CN210238845U - Integrated sandwich prefabricated external wall panel for structural enclosure - Google Patents

Abstract

The utility model relates to an assembly type structure, in particular to integrative with filling prefabricated exterior wall board of structure enclosure. The prefabricated external wall panel is sequentially provided with an inner leaf wall panel, a first reinforcing mesh, an XPS extruded sheet, a second reinforcing mesh and an outer leaf wall panel; the first steel bar net piece, the XPS extruded sheet and the second steel bar net piece are connected through a pulling piece. The too big problem of wall body dead weight in having current assembled split design among the current work progress leads to the average unit weight of wall body to exceed national standard, the utility model discloses a prefabricated side fascia replaces current infilled wall, and prefabricated side fascia passes through sandwich filling XPS extruded sheet in the interior outer leaf concrete wallboard, and interior outer leaf wall and sandwich XPS extruded sheet pass through the connecting piece complex, reduce the unit weight of component, can reduce the average unit weight of wall body to 1300 kg/m.

Description

Integrated sandwich prefabricated external wall panel for structural enclosure

Technical Field

The utility model relates to an assembly type structure, in particular to integrative with filling prefabricated exterior wall board of structure enclosure.

Background

The fabricated building is a building fabricated on site by using prefabricated parts. The development of the assembly type building is a great change of the construction mode, is an important measure for promoting the structural reform of the supply side and the novel urbanization development, is favorable for saving resource and energy, reducing construction pollution, improving labor production efficiency and quality safety level, and is favorable for promoting the deep integration of the building industry and the information-based industrialization, cultivating new kinetic energy of new industry and promoting the excess capacity of chemical solution.

In recent years, China actively explores and develops assembly type buildings, but most of construction modes mainly adopt cast-in-place, the proportion and the scale degree of the assembly type buildings are low, and the assembly type buildings are far away from the related requirements for developing green buildings and the advanced construction mode. Under such circumstances, it is also a trend to develop the innovation of the design of the fabricated building. The problem that the self weight of a wall body is overlarge in the existing assembly type splitting design exists in the existing construction process, so that the average volume weight of the wall body exceeds the national standard, and therefore a prefabricated external wall panel capable of reducing the volume weight of the wall body is urgently needed at present.

Disclosure of Invention

Utility model purpose:

the utility model aims at the not enough that exists in the above-mentioned technique, provide a structure enclosure integrative with filling prefabricated side fascia, solve the too big problem of concrete wall dead weight in the current assembled split design.

The technical scheme is as follows:

in order to achieve the above purpose, the utility model is realized by the following technical scheme:

a sandwich prefabricated external wall panel integrated with a structural enclosure is sequentially provided with an inner leaf wall panel, a first reinforcing mesh sheet, an XPS extruded sheet, a second reinforcing mesh sheet and an outer leaf wall panel; the first steel bar net piece, the XPS extruded sheet and the second steel bar net piece are connected through a pulling piece.

Furthermore, a window is arranged on the prefabricated external wall panel, a wallboard internal construction beam is arranged at the lower end of the window, and the first reinforcing mesh and the second reinforcing mesh are inserted into the wallboard internal construction beam and fixed.

Furthermore, the upper ends of the first reinforcing mesh and the second reinforcing mesh are provided with connecting members; one end of the connecting component is connected with the upper end of the first reinforcing mesh or the second reinforcing mesh, and the other end of the connecting component is connected with the building structural member.

Furthermore, a fixing iron sheet is inserted into a through hole at one end of the hollow connecting rod of the connecting member, and fixing holes are formed at two ends of the fixing iron sheet; the other end of the connecting rod is a trapezoidal cylinder, bolt holes are formed in the side face of the cylinder, a concave cylinder matched with the bolt holes in the side face of the cylinder is arranged at the lower end of the cylinder, the bolt holes in the side face of the cylinder are matched with the screw holes in the side face of the concave cylinder, and the bolts sequentially penetrate through the concave cylinder on the outer side and the cylinder on the inner side.

Furthermore, stirrups are inserted into the fixing holes at the two ends of the upper fixing iron sheet and the lower fixing iron sheet.

The advantages and effects are as follows:

the utility model has the advantages of as follows and beneficial effect:

1. and (3) volume weight reduction: adopt prefabricated side fascia to replace current infilled wall, prefabricated side fascia is through sandwich packing XPS extruded sheet in the interior outer leaf concrete wallboard, and interior outer leaf wall and sandwich XPS extruded sheet pass through the connecting piece complex, reduce the unit weight of component, can reduce to 1300kg/m year from 2500 kg/m year before the average unit weight of wall body year before.

2. Reduce intensity of labour, practice thrift the engineering time: adopt the utility model discloses a prefabricated composite wall board replaces the infilled wall, can realize infilled wall board and the synchronous construction of major structure, improves mechanical construction efficiency, reduces intensity of labour, increases the wholeness of structure, exempts from to plaster, reduces the comprehensive cost.

Drawings

FIG. 1 is a schematic front view of a prefabricated wall panel;

FIG. 2 is a schematic view of the interior of the prefabricated exterior wall and building structure;

FIG. 3 is a front view of a prefabricated external wall panel;

FIG. 4 is a schematic sectional view taken along line A-A of a prefabricated external wall panel;

FIG. 5 is a schematic view of a section B-B of the prefabricated external wall panel;

FIG. 6 is a schematic C-C sectional view of a prefabricated external wall panel;

FIG. 7 is a schematic D-D cross-sectional view of a prefabricated external wall panel;

FIG. 8 is a schematic view of the installation of the connecting member;

fig. 9 is a schematic view of the connecting rod inserted into the fixing iron piece.

Description of reference numerals:

1. prefabricating an external wall panel; 2. inner leaf wallboard; 3. an outer leaf wallboard; 4. a beam of a building; 5. a column of a building; 6. a steel bar mesh 61, a first steel bar mesh, and a second steel bar mesh 62; 7. a connecting member; 8. a connecting rod; 9. fixing the iron sheet; 10. a cylinder; 11. a concave cylinder; 12. a bolt; 13. hooping; 14. XPS extruded sheets; 15. a pulling member; 16. hoisting the embedded part; 17. a sleeve for connection; 18. constructing a beam in the wallboard; 19. a sprag insert; 20. and (4) a window.

Detailed Description

The utility model discloses prefabricated side fascia's manufacturing design adopts "cast-in-place equally" design principle, does not change the original structure atress design form. Through filling XPS extruded sheet 14 in interior leaf wallboard 2 and the outer leaf wallboard 3, interior leaf wallboard 2, outer leaf wall and sandwich XPS extruded sheet 14 pass through the connecting piece complex, reduce the unit weight of component, reach the design unit weight requirement. The utility model discloses a four frame limits of prefabricated side fascia are the partly of structure edge atress spare (shear force wall, post), and the later stage forms the unit mount target through cast-in-place.

The utility model relates to an integrative sandwich prefabricated wallboard of structure enclosure can reach to reducing to 1300kg/m heavy planting with the average volume weight of wall body, and current side fascia all is the infilled wall, and the volume weight is high to 2500 kg/m full planting. The sandwich composite part and the whole component frame structure part adopt constructional steel bars to realize weak connection.

As shown in fig. 1, 2 and 3, a structural enclosure integrated sandwich prefabricated external wall panel, the prefabricated external wall panel 1 is sequentially provided with an inner leaf wall panel 2, a first reinforcing mesh 61, an XPS extruded sheet 14, a second reinforcing mesh 62 and an outer leaf wall panel 3 from inside to outside; the first mesh sheet 61, the XPS extruded sheet 14, and the second mesh sheet 62 are connected by a tie 15.

As shown in fig. 6, the tie 15 is a conventional tie for construction, and is mainly used to fix the first mesh sheet 61, the XPS extruded sheet 14, and the second mesh sheet 62, and the XPS extruded sheet 14 is fixed between the first mesh sheet 61 and the second mesh sheet 62 by the tie 15. The tie member 15 is in an 'I' shape, a steel pull rod with threads in the middle can be selected, and nuts are arranged at two ends for fixing. The screw of the tie member 15 is fixed by the nut embedded in the prefabricated external wall panel 1, the two ends of the tie member 15 are detachable and reusable plastic ends, and the middle is a steel pull rod without detachment. The template is oppositely pulled and oppositely supported, and the size precision of the wall is ensured.

The steel mesh comprises a first steel mesh 61 and a second steel mesh 62, and the structures of the steel mesh are the same. As shown in fig. 1, a hoisting embedded part 16 is arranged in the prefabricated external wall panel 1 and fixed above the prefabricated external wall panel 1, and a thread is arranged in the hoisting embedded part 16 and used for connecting a hoisting device when the whole prefabricated external wall panel 1 is hoisted, so that the hoisting embedded part 16 is a conventional hoisting embedded part. A plurality of inclined strut embedded parts 19 are embedded in the prefabricated external wall panel 1. A bracing piece of burying 19 for installing the bracing is fixed in prefabricated exterior wall panel 1 outside, also is the embedded nut when interim support, the drawing of patterns promptly, is mainly used for fixing with the support piece when supporting, belongs to current common design. The hoisting embedded parts 16 are arranged at the top ends of the prefabricated external walls and used for hoisting accessories of the prefabricated external wall panel 1, and the lower ends of the hoisting embedded parts 16 are outward hook-shaped.

As shown in fig. 5, the connecting sleeves 17 provided at the lower end of the prefabricated external wall panel 1 are connected to the lower ends of the reinforcing bars on the first reinforcing bar mesh sheet 61 and the second reinforcing bar mesh sheet 62, respectively, and the connecting sleeves 17 are fixed to each other by the stirrups 13. The connecting sleeve 17 is a conventional building member.

As shown in fig. 7, the prefabricated external wall panel 1 is provided with a window 20, the lower end of the window 20 is provided with an internal structural beam 18 of the wall panel, and a first mesh sheet 61 and a second mesh sheet 62 of reinforcing steel are inserted into the internal structural beam 18 of the wall panel and fixed. The purpose of the inner panel construction beams 18 is primarily to support the door and window structure and prevent the window opening 20 from sinking.

Under the window 20, the XPS extruded sheet 14 is also arranged in the first reinforcing mesh sheet 61 and the second reinforcing mesh sheet 62, and is used for filling the interior of the prefabricated external wall panel 1, so that the volume weight is reduced.

As shown in fig. 4, 8 and 9, the upper ends of the first reinforcing mesh 61 and the second reinforcing mesh 62 are provided with connecting members 7; one end of the connecting component 7 is connected with the upper end of the first reinforcing mesh piece 61 or the second reinforcing mesh piece 62, and the other end of the connecting component 7 is connected with the building structural member.

Connecting elements 7 simple structure, low cost can directly remain in building structure after fixed, need not to take out, has both practiced thrift the cost and can guarantee again that building structure spare and the utility model discloses the connection of prefabricated outer wall.

As shown in fig. 8, the lower end is a longitudinal bar at the upper end of the first steel mesh sheet 61 or the second steel mesh sheet 62, and the upper end is a thick steel bar in the connecting member 7.

As shown in fig. 9, a fixing iron piece 9 is inserted into a through hole at one end of a hollow connecting rod 8 of the connecting member 7, and fixing holes are formed at both ends of the fixing iron piece 9.

As shown in fig. 8, the other end of the connecting rod 8 is a trapezoidal cylinder 10, a bolt hole is formed in the side surface of the cylinder 10, a matched concave cylinder 11 is arranged at the lower end of the cylinder 10, the bolt hole in the side surface of the cylinder 10 is matched with the bolt hole in the side surface of the concave cylinder 11, and a bolt 12 sequentially penetrates through the concave cylinder 11 on the outer side and the cylinder 10 on the inner side.

In order to ensure that the connection with the building member adopts the weak connection of the existing steel bars, a connecting member 7 is also designed between the beam 4 of the building above and the prefabricated outer wall, so that the connection between the prefabricated outer wall and the building structural member is further realized, the connection between the building structural member and the sandwich prefabricated outer wall is ensured, and the problem of connection between the building structural member and the structural member caused by earthquake load and wind load is reduced.

Fig. 3 is a schematic view showing the connection between the prefabricated external wall panel 1 and the beam 4 of the building above and the column 5 of the building on the side, the connection between the side and the column 5 of the building mainly depends on the existing weak connection, and the connecting member 7 is designed on the upper side in order to ensure earthquake resistance and wind resistance in addition to the weak connection.

The cross-sectional view of the lower end of the connecting rod 8 shown in fig. 8 is a trapezoidal structure, the trapezoidal cylinder 10 is matched with the concave cylinder 11 in the hollow below, the concave cylinder 11 is sleeved on the reinforcing steel bar firstly during operation, then the lower end of the connecting rod 8 is sleeved, the cylinder 10 at the lower end of the connecting rod 8 is fixed with the concave cylinder 11 through the bolt 12, the nut is arranged on the outer side of the bolt 12, the reinforcing steel bar and the connecting rod 8 are fixed through the nut, two bolts 12 which are bilaterally symmetrical are arranged in fig. 8, a plurality of bolts can be arranged according to construction requirements, and.

Hoops 13 are inserted into the fixing holes at the two ends of the upper and lower fixing iron sheets 9. The stirrup 13 is a straight steel bar before the existing stirrup 13 is inserted, the fixed iron sheet 9 is fixed after the stirrup 13 is inserted into the fixed hole, and the two ends of the stirrup 13 are bent to ensure stable fixation, so that the stirrup 13 is ensured to stabilize the fixed iron sheet 9.

Adopt the utility model discloses prefabricated side fascia 1 replaces current infilled wall, can realize infilled wallboard and the synchronous construction of major structure, improves mechanical construction efficiency, reduces intensity of labour, increases the wholeness of structure, exempts from to plaster, reduces the comprehensive cost.

Claims (5)

1. The utility model provides an integrative sandwich prefabricated side fascia of structure enclosure which characterized in that: the prefabricated external wall panel (1) is sequentially provided with an inner leaf wall panel (2), a first reinforcing mesh (61), an XPS extruded sheet (14), a second reinforcing mesh (62) and an outer leaf wall panel (3); the first steel mesh (61), the XPS extruded sheet (14) and the second steel mesh (62) are connected through a tie (15).

2. The integrated sandwich prefabricated external wall panel for a structural enclosure according to claim 1, wherein: be equipped with window (20) on prefabricated exterior wall panel (1), window (20) lower extreme is equipped with in wallboard structure roof beam (18), and first reinforcing bar net piece (61) and second reinforcing bar net piece (62) insert in wallboard structure roof beam (18) fixedly.

3. The integrated sandwich prefabricated external wall panel for a structural enclosure according to claim 1, wherein: the upper ends of the first reinforcing mesh (61) and the second reinforcing mesh (62) are provided with connecting members (7); one end of the connecting component (7) is connected with the upper end of the first reinforcing mesh (61) or the second reinforcing mesh (62), and the other end of the connecting component (7) is connected with the building structural member.

4. The integrated sandwich prefabricated external wall panel for a structural enclosure according to claim 3, wherein: a fixed iron sheet (9) is inserted into a through hole at one end of a hollow connecting rod (8) of the connecting member (7), and fixing holes are formed at two ends of the fixed iron sheet (9); the other end of connecting rod (8) is trapezoidal drum (10), and drum (10) side is equipped with the bolt hole, and drum (10) lower extreme is equipped with assorted concave type cylinder (11), and the bolt hole of drum (10) side and the screw phase-match of concave type cylinder (11) side, and bolt (12) pass concave type cylinder (11) in the outside and drum (10) of inboard in proper order.

5. The integrated sandwich prefabricated external wall panel for a structural enclosure according to claim 4, wherein: hoops (13) are inserted into the fixing holes at the two ends of the upper and lower fixing iron sheets (9).

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