CN215977655U - Connecting joint of prefabricated assembly type balcony - Google Patents
Connecting joint of prefabricated assembly type balcony Download PDFInfo
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- CN215977655U CN215977655U CN202121809196.0U CN202121809196U CN215977655U CN 215977655 U CN215977655 U CN 215977655U CN 202121809196 U CN202121809196 U CN 202121809196U CN 215977655 U CN215977655 U CN 215977655U
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Abstract
The utility model discloses a connecting node of a prefabricated assembly type balcony, which comprises the prefabricated assembly type balcony, a connecting piece, a fastener and a structural piece, wherein anchoring reinforcing steel bars are pre-embedded in the end surface of the structural piece connected with the prefabricated assembly type balcony, the end parts of the anchoring reinforcing steel bars are exposed out of the surface of the structural piece, the prefabricated assembly type balcony comprises a balcony board and balcony beams, the two balcony beams are respectively and fixedly connected with the side surface of the balcony board, reserved notches are formed in the end parts of the balcony beams connected with the structural piece, top stress ribs are pre-embedded in the balcony beams, the end parts of the top stress ribs are exposed out of the reserved notches, the connecting piece is placed in the reserved notches, and the anchoring reinforcing steel bars and the top stress ribs are fixedly connected with the connecting piece through the fastener. The prefabricated assembly type balcony connecting node is free of support during construction and high in installation efficiency; the connection is simple and quick; the structure has definite force transfer and good mechanical property; the prefabrication rate is high and can reach more than 95 percent; the post-cast shrinkage-free self-compacting early-strength castable for the connection node area has better durability and bearing capacity.
Description
Technical Field
The utility model belongs to the technical field of assembly type buildings, and particularly relates to a connecting node of a prefabricated assembly type balcony.
Background
Because the assembly type construction technology has the advantages of high production efficiency, low environmental pollution, high construction speed and the like, the assembly type construction technology is widely popularized in the engineering construction field in China; the technical difficulty of the existing assembly type structure lies in the reliable connection technology of complex stress nodes, the balcony can be simplified into a cantilever structure, and the connection nodes are simple, so that the technical difficulty of the prefabricated assembly type balcony is low, and the prefabricated assembly type balcony has wide application prospect.
The connection technology of prefabricated assembled balcony at present generally adopts coincide cast-in-place technique, and balcony board and balcony roof beam adopt prefabricated superimposed sheet respectively and with prefabricated superimposed beam promptly, and its construction main step includes: 1. hoisting the prefabricated balcony in place, and arranging a reliable support; 2. laying a laminated beam and a stressed rib at the top of the laminated slab, and ensuring that the end part of the laminated beam is anchored into a wall or a beam; 3. and pouring superposed layer concrete. Chinese patent document CN201921296214.2 is the technology used. In the actual construction process, the technology has the following problems: 1. because the balcony is an overhanging component, the support of the overhanging component is very inconvenient to set up and remove; 2. the construction efficiency is low; 3. the prefabrication rate is not high, and the workload of on-site cast-in-place laminated layers is large.
In view of the above, it is desirable to provide a connection node for prefabricated balconies, which is fast in assembly and connection, free of support, and high in construction efficiency and prefabrication rate.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the prefabricated balcony connecting node is quick in assembling and connecting, free of support and high in construction efficiency and prefabrication rate.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the connecting joint of the prefabricated balcony comprises the prefabricated balcony, a connecting piece, a fastener and a structural piece, wherein anchoring steel bars are pre-embedded in the end face of the structural piece connected with the prefabricated balcony, the end portions of the anchoring steel bars are exposed out of the surface of the structural piece, the prefabricated balcony comprises a balcony plate and balcony beams, the balcony beams are fixedly connected with the side face of the balcony plate respectively, reserved notches are formed in the end portions of the balcony beams connected with the structural piece, top stress bars are pre-embedded in the balcony beams, the end portions of the top stress bars are exposed out of the reserved notches, the connecting piece is arranged in the reserved notches, and the anchoring steel bars, the connecting piece, the top stress bars and the connecting piece are fixedly connected through the fastener.
On the basis of the scheme, in another improved scheme, the connecting piece comprises a bottom plate and two side plates, the two side plates are vertically connected with the bottom plate and located at two ends of the same side of the bottom plate, and the anchoring reinforcing steel bars and the top stress bars respectively penetrate through the two side plates.
On the basis of the scheme, in another improved scheme, a vertical stiffening plate is further arranged between the two side plates, and two ends of the vertical stiffening plate are fixedly connected with the two side plates respectively.
On the basis of the scheme, in another improved scheme, the fastener comprises a nut and gaskets, the gaskets are arranged on the surfaces of the two sides of the side plates, and the anchoring reinforcing steel bars and the top stress bars respectively penetrate through the two side plates and then are in threaded connection with the nut.
On the basis of the scheme, in another improved scheme, the side plate is provided with a through hole with a hole diameter larger than that of the anchoring reinforcing steel bar and the top stressing reinforcing steel bar, and the outer diameter of the gasket is larger than that of the through hole.
On the basis of the scheme, in another improved scheme, the reserved notch is poured with cast-in-place concrete, and the connecting piece is anchored in the cast-in-place concrete.
On the basis of the scheme, in another improved scheme, the cast-in-place concrete is a non-shrinkage self-compaction early strength castable.
On the basis of the scheme, in another improved scheme, the structural member is a prefabricated wall plate or a prefabricated beam or a prefabricated column.
On the basis of the scheme, in another improved scheme, waterproof glue is arranged at the joint of the prefabricated balcony and the structural member.
The technical scheme of the utility model has the beneficial technical effects that:
the prefabricated assembly type balcony connecting node is free of support during construction and high in installation efficiency; the connection is simple and quick; the structure has definite force transfer and good mechanical property; the prefabrication rate is high and can reach more than 95 percent; the post-cast shrinkage-free self-compacting early-strength castable for the connection node area has better durability and bearing capacity.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic structural view of a prefabricated assembly balcony connecting node according to the present invention;
FIG. 2 is a schematic structural view of a prefabricated assembly balcony according to the present invention;
FIG. 3 is a schematic perspective view of a connector according to the present invention;
fig. 4 is a perspective view of the structural members and balcony beams of the present invention prior to assembly.
Reference numerals:
1-prefabricated assembly type balcony 2-connecting piece 3-nut
4-structural member 5-anchoring reinforcing steel bar 6-balcony beam
7-balcony plate 8-top stress rib 9-gasket
10-bottom plate 11-side plate 12-vertical stiffening plate
13-reserve notch 14-pass hole
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Referring to the schematic drawings of fig. 1 to 4, the connection node of the prefabricated assembly type balcony 1 in the embodiment includes a prefabricated assembly type balcony 1, a connection member 2, a fastener and a structural member 4, an anchoring reinforcement 5 is embedded in an end surface of the structural member 4 connected to the prefabricated assembly type balcony 1, and an end portion of the anchoring reinforcement 5 is exposed out of a surface of the structural member 4, the prefabricated assembly type balcony 1 includes a balcony slab 7 and a balcony beam 6, the two balcony beams 6 are respectively and fixedly connected to a side surface of the balcony slab 7, a reserved notch 13 is formed in an end portion of the balcony beam 6 connected to the structural member 4, a top stress rib 8 is embedded in the balcony beam 6, an end portion of the top stress rib 8 is exposed out of the reserved notch 13, the connection member 2 is placed in the reserved notch 13, and the anchoring reinforcement 5 is connected and fixed to the connection member 2, and the top stress rib 8 and the connection member 2 through the fastener. In the present embodiment, the structural member 4 is a precast beam; in other embodiments, the structural members 4 may be other vertical prefabricated members, such as prefabricated wall panels or prefabricated columns.
Referring to the schematic diagram of fig. 3, on the basis of the above embodiment, in another modified embodiment, the connecting member 2 includes a bottom plate 10 and two side plates 11, wherein the two side plates 11 are both connected to the bottom plate 10 perpendicularly and located at two ends of the same side of the bottom plate 10, and the anchoring bar 5 and the top stressing bar 8 respectively penetrate through the two side plates 11.
Referring to the schematic diagram of fig. 3, on the basis of the above embodiment, in another modified embodiment, a vertical stiffening plate 12 is further disposed between the two side plates 11, and both ends of the vertical stiffening plate 12 are fixedly connected to the two side plates 11, respectively.
Referring to the schematic illustration of fig. 1, on the basis of the above embodiment, in another modified embodiment, the fastener comprises a nut 3 and a gasket 9, the gasket 9 is arranged on the two side surfaces of a side plate 11, and the anchoring bar 5 and the top stress bar 8 are respectively threaded with the nut 3 after penetrating through the two side plates 11. Nuts 3 are respectively arranged on two sides of the side plate 11, a gasket 9 is arranged between the nut 3 and the side plate 11, and the anchoring steel bar 5 and the top stress bar 8 are connected with the nuts 3; carry out certain protection to connecting piece 2 through setting up gasket 9, and guarantee that can not take place to slide behind anchor reinforcing bar 5 and the top atress muscle 8 and the 11 fastening connections of curb plate.
Referring to the schematic illustration of fig. 3, on the basis of the above embodiment, in another modified embodiment, the side plate 11 is provided with a through hole 14 having a diameter larger than the diameter of the anchoring bar 5 and the top stressing bar 8, and the outer diameter of the spacer 9 is larger than the diameter of the through hole 14. Set up like this, anchor reinforcing bar 5 and top atress muscle 8 are smooth when can be easy to assemble pass curb plate 11, and through placing gasket 9 in the both sides of curb plate 11, the diameter of gasket 9 is greater than the diameter of clearing hole 14, guarantees that nut 3 fastens anchor reinforcing bar 5 and top atress muscle 8 on curb plate 11.
In a further improved embodiment, which is based on the above-described embodiment and is illustrated in fig. 1, the preliminary rebate 13 is cast with cast-in-place concrete in which the connecting element 2 is anchored. In another improved embodiment, the cast-in-place concrete is a shrinkage-free self-compacting early strength castable, so that the construction efficiency can be improved, and the connecting piece 2 can be prevented from being corroded.
On the basis of the above embodiment, in another improved embodiment, the seam between the prefabricated balcony 1 and the structural member 4 is provided with waterproof glue.
Referring to the schematic drawings of fig. 1 to 4, the construction steps of the connecting joint of the prefabricated balcony 1 according to an embodiment will be briefly described:
(1) the prefabricated assembly type balcony 1 is produced, a notch 13 is reserved at the end face of a balcony beam 6, a top stress rib 8 of the balcony beam 6 extends into the reserved notch 13, and the end part of the top stress rib 8 extending out of the reserved notch 13 is provided with threads; producing a precast beam, embedding an anchoring steel bar 5 on the precast beam, wherein the end part of the anchoring steel bar 5 extending out of the precast beam is provided with a thread; the connecting piece 2 is produced, the connecting piece 2 is of a steel structure and comprises a bottom plate 10, vertical stiffening plates 12 and side plates 11, through holes 14 are formed in corresponding positions of the side plates 11, the distance between the through holes 14 in the two side plates 11 is the same as the distance between the anchoring steel bars 5 and the distance between the top stressing bars 8, and the diameter of each through hole 14 is larger than that of each top stressing bar 8 and each embedded anchoring steel bar 5;
(2) hoisting and positioning the precast beam, and fastening one end of the connecting piece 2 on the top stress rib 8 of the reserved notch 13 of the balcony beam 6 through the nut 3 and the gasket 9;
(3) hoisting the prefabricated balcony 1, enabling the other end of the connecting piece 2 to penetrate through the anchoring steel bar 5 extending out of the prefabricated beam, and fastening the anchoring steel bar through the nut 3 and the gasket 9; the fixing of the connecting piece 2 is completed, the side end part of the balcony beam 6 of the prefabricated assembly type balcony 1 is pressed on the prefabricated beam, the prefabricated balcony and the wall or the beam are reliably connected at the moment, and the force transmission path is as follows: the tensile stress at the top of the balcony beam 6 is transmitted into the precast beam through the connecting piece 2 and the anchoring steel bar 5, and the compressive stress at the bottom of the balcony beam 6 is directly transmitted to the wall or the beam through the precast beam side bottom surface concrete;
(4) pouring a non-shrinkage self-compacting early-strength castable at the reserved notch 13 of the balcony beam 6; and (3) building waterproof glue is applied to the joint of the prefabricated balcony 1 and the prefabricated beam, or other waterproof measures are taken.
The connecting joint of the prefabricated assembly type balcony 1 is free of support during construction, after the prefabricated assembly type balcony 1 is hoisted, the connecting piece 2 is connected with the anchoring steel bar 5 in the prefabricated beam, and then the hoisting device is loosened, so that the mounting efficiency is high; the connecting piece 2 has simple structure, simple and quick installation, definite structural force transfer and good mechanical property; the prefabrication rate is high and can reach more than 95 percent; the post-cast shrinkage-free self-compacting early-strength castable for the connection node area avoids corrosion of the connecting piece 2, and the durability and the bearing capacity of the structure are better.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The connecting joint of the prefabricated balcony is characterized by comprising the prefabricated balcony, a connecting piece, a fastener and a structural piece, wherein anchoring steel bars are pre-embedded in the end face of the structural piece connected with the prefabricated balcony, the end portions of the anchoring steel bars are exposed out of the surface of the structural piece, the prefabricated balcony comprises a balcony board and two balcony beams, the two balcony beams are fixedly connected with the side face of the balcony board respectively, reserved notches are formed in the end portions of the balcony beams connected with the structural piece, top stress bars are pre-embedded in the balcony beams, the end portions of the top stress bars are exposed out of the reserved notches, the connecting piece is arranged in the reserved notches, and the anchoring steel bars, the connecting piece, the top stress bars and the connecting piece are fixedly connected through the fastener.
2. The prefabricated balcony connecting node according to claim 1, wherein the connecting member includes a bottom plate and two side plates, the two side plates are perpendicularly connected to the bottom plate and located at both ends of the same side of the bottom plate, and the anchoring reinforcement bar and the top stress bar pass through the two side plates, respectively.
3. The connecting node of a prefabricated balcony according to claim 2, wherein a vertical stiffening plate is further disposed between the two side plates, and both ends of the vertical stiffening plate are fixedly connected to the two side plates, respectively.
4. The prefabricated balcony connecting node according to claim 2, wherein the fastening member includes a nut and a gasket, the gasket is disposed on both side surfaces of the side plates, and the anchoring reinforcement and the top stress reinforcement are threaded with the nut after passing through the two side plates, respectively.
5. The prefabricated balcony connection node according to claim 4, wherein the side plates are provided with passing holes having a diameter larger than that of the anchoring bars and the top stressing bars, and the spacers have an outer diameter larger than that of the passing holes.
6. A prefabricated balcony connection node according to any one of claims 1-5, wherein the rebate is cast with cast in place concrete in which the connection element is anchored.
7. The prefabricated balcony connection node according to claim 6, wherein the cast-in-place concrete is a non-shrink self-compacting early strength castable.
8. A prefabricated balcony connection node according to claim 6, wherein said structural members are prefabricated wall panels or prefabricated beams or prefabricated columns.
9. The prefabricated balcony connection node of claim 6, wherein a waterproof glue is provided at a seam between the prefabricated balcony and the structural member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809196.0U CN215977655U (en) | 2021-08-04 | 2021-08-04 | Connecting joint of prefabricated assembly type balcony |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809196.0U CN215977655U (en) | 2021-08-04 | 2021-08-04 | Connecting joint of prefabricated assembly type balcony |
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| Publication Number | Publication Date |
|---|---|
| CN215977655U true CN215977655U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121809196.0U Active CN215977655U (en) | 2021-08-04 | 2021-08-04 | Connecting joint of prefabricated assembly type balcony |
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| CN (1) | CN215977655U (en) |
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2021
- 2021-08-04 CN CN202121809196.0U patent/CN215977655U/en active Active
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