CN216616261U - Connecting joint of assembled cantilever beam - Google Patents
Connecting joint of assembled cantilever beam Download PDFInfo
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- CN216616261U CN216616261U CN202121809186.7U CN202121809186U CN216616261U CN 216616261 U CN216616261 U CN 216616261U CN 202121809186 U CN202121809186 U CN 202121809186U CN 216616261 U CN216616261 U CN 216616261U
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Abstract
The utility model discloses a connecting node of an assembly type cantilever beam, which comprises the assembly type cantilever beam, a connecting piece, a fastener, a reinforcing piece and a structural piece, wherein an anchoring steel bar is pre-embedded in the end surface of the structural piece connected with the assembly type cantilever beam, the end part of the anchoring steel bar is exposed out of the surface of the structural piece, a reserved notch is formed in the end part of the assembly type cantilever beam connected with the structural piece, a top stress bar is pre-embedded in the assembly type cantilever beam, the end part of the top stress bar is exposed out of the reserved notch, a containing groove is further formed in the bottom of the reserved notch, the connecting piece is arranged in the reserved notch, the anchoring steel bar, the connecting piece, the top stress bar and the connecting piece are fixedly connected through the fastener, two ends of the reinforcing piece are respectively arranged in the containing grooves of the structural piece and the assembly type cantilever beam, and cast-in-situ concrete is poured in the containing groove and the reserved notch. The connection node of the assembly type cantilever beam has definite structure force transfer and good mechanical property, and the reinforcing piece effectively enhances the bending resistance, shearing resistance and torsion resistance of the cantilever beam.
Description
Technical Field
The utility model belongs to the technical field of assembly type buildings, and particularly relates to a connecting node of an assembly type cantilever beam.
Background
Balcony, air conditioner board, large-span canopy etc. generally all need set up cantilever beam as the support as the overhanging extending structure of building, with the load through cantilever beam transmission to the building main part on. The construction site cast-in-place technology is generally adopted in the construction of cantilever beams at present, and compared with the assembly type construction technology, the site cast-in-place technology disclosed by Chinese patent document CN201821078448.5 has the defects of low production efficiency, high environmental pollution, low construction speed and the like, so that the assembly type construction technology is vigorously popularized in the field of engineering construction in China. The technical difficulty of the existing assembly type structure lies in the reliable connection technology of complex stress nodes, the complex node construction in the actual engineering is difficult, and the cantilever beam is used as a cantilever structure, the connection node is simple, so that the assembly type structure is a building structure which is very suitable for assembly type construction, and has wide application prospect.
In summary, it is desirable to provide a connection node of an assembled cantilever beam with fast installation and connection and excellent mechanical properties to solve various technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the connection node of the assembled cantilever beam is rapid in installation and connection and excellent in mechanical property, and is used for solving various technical problems in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a connecting node of an assembly type cantilever beam comprises the assembly type cantilever beam, a connecting piece, a fastener, a reinforcing piece and a structural piece, wherein an anchoring steel bar is pre-embedded in the end surface of the structural piece connected with the assembly type cantilever beam, the end part of the anchoring steel bar is exposed out of the surface of the structural piece, a reserved notch is formed in the end part of the assembly type cantilever beam connected with the structural piece, a top stress bar is pre-embedded in the assembly type cantilever beam, the end part of the top stress bar is exposed out of the reserved notch, a containing groove is further formed in the bottom of the reserved notch, the connecting piece is arranged in the reserved notch, the anchoring steel bar, the connecting piece, the top stress bar and the connecting piece are fixedly connected through the fastener, one end of the reinforcing piece is pre-embedded in the structural piece, and the other end of the reinforcing piece is arranged in the containing groove of the assembly type cantilever beam, and pouring cast-in-place concrete at the accommodating groove and the reserved groove opening.
On the basis of the scheme, in another improved scheme, the reinforcing piece comprises a body and a reinforcing rib, the body comprises a first end and a second end, and the reinforcing rib is arranged at the first end of the body; the first end of the body and the reinforcing ribs are anchored in concrete of the structural member, and the second end of the body is inserted into the accommodating groove of the assembled cantilever beam.
On the basis of the scheme, in another improved scheme, the reinforcing piece is made of a steel structure.
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 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.
The technical scheme of the utility model has the beneficial technical effects that:
the connection node of the assembly type cantilever beam has the advantages that the support is not needed during construction, and the installation efficiency is high; the cantilever beam is simple and quick in connection, clear in structural force transfer and good in mechanical property, and the bending resistance, shearing resistance and torsion resistance of the cantilever beam are effectively enhanced by arranging the reinforcing part; the prefabrication rate is high, the prefabrication rate can reach more than 95%, the post-cast shrinkage-free self-compacting early-strength castable is poured in a connection node area, and the durability and the bearing capacity of the structure are better.
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 diagram of a prefabricated mid-assembly cantilever beam according to the present invention after installation of a connection node is completed;
FIG. 2 is a schematic structural view of the fabricated cantilever beam of the present invention;
FIG. 3 is a schematic perspective view of a connector according to the present invention;
FIG. 4 is a schematic perspective view of a reinforcing member according to the present invention;
fig. 5 is a perspective view of the structural member and the fabricated cantilever beam of the present invention prior to assembly.
Reference numerals:
1-fabricated cantilever beam 2-connecting piece 3-nut
4-structural member 5-anchoring reinforcing steel bar 6-reinforcing member
7-reinforcing rib 8-top stress rib 9-gasket
10-bottom plate 11-side plate 12-vertical stiffening plate
13-receiving groove 14-through hole 15-riser
16-horizontal plate
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 5, the connection node of the assembly cantilever beam 1 in the embodiment includes an assembly cantilever beam 1, a connection member 2, a fastening member, a reinforcement member 6 and a structural member 4, an anchoring steel bar 5 is embedded in an end surface of the structural member 4 connected to the assembly cantilever beam 1, an end portion of the anchoring steel bar 5 is exposed out of the surface of the structural member 4, a reserved notch is formed in an end portion of the assembly cantilever beam 1 connected to the structural member 4, a top stressed rib 8 is embedded in the assembly cantilever beam 1, an end portion of the top stressed rib 8 is exposed out of the reserved notch, a storage groove 13 is further formed in the bottom of the reserved notch, the connection member 2 is disposed in the reserved notch, the anchoring steel bar 5 and the connection member 2, the top stressed rib 8 and the connection member 2 are all connected and fixed by the fastening member, one end of the reinforcement member 6 is embedded in the structural member 4, and the other end of the reinforcement member 6 is disposed in the storage groove 13 of the assembly cantilever beam 1, cast-in-place concrete is poured at the accommodating groove 13 and the reserved notch.
On the basis of the above scheme, in another improved scheme, in the 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 illustration of fig. 4, in a further modified embodiment, on the basis of the above embodiment, the reinforcing member 6 comprises a body and a reinforcing rib 7, the body comprises a first end and a second end, the reinforcing rib 7 is arranged at the first end of the body; the first end of the body and the reinforcing ribs 7 are anchored in the concrete of the structural member 4, and the second end of the body is inserted into the accommodating groove 13 of the fabricated cantilever beam 1. In a further improved embodiment, the reinforcement 6 is made of steel construction.
Referring to the schematic drawings of fig. 1 and 4, in a further modified embodiment, on the basis of the above embodiment, the first end of the body and the reinforcing bars 7 are anchored in the concrete of the structural member 4, and the second end of the body is inserted into the receiving groove 13 of the fabricated cantilever beam 1. The reinforcing part 6 is of a steel structure and comprises a horizontal plate 16 and a vertical plate 15, wherein the vertical plate 15 is vertically fixed on the upper surface of the horizontal plate 16, the vertical plate 15 is arranged on the middle line of the horizontal plate 16, a hole is formed in the corresponding position of the vertical plate 15, and a reinforcing rib 7 is inserted into the hole; the arrangement can improve the strength of the reinforcing part 6 anchored in the concrete of the structural part 4, and improve the bending resistance, shearing resistance and torsion resistance of the cantilever beam which can be enhanced by arranging the reinforcing part 6.
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.
On the basis of the embodiment, in another improved embodiment, the cast-in-place concrete is a shrinkage-free self-compacting early strength castable. Therefore, the construction efficiency can be improved, and the corrosion of the connecting piece 2 can be avoided
Referring to the schematic drawings of fig. 1 to 5, the construction steps of the connection node of the fabricated cantilever beam 1 in one embodiment will be briefly described:
(1) the method comprises the following steps of (1) producing the assembly type cantilever beam 1, reserving a notch at the end face of the assembly type cantilever beam 1, arranging an inverted convex notch at the bottom of the reserved notch to form an accommodating groove 13, wherein the shape of the accommodating groove 13 is matched with that of the body of the reinforcing part 6, and the size of the accommodating groove is slightly larger than the second end of the body; the top stress rib 8 of the assembly type cantilever beam 1 extends into the reserved notch, and the end part of the top stress rib 8 extending out of the reserved notch is provided with a thread;
(2) 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;
(3) 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; embedding a first end of a reinforcing part 6 right below an anchoring steel bar 5 of the precast beam, and extending a second end of the reinforcing part 6 out of the surface of the precast beam;
(4) hoisting and positioning the precast beam, and fastening one end of the connecting piece 2 on a top stress rib 8 of a reserved notch of the assembly type cantilever beam 1 through a nut 3 and a gasket 9;
(5) hoisting the assembly type cantilever beam 1, inserting the second end of the reinforcing part 6 into the accommodating groove 13, penetrating the other end of the connecting part 2 through the anchoring steel bar 5 extending out of the precast 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 assembled cantilever beam 1 is pressed on the precast beam, the precast 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 assembly type cantilever beam 1 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 assembly type cantilever beam 1 is directly transmitted to a wall or a beam through the precast beam side bottom surface concrete;
(6) and pouring a non-shrinkage self-compaction early strength pouring material at the reserved notch of the assembled cantilever beam 1.
The connection node of the assembly type cantilever beam 1 disclosed by the utility model is free of support during construction, and the installation efficiency is high; the cantilever beam is simple and quick in connection, clear in structural force transfer and good in mechanical property, and the bending resistance, shearing resistance and torsion resistance of the cantilever beam are effectively enhanced by arranging the reinforcing part 6; the prefabrication rate is high, the prefabrication rate can reach more than 95%, the post-cast shrinkage-free self-compacting early-strength castable is poured in a connection node area, 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. A connecting node of an assembly type cantilever beam is characterized by comprising the assembly type cantilever beam, a connecting piece, a fastening piece, a reinforcing piece and a structural piece, wherein an anchoring steel bar is pre-embedded in the end face of the structural piece connected with the assembly type cantilever beam, the end part of the anchoring steel bar is exposed out of the surface of the structural piece, a reserved notch is formed in the end part of the assembly type cantilever beam connected with the structural piece, a top stress bar is pre-embedded in the assembly type cantilever beam, the end part of the top stress bar is exposed out of the reserved notch, a containing groove is further formed in the bottom of the reserved notch, the connecting piece is arranged in the reserved notch, the anchoring steel bar, the connecting piece, the top stress bar and the connecting piece are fixedly connected through the fastening piece, one end of the reinforcing piece is pre-embedded in the structural piece, and the other end of the reinforcing piece is arranged in the containing groove of the assembly type cantilever beam, and pouring cast-in-place concrete at the accommodating groove and the reserved groove opening.
2. The fabricated cantilever beam connection node of claim 1, wherein the reinforcement includes a body including a first end and a second end, and a stiffener disposed at the first end of the body; the first end of the body and the reinforcing ribs are anchored in concrete of the structural member, and the second end of the body is inserted into the accommodating groove of the assembled cantilever beam.
3. The fabricated cantilever beam connection node of claim 2, wherein the reinforcement is made of a steel structure.
4. The connection node of the fabricated cantilever beam according to any one of claims 1 to 3, wherein the connection member comprises a bottom plate and two side plates, the two side plates are both perpendicularly connected to the bottom plate and located at two ends of the same side of the bottom plate, and the anchoring steel bar and the top stress bar respectively penetrate through the two side plates.
5. The connection node of the assembly type cantilever beam according to claim 4, wherein a vertical stiffening plate is further arranged between the two side plates, and two ends of the vertical stiffening plate are respectively and fixedly connected with the two side plates.
6. The connection node of an assembled cantilever beam according to claim 4, wherein the fastener comprises a nut and a washer, the washer is disposed on both side surfaces of the side plate, and the anchoring bar and the top stress bar are threaded with the nut after passing through the two side plates, respectively.
7. The connection node of an assembled cantilever beam according to claim 6, wherein the side plate is provided with a through hole having a diameter larger than the diameter of the anchoring bar and the top stressing bar, and the outer diameter of the spacer is larger than the diameter of the through hole.
8. The fabricated cantilever beam connection node of claim 4, wherein the cast-in-place concrete is a non-shrink self-compacting early strength castable.
9. The fabricated cantilever beam connection node of claim 4, wherein the structural member is a prefabricated wall panel or a prefabricated beam or a prefabricated column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809186.7U CN216616261U (en) | 2021-08-04 | 2021-08-04 | Connecting joint of assembled cantilever beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809186.7U CN216616261U (en) | 2021-08-04 | 2021-08-04 | Connecting joint of assembled cantilever beam |
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| Publication Number | Publication Date |
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| CN216616261U true CN216616261U (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121809186.7U Active CN216616261U (en) | 2021-08-04 | 2021-08-04 | Connecting joint of assembled cantilever beam |
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- 2021-08-04 CN CN202121809186.7U patent/CN216616261U/en active Active
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