CN213268310U

CN213268310U - Prefabricated balcony slab of prefabricated building

Info

Publication number: CN213268310U
Application number: CN202022090475.8U
Authority: CN
Inventors: 张斌; 李�浩; 赵大伟; 李洪野; 候青昊
Original assignee: Jinan First Construction Group Co Ltd
Current assignee: Jinan First Construction Group Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-25
Anticipated expiration: 2030-09-22

Abstract

The utility model provides a prefabricated balcony board of assembled building, including balcony plate body, indoor floor, ALC self preservation temperature side fascia, girder steel and steel secondary beam subassembly, steel secondary beam subassembly includes at least three from top to bottom connection and length gradual change little steel secondary beam and sets up the tie-beam board in steel secondary beam one end, and the tie-beam board is connected with ALC self preservation temperature side fascia through wearing the wall bolt, and the top of balcony plate body is provided with a plurality of preformed holes along its edge distribution, is provided with the sleeve in the preformed hole, is provided with the railing in the sleeve, and the side of railing is provided with first scute, and the bottom of railing is provided with the second scute, and first gusset and second gusset pass through the intermediate junction board and connect. The connection stability of the steel secondary beam assembly and the external wall panel in the device is high, and the support capability to the balcony plate body is strong; the stability of railing itself also obtains improving greatly, and is safe better. The device has the advantages of reasonable design, simple structure, long service life and suitability for large-scale popularization.

Description

Prefabricated balcony slab of prefabricated building

Technical Field

The utility model belongs to the technical field of the architectural equipment, especially, relate to a prefabricated balcony slab of assembly type structure.

Background

The fabricated building refers to a building fabricated on the site using factory-prefabricated components. It adopts cold-pressed light steel structure and various light materials to combine all parts of the house. The fabricated building is divided into five types, namely a block building, a plate building, a box building, a framework plate building, a rising-plate rising-layer building and the like according to the form and construction method of the prefabricated part. The construction efficiency can be improved and the construction period can be shortened by adopting the prefabricated balcony slab.

The prior art CN201820772226.7 discloses a bridge cut-off structure of assembled steel construction residential building balcony slab, including indoor floor, balcony slab, ALC self preservation temperature side fascia, the junction of indoor floor and balcony slab is equipped with the gap structure, and the gap structure is run through from top to bottom by ALC self preservation temperature side fascia and is cut off the filling and form the whole gap structure of ALC + waterproof processing space. The utility model discloses a structure adopts the structure to establish seam structure processing mode, is the indoor outer heat transfer by the surface conduction mode optimization for some surface conduction mode, effectively blocks thermal transmission between balcony slab and indoor floor. The seam is filled by the ALC self-heat-insulation external wall panel which is communicated up and down, so that the wall body is not damaged, and the continuity of an external protection heat-insulation system is ensured. The utility model effectively solves the problem of heat bridge at the balcony slab; and the wall body is not damaged, and the continuity of the external enclosure heat-insulation system is ensured. However, the device has problems that, firstly, the connection stability of the steel secondary beam and the external wall panel is low, and the supporting effect on the balcony panel is poor; secondly, the balcony slab usually comprises integrated into one piece pouring fashioned bottom plate and circle roof beam, reserves the railing on the circle roof beam and pegs graft and use the jack, and the railing is pegged graft to this jack after, and is fixed by concrete placement, but this kind of prefabricated balcony slab has the contact of railing and circle roof beam in the use and pours the problem that the position appears crackle and railing is not hard up to influence the life of railing and balcony slab, have certain potential safety hazard moreover.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell balcony slab exists, provide a reasonable in design, simple structure, support effectual, the higher and better prefabricated balcony slab of prefabricated building of security performance of connection stability.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the prefabricated balcony slab of the assembly type building provided by the utility model comprises a balcony plate body, wherein one side of the balcony plate body is provided with an indoor floor slab, a gap structure is arranged between the indoor floor slab and the balcony plate body, the gap structure is provided with an ALC self-insulation external wall slab, the indoor floor slab is arranged on a steel beam, the balcony plate body is arranged on two symmetrically distributed steel secondary beam assemblies, each steel secondary beam assembly comprises at least three steel secondary beams which are connected from top to bottom and gradually reduced in length, the adjacent steel secondary beams are connected through a plurality of pairs of bolts, one side of each steel secondary beam facing the ALC self-insulation external wall slab is provided with a connecting beam slab, the connecting beam slab is connected with the ALC self-insulation external wall slab through wall penetrating bolts, the top of the balcony plate body is provided with a plurality of preformed holes distributed along the edge of the, be provided with the sleeve in the preformed hole, be provided with the railing in the sleeve, the side of railing is provided with first scute, the notch of first scute is down and be provided with a plurality of first gussets on its notch, the bottom of railing is provided with the second scute, the notch of second scute is up and be provided with a plurality of second gussets on its notch, be provided with first slot and the second slot that is located same slash direction on first gusset and the second gusset respectively, be provided with the intermediate junction board with first slot and second slot connection between first scute and the second scute, the both ends of intermediate junction board are provided with a socket respectively.

Preferably, the top of first corner board is provided with the welding board, be provided with a plurality of sleeve pipes that cup joint with the railing on the welding board, sheathed tube cross section personally submits the C font, the sleeve pipe passes through bolted connection with the railing.

Preferably, the first rib plate and the second rib plate are arranged at intervals with the handrail.

Preferably, the prepared hole is a counter-sunk hole.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the prefabricated balcony slab of the assembly type building provided by the utility model has the advantages that the steel secondary beam assembly with a ladder structure and the wall-penetrating bolt are adopted, so that the connection stability between the prefabricated balcony slab and the external wall panel is effectively improved, and the supporting capability for a balcony plate body is stronger; the balcony plate body adopts a sleeve structure to install the handrail, so that the probability of cracks at the connecting joint of the handrail and the balcony plate body is effectively reduced; simultaneously, the railing supports through first scute, second scute and intermediate junction board, and the stability of railing itself also obtains improving greatly to effectively prolong the life of railing and balcony plate body, it is safe better, reasonable in design, simple structure is fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of a prefabricated balcony slab of a prefabricated building according to an exemplary embodiment;

FIG. 2 is a side view of a prefabricated balcony slab of a prefabricated building according to an exemplary embodiment;

in the above figures, 1, a balcony plate body; 2. an indoor floor slab; 3. an ALC self-insulation external wallboard; 4. a steel beam; 5. a steel secondary beam assembly; 51. a steel secondary beam; 52. connecting the beam plates; 6. a bolt; 7. a through-wall bolt; 8. reserving a hole; 9. a sleeve; 10. a railing; 11. a first gusset; 12. a first rib plate; 121. a first slot; 13. a second gusset; 14. a second rib plate; 141. a second slot; 15. an intermediate connection plate; 16. welding the plate; 17. a sleeve.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1 and 2, the utility model provides a pair of prefabricated balcony board of assembly type structure, including balcony plate body 1, one side of balcony plate body 1 is provided with indoor floor 2, is provided with the gap structure between indoor floor 2 and the balcony plate body, is provided with ALC self preservation temperature side fascia 3 in the gap structure, and indoor floor 2 sets up on girder steel 4. Wherein, the structures of the indoor floor slab 2, the gap structure, the ALC self-insulation external wall panel 3 and the steel beam 4 are the prior mature technologies, and the description of the embodiment is omitted. The utility model discloses a key is the improvement that the bearing structure to installing the structure of railing and balcony plate body 1 bottom provided on the balcony plate body 1 to reach the quality that improves this device, thereby guarantee that this device has higher support intensity and longer life.

Specifically, the balcony plate 1 provided by the utility model is arranged on two symmetrically distributed steel secondary beam assemblies 5, each steel secondary beam assembly 5 comprises at least three steel secondary beams 51 which are connected from top to bottom and have gradually reduced lengths, the adjacent steel secondary beams 51 are connected through a plurality of pairs of bolts 6, one side of each steel secondary beam 51 facing the ALC self-insulation external wall panel 3 is provided with a connecting beam plate 52, each connecting beam plate 52 is connected with the ALC self-insulation external wall panel 3 through a through-wall bolt 7, the top of the balcony plate 1 is provided with a plurality of preformed holes 8 distributed along the edge of the balcony plate, the preformed holes 8 are internally provided with sleeves 9, the sleeves 9 are internally provided with railings 10, the side surfaces of the railings 10 are provided with first corner plates 11, the notches of the first corner plates 11 face down and are provided with a plurality of first rib plates 12 on the notches, the bottom of the railings 10 is provided with second corner plates 13, the notches of the second corner plates 13 face up and are provided with a, the first rib plate 12 and the second rib plate 14 are respectively provided with a first slot 121 and a second slot 141 which are positioned in the same oblique direction, an intermediate connecting plate 15 connected with the first slot 121 and the second slot 141 is arranged between the first corner plate 11 and the second corner plate 13, and two ends of the intermediate connecting plate 15 are respectively provided with a socket (not shown in the figure). Wherein, all steel secondary beams 51 of steel secondary beam subassembly 5 are connected through wear wall bolt 7 towards one side of ALC self preservation temperature side fascia, have effectively improved the connection span in longitudinal direction of steel secondary beam subassembly 5, and what adopt moreover is cascaded structure to the form of connecting shortens the torque that balcony plate body 1 acted on steel secondary beam and ALC side fascia connected node point, has effectively improved the support intensity of whole steel secondary beam subassembly 5 layer upon layer. Furthermore, the balcony board body 1 adopts a structure that the preformed hole 5 is matched with the sleeve 6 to install the railing 10, so that the probability of cracks at the joint of the railing 10 and the balcony board body 1 is effectively reduced; meanwhile, the handrail 10 is obliquely spliced with the first rib plate and the second rib plate through the intermediate connecting plate 15, so that the first rib plate 11 and the second rib plate 13 are supported, the bending strength is greatly improved, the stability of the handrail is greatly improved, the safety is good, the connecting efficiency of the intermediate connecting plate 15 and the first rib plate 12 and the second rib plate 14 is high, and the practicability is high.

In order to improve the connection efficiency of first scute 11 and railing 10, the utility model discloses be provided with welded plate 16 at the top of first scute 11, welded plate 16 and the welding of first scute 11 are provided with a plurality of sleeve pipes 17 that cup joint with the railing on the welded plate 16, sleeve pipe 17's transversal C font of personally submitting, sleeve pipe 17 can directly be with the form suit of joint on railing 10, and the one end of bolt 6 is passed the sleeve pipe butt and is come the height of fixed sleeve pipe on the railing in the side of railing. In this way, the assembly efficiency of the first angle plate 11 and the rail 10 can be effectively improved, the interchangeability is high, and the height adjustability of the sleeve 17 is good. It should be noted that the second angle plate 13 can be connected with the balcony panel 1 by bolts; the first corner plate and the middle connecting plate can be used as free ends to support and abut against the free ends to realize fixation.

In order to improve the security of this device, the utility model discloses all set up with railing 10 interval at first gusset 12 and second gusset 14 for all install intermediate junction board 15 between the adjacent railing 10, indirectly shorten the clearance of railing and railing, reduce people or thing from railing clearance roll-off probability.

In order to reduce the probability that crackle appears in the junction of balcony plate body 1 and railing 10, the utility model provides a preformed hole 8 is the counter sink, and the counter sink closely cooperates with the sleeve, reduces the stress concentration effect of preformed hole department on the one hand, and on the other hand then improves the centering ability of preformed hole to sleeve 9.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A prefabricated balcony slab of an assembly type building comprises a balcony slab body, wherein an indoor floor slab is arranged on one side of the balcony slab body, a gap structure is arranged between the indoor floor slab and the balcony slab body, an ALC self-insulation external wall slab is arranged in the gap structure, and the indoor floor slab is arranged on a steel beam, and the prefabricated balcony slab is characterized in that the balcony slab body is arranged on two symmetrically distributed steel secondary beam assemblies, each steel secondary beam assembly comprises at least three steel secondary beams which are connected from top to bottom and gradually reduced in length, adjacent steel secondary beams are connected through a plurality of pairs of bolts, a connecting beam slab is arranged on one side, facing the ALC self-insulation external wall slab, of each steel secondary beam, the connecting beam slab is connected with the ALC self-insulation external wall slab through wall penetrating bolts, a plurality of reserved holes distributed along the edge of the balcony slab body are formed in the top of the balcony slab body, sleeves are arranged in the reserved holes, the side of railing is provided with first scute, the notch of first scute is down and be provided with a plurality of first gussets on its notch, the bottom of railing is provided with the second scute, the notch of second scute is provided with a plurality of second gussets up and on its notch, first gusset and second gusset are provided with the first slot and the second slot that are located same slash direction respectively, be provided with the intermediate junction board with first slot and second slot connection between first scute and the second scute, the both ends of intermediate junction board are provided with a socket respectively.

2. The prefabricated balcony slab of an assembled building according to claim 1, wherein a welded plate is arranged at the top of the first angle plate, a plurality of sleeves sleeved with the railings are arranged on the welded plate, the cross sections of the sleeves are C-shaped, and the sleeves are connected with the railings through bolts.

3. The prefabricated balcony slab of an assembled building according to claim 2, wherein the first rib and the second rib are spaced apart from the balustrade.

4. The prefabricated balcony slab of an assembly type building according to claim 3, wherein said prepared hole is a counter-sunk hole.