt a large plate to facilitate construction. In addition, since the prefabricated roof panel 12 is in direct contact with the secondary beams 113 of the roof truss, the size of the prefabricated roof panel 12 matches the distance between the secondary beams 113 of the roof truss. Under the condition that the lifting equipment allows, the larger the area of the prefabricated roof panel 12 is, the more favorable it is to the integrity of the prefabricated sloped roof system 1 , and it can also reduce the difficulty of construction.

Please refer to Fig. 5, the ridge beam 111 is a rectangular laminated beam, at the top two corners of the ridge beam 111, the first embedded angle steel 13 is arranged along the length direction of the ridge beam 111, and the first embedded angle steel 13 can be arranged in full length, It can also be set at intervals of a certain distance. The cross section of the first embedded angle steel 13 is "L" shape, and it is arranged at the junction of the ridge beam 111 and the large slope roof panel 121, the junction of the valley beam 112 and the large slope roof panel, and the connection between the valley beam 112 and the small slope roof panel. The joints of the sloping roof panels 122 are all welded joints, and the welded joints through the first pre-embedded angle steel 13 mainly play the role of temporary fixation. The "L"-shaped flanges on both sides of the first pre-embedded angle steel 13 are exposed outside the ridge beam 111 to provide welding surfaces for welding. Above the ridge beam 111, there are exposed ridge beam stirrups 119. The exposed ridge beam stirrups 119 are in the shape of a closed rectangle, and are evenly arranged at a certain distance along the length direction of the ridge beam 111. The spacing distance is strictly in accordance with the relevant national construction field regulations value. The ridge beam 111 can also be a "T"-shaped composite beam, an I-shaped composite beam, or an "L"-shaped composite beam in addition to being rectangular.

At the connection node between the ridge beam 111 and the sloping roof panel 121, the ridge beam 111 is set in the middle, and the two sides of the ridge beam 111 are erected with a sloping roof panel 121, and the positions of the sloping roof panels 121 on both sides correspond to each other. By welding the ridge beam 111 And the embedded angle steel 13 on the steep roof panel 121 temporarily fixes one end of the steep roof panel 121 on the ridge beam 111. There are exposed connecting ribs 129 on the connecting end of the steep roof panel 121 and the ridge beam 111, and the upper parts of the connecting ribs 129 on the steep slopes on both sides are connected into one body, and the lower parts are disconnected, so that it is convenient to pour concrete at the nodes. It can also ensure that the steel bars at the nodes are anchored and have a certain integrity. The exposed roof beam stirrups 119 of the roof beam 111 and the connecting ribs 129 on the large slope all extend into the cast-in-place area. Finally, it is only necessary to pour concrete at the connection node between the ridge beam 111 and the steep roof panel 121 to form the ridge.

In addition, please refer to Fig. 6, there is another way to connect the joint steel bars with better integrity, the upper and lower parts of the connecting ribs 129 on the big slopes on both sides are all connected into one, the connecting ribs 129 on the big slopes and the ridge beam stirrups 119 Both extend into the cast-in-place area. Finally, it is only necessary to pour concrete at the connection node between the ridge beam 111 and the steep roof panel 121 to form the ridge.

Please refer to Fig. 7, the valley beam 112 is an "L" shaped composite beam, at the two corners of the "L" shaped flange of the valley beam 112, the embedded angle steel 13 is set along the length direction of the valley beam 112, and the embedded angle steel The flanges on both sides of the "L" shape of 13 are exposed on the outside of the valley beam 112 to provide welding surfaces for welding. There are exposed valley beam stirrups 118 inside the "L" shaped right angles of the valley beams 112, and the exposed valley beam stirrups 118 are in a closed rectangular shape, and are evenly arranged at a certain distance along the length direction of the valley beams 112. The separation distance is strictly in accordance with the relevant specifications of the national construction field. Besides the "L" shape, the valley beam 112 can also be a "T" shape composite beam.

At the connection node of the large slope roof panel 121, the valley beam 112 and the small slope roof panel 122, the valley beam 112 is arranged in the middle, and the large slope roof panel 121 is erected on the vertical end of the "L" shape of the valley beam 112, The small slope roof panel 122 is erected on the "L"-shaped horizontal end of the valley beam 112, and the second pre-embedded angle steel 18 is welded at the joint to connect one end of the large slope roof panel 121 and one end of the small slope roof panel 122 to the valley beam respectively. 112 temporarily fixed. At the nodes, the valley beam 112 has exposed valley beam stirrups 118, the steep roof panel 121 has exposed connecting ribs 128 under the large slope, and the small slope roof panel 122 has exposed connecting ribs 126 on the small slope. The three kinds of steel bars all extend into the cast-in-place area at the nodes. Finally, concrete is poured at the joints to shape the valley.

Please refer to Fig. 8, the prefabricated roof panel 22 of the present utility model reserves the exposed composite steel bar 25 in the connection node of the prefabricated roof panel 22 and the side beam 23, the side beam 23 is a composite beam, and the prefabricated roof panel 22 and the side beam 23 The connection surfaces are all inclined surfaces, so that the flatness of the post-cast slab surface can be guaranteed, and the slab does not need to be bent and formed. The joints are equipped with pre-embedded steel plates 24, which are used to provide welding surfaces, and the prefabricated roof panels 22 and side beams 23 temporarily fixed. The prefabricated roof panel 22 has exposed laminated steel bars 25 along the direction of the panel surface, and the post-cast laminated panel surface is not only a part of the prefabricated roof panel 22 but also a part of the edge beam 23 .

Referring to Fig. 9, the first embedded angle steel 33 of the present utility model comprises an equilateral angle steel 31 and a "U" shaped anchor bar 32, and the elbow of the "U" shaped anchor bar 32 is connected in the right angle of the equilateral angle steel 31, The two sides of the "U"-shaped anchor bar 32 are 45° to the two sides of the equilateral angle steel 31. This setting allows the embedded angle steel 13 to be embedded in components with wider cross-sections, such as ridge beams 111 and valley beams 112," The U"-shaped anchor bar 32 can firmly anchor the embedded angle steel 33 in the concrete.

Referring to Fig. 10, the second embedded angle steel 43 of the present utility model comprises an equilateral angle steel 41 and a "U" shaped anchor bar 42, and the two sides of the "U" shaped anchor bar 42 are all parallel to the two sides of the equilateral angle steel 41, which This arrangement reduces the occupied space of the pre-embedded angle steel 43, so that it can be pre-embedded in a component with a narrow cross section, such as the prefabricated roof panel 12.

Referring to Fig. 11, a "V"-shaped notch 66 is reserved on the connection surface of every two prefabricated roof panels 12, and the "V"-shaped notch 66 is reserved along the entire length of the connection surface until the prefabricated roof panels 12 are installed in place Afterwards, the "V"-shaped notch 66 is glued to cover the seams between the prefabricated roof panels 12, so that the prefabricated roof panels 12 are connected smoothly and the effect is beautiful.

Compared with the prior art, the prefabricated sloping roof system 1 provided by the utility model includes a prefabricated roof truss 11 and a prefabricated roof panel 12, the prefabricated roof truss 11 and the prefabricated roof panel 12 are provided with embedded angle steel 13, and the prefabricated roof truss 11 is erected with prefabricated The roof panel 12, the prefabricated roof panel 12 and the prefabricated roof truss 11 are welded and connected through the embedded angle steel 13 to play a temporary fixing role, and then the post-cast concrete is used to play a connection role. The prefabricated roof truss 11 includes a ridge beam 111 and a plurality of valley beams 112, the ridge beam 111 and the valley beams 112 are in a parallel relationship, and their spatial positions form a triangular column shape. The prefabricated roof truss 11 further includes a roof truss secondary beam 113, the roof truss secondary beam 113, the ridge beam 111, and the valley beam 112 are temporarily welded and fixed by pre-embedded angle steel 13, and then formed into one body by post-cast concrete. Therefore, the prefabricated sloped roof system 1 has good integrity, can achieve a high level of prefabrication, and has strong assembly feasibility. The roof frame secondary beam 113 is arranged on the roof beam 111 and the valley beam 112, and the roof frame secondary beam 113 is perpendicular to the roof beam 111 and the roof beam 112, and the roof frame secondary beam 113 is evenly arranged along the extending direction of the roof beam 111 and the valley beam 112. The two sides of the ridge beam 111 are provided with large slope roof panels 121, and the positions of the large slope roof panels 121 on both sides are corresponding. Wholeness. The prefabricated roof panel 12 includes a large slope roof panel 121 and a small slope roof panel 122, the large slope roof panel 121 has an inclination angle of 20° to 60° along the horizontal plane, and the small slope roof panel 122 has an inclination angle of 0° to 20° along the horizontal plane. By setting different angles of the prefabricated roof panels 12, the aesthetics of the entire prefabricated sloped roof system 1 is better, and it is also conducive to roof drainage.

The above description is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modification made within the principles of the utility model, equivalent replacement and improvement, etc. should include the protection of the utility model. within range.

Claims (10)

1. A prefabricated inclined roof system, characterized in that: it includes prefabricated roof trusses and prefabricated roof panels, prefabricated roof trusses and prefabricated roof panels are provided with embedded angle steel, prefabricated roof trusses are erected with prefabricated roof panels, and prefabricated roof panels and prefabricated roof trusses are passed through prefabricated roof trusses. The buried angle steel is welded and fixed. 2. The prefabricated sloping roof system according to claim 1, wherein the prefabricated roof truss includes a ridge beam and a plurality of valley beams, the ridge beams and valley beams are in parallel relationship, and the spatial position forms a triangular column shape . 3. The prefabricated sloping roof system according to claim 2, wherein the prefabricated roof truss further includes a roof truss secondary beam, and the roof truss secondary beam, the ridge beam and the valley beam are spliced into one. 4. The prefabricated sloping roof system according to claim 3, characterized in that: the roof truss secondary beam is arranged on the roof ridge beam and the valley beam, the roof truss secondary beam is perpendicular to the roof ridge beam and the valley beam, and the roof truss secondary beam is along the The extension direction of the ridge beam and the valley beam is uniformly set. 5. The prefabricated sloping roof system according to claim 2, characterized in that: the prefabricated roof panels are arranged on both sides of the ridge beam at corresponding positions, and notches are reserved at the joints of the prefabricated roof panels. 6. The prefabricated sloping roof system according to claim 5, wherein the prefabricated roof panel includes a large slope roof panel and a small slope roof panel, and the slope angle of the large slope roof panel is 20° to 60° along the horizontal plane, The inclination angle of the sloped roof panel is 0° to 20° along the horizontal plane. 7. The prefabricated sloping roof system according to claim 6, characterized in that: the sloped roof panel is provided with connecting ribs on the large slope and lower connecting ribs on the large slope, and the corresponding connecting ribs on the large slope The upper part is connected into one body, or the upper part and the lower part are connected into one body. 8. The prefabricated sloping roof system according to claim 7, characterized in that: the sloped roof panel includes connecting ribs on the small slope, the valley beams are provided with valley beam stirrups, and the small slopes are connected The ribs, the stirrups of the roof beams and the connecting bars under the big slope slab all extend into the cast-in-place area. 9. The prefabricated sloping roof system according to claim 1, characterized in that it further includes side beams, the side beams and the prefabricated roof panels are welded and connected by pre-embedded angle steel, and the connection surface between the prefabricated roof panels and the side beams is an inclined plane. 10. The prefabricated sloping roof system according to claim 1, characterized in that: said pre-embedded angle steels include equilateral angle steels and "U" shaped hooks, the two sides of "U" shaped hooks are connected with the two sides of equilateral angle steels 45° welding or parallel welding.