CN215858982U - Follow-on corner support of encorbelmenting - Google Patents
Follow-on corner support of encorbelmenting Download PDFInfo
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- CN215858982U CN215858982U CN202121880873.8U CN202121880873U CN215858982U CN 215858982 U CN215858982 U CN 215858982U CN 202121880873 U CN202121880873 U CN 202121880873U CN 215858982 U CN215858982 U CN 215858982U
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Abstract
The utility model relates to the technical field of overhanging devices capable of erecting overhanging scaffolds and discloses an improved corner overhanging bracket, which comprises a corner attaching column with a horizontal wing plate and a vertical wing plate, a first vertical square steel welded at the vertex angle of the corner attaching column and a first steel beam welded at one side of the first vertical square steel, which is far away from the corner attaching column, wherein a second vertical square steel and a second steel beam are sequentially welded on the horizontal wing plate, and a third vertical square steel and a third steel beam are sequentially welded on the vertical wing plate; and a first structure stable connecting plate is arranged among the first vertical square steel, the second vertical square steel and the horizontal wing plate. The utility model increases the area of the wall corner attaching column, increases the number of the vertical square steel and steel beam structures, and increases the connecting strength between the vertical square steel and the wall corner attaching column by increasing the area of the structural stabilizing connecting plate and the number of the connecting members.
Description
Technical Field
The utility model relates to the technical field of cantilever devices capable of erecting overhanging scaffolds, in particular to an improved wall corner cantilever support.
Background
The profile steel cantilever device is an important means for ensuring the operation safety of operators on the outer wall surface by installing a peripheral protection structure of an overhanging scaffold outside a main body of a high-rise building. A common section steel cantilever device for installing an overhanging scaffold is generally provided with: the steel pipe type cantilever support, the cantilever steel beam type cantilever support, the down-bracing type steel beam cantilever support and the inclined-pulling type steel beam cantilever support are four. And when being used for the overhanging scaffold of corner department installation, only can use the support of encorbelmenting of drawing the formula girder steel to one side.
Although the oblique pull type steel beam cantilever bracket can be installed on the structure corner, the oblique pull type steel beam cantilever bracket has the following defects in installation on the structure corner: 1. the cable-stayed steel beam cantilever support has multiple structural parts, complex working procedures and slow time and material wasting progress; 2. the horizontal steel beam of the cable-stayed steel beam cantilever bracket is selected from large materials, the steel consumption is large, and the engineering cost is increased; 3. the overhanging front end of the cable-stayed steel beam cantilever support needs to be connected with a reinforced concrete structure at the upper part of a wall body by using a cable-stayed steel cable or a cable-stayed rod.
The applicant applies for an invention application with application number 202110153424.1, named as a corner support structure and a construction method, to a cable-stayed steel beam cantilever support in 2021.02.04. It discloses a wall corner support of encorbelmenting that comprises corner attached column, vertical square steel, scaffold frame spandrel girder, oblique girder steel and stable in structure connecting plate. The structure has simple structure, less accessories and just used amount, light weight and convenient installation.
However, in the actual use process, as shown in fig. 1, it is found that the size of the corner attaching column 1 in the corner cantilever support of the technical scheme is small, the corner attaching column 1 and the vertical square steel 2 are connected only through the top angle full-weld and the structural stability connecting plate 3, the connection strength between the corner attaching column 1 and the vertical square steel 2 is low, and meanwhile, the problem of inaccurate positioning during installation may exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problems of low connection strength and inaccurate positioning of the wall corner cantilever support in the prior art, the utility model provides a further improved technical scheme based on the original structure. The specific technical scheme is as follows:
an improved corner overhanging bracket comprises a corner attaching column with a horizontal wing plate and a vertical wing plate, a first vertical square steel welded at the vertex angle of the corner attaching column, and a first steel beam welded at one side of the first vertical square steel, which is far away from the corner attaching column, wherein a second vertical square steel and a second steel beam are sequentially welded on the horizontal wing plate, and a third vertical square steel and a third steel beam are sequentially welded on the vertical wing plate; a first structure stabilizing connecting plate is arranged between the first vertical square steel, the second vertical square steel and the horizontal wing plate; and a second stable-structure connecting plate is arranged between the first vertical square steel, the third vertical square steel and the vertical wing plate.
Furthermore, the corner attaching column is of an equal-section slender structure, and the cross section of the corner attaching column is a right-angled triangle.
Further, the front face of the first vertical square steel is welded with the full length of the vertex angle of the corner attaching column.
Furthermore, the first steel beam, the second steel beam and the third steel beam have the same structure, and the second steel beam and the third steel beam are symmetrically arranged along the first steel beam.
Further, first girder steel include with the perpendicular welded horizontal girder steel of first vertical square steel, one end with horizontal girder steel welding, the other end with first vertical square steel welded oblique girder steel.
Further, first girder steel still include both ends weld respectively in horizontal girder steel lower surface middle part with first bracing, both ends of girder steel upper surface middle part weld respectively in horizontal girder steel with second bracing between the first vertical square steel.
Further, first girder steel still including weld in horizontal girder steel with the reinforcing plate of first vertical square steel welding corner.
Further, the corner cantilever support is connected with the corner of the shear wall through a bolt.
Furthermore, the free end of the first steel beam is welded to the fixed ends of the second steel beam and the third steel beam through the strip-shaped section bars respectively.
Further, the support of encorbelmenting at corner evenly is provided with a plurality of first stable even boards of structure and a plurality of second stable even boards of structure along vertical direction.
The utility model has the beneficial effects that: the utility model increases the area of the wall corner attaching column, increases the number of the vertical square steel and steel beam structures, and increases the connecting strength between the vertical square steel and the wall corner attaching column by increasing the area of the structural stabilizing connecting plate and the number of the connecting members. Meanwhile, the utility model can be connected and positioned with the pre-embedded high-strength bolt through a plurality of positioning holes on the wall corner attaching column, thereby reducing the positioning precision between the structure and the shear wall in the construction process and utilizing the construction operation and the process popularization.
Drawings
Fig. 1 is a schematic structural view of a corner cantilever bracket according to the prior art.
FIG. 2 is a schematic view of a prior art steel beam of the present invention.
Fig. 3 is a schematic connection diagram of a corner cantilever according to the prior art of the present invention.
Fig. 4 is a schematic structural diagram of the first embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.
Wherein:
1-corner attaching columns;
2-vertical square steel;
3-structural stable tie sheets;
4-a steel beam; 41-horizontal steel beam; 42-an oblique steel beam; 43-a first diagonal brace; 44-a second diagonal brace; 45-a reinforcement plate;
5-high-strength screw;
6-connecting the pressing plate;
7-strip-shaped section bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be described in detail but are intended to be part of the specification where appropriate.
As shown in fig. 1, the original wall corner cantilever support comprises a wall corner attaching column 1 with a right-angled triangle cross section, vertical square steel 2 with the front surface welded with the full length of the top angle of the wall corner attaching column 1, a wing plate connected with the wall corner attaching column 1, a structural stability connecting plate 3 connected with the side surface of the vertical square steel 2, and a steel beam 4 welded on the back surface of the vertical square steel 2. The corner attaching column 1 can be made of long and thin steel with uniform sections, and the structure stabilizing connecting plates 3 can be uniformly arranged at multiple positions in the vertical direction.
The structure of girder steel 4 is as shown in fig. 2, including the horizontal girder steel 41 with the perpendicular welding of vertical square steel 2, one end and horizontal girder steel 41 welding, the other end and the oblique girder steel 42 of vertical square steel 2 welding, both ends weld respectively in the first bracing 43 in horizontal girder steel 41 lower surface middle part and oblique girder steel 42 upper surface middle part, both ends weld respectively in the second bracing 44 between horizontal girder steel 41 and vertical square steel 2, weld in the reinforcing plate 45 of horizontal girder steel 41 and vertical square steel 2 welding corner.
The corner encorbelment support is connected as shown in fig. 3 with the outer wall corner of shear force wall, and pre-buried screw rod 5 that excels in corner department, seted up the bolt hole on the pterygoid lamina of corner attached column 1, make the bolt hole pass high-strength screw rod 5, then pass high-strength screw rod 5 and make the vertical square steel 2 of the parallel conflict of connecting clamp plate 6 through connecting clamp plate 6, make the corner encorbelment support and shear force wall bolted connection between the corner through nut and gasket at last. The connecting pressing plate 6 is formed by welding channel steel and steel plates.
It can be seen that the bolt holes can be formed in the wing plates of the corner attaching columns 1, and accurate positioning between the high-strength screws 5 which are embedded in the corner attaching columns needs to be met. Meanwhile, the connection between the corner attaching column 1 and the vertical square steel 2 is not stable enough, and size error deviation may exist. In order to solve the problems of the prior wall corner cantilever bracket, the utility model provides an improved wall corner cantilever bracket based on the prior structure, the structure of the wall corner attaching column is shown in figure 4, which comprises a wall corner attaching column 1 with a horizontal wing plate and a vertical wing plate, a first vertical square steel with the front surface welded at the corner of the wall corner attaching column 1, a first steel beam welded with the back of the first vertical square steel, a second vertical square steel with the front welded with the horizontal wing plate of the corner attaching column, a second steel beam welded with the back of the second vertical square steel, a third vertical square steel with the front welded on the vertical wing plate of the corner attaching column 1, and a third steel beam welded with the back of the third vertical square steel, a first structurally stable connecting plate welded with the first vertical square steel, the second vertical square steel and the horizontal wing plate, and a second structurally stable connecting plate welded with the first vertical square steel, the third vertical square steel and the vertical wing plate. The first vertical square steel, the second vertical square steel and the third vertical square steel are the same in structure and are only different in arrangement position. The first steel beam, the second steel beam and the third steel beam are the same in structure and are only different in arrangement position. The utility model is preferably an axisymmetric structure, and is symmetrically arranged with the axis of the first steel beam.
The utility model is mainly designed to increase the area of a corner attaching column 1 and increase the connection of vertical square steel 2 and steel beam 4 structures in the horizontal direction and the vertical direction with the corner attaching column 1; with the 5 area increase of original stable in structure even board, set up stable in structure even board between three vertical square steels, increased vertical square steel and corner and adhered to the joint strength between the post 1. Meanwhile, due to the fact that the plurality of vertical square steels are arranged, the high-strength screws pre-buried in the wall surface can be adopted for fixing and constructing when the high-strength screws pre-buried in the wall corners deviate in size. Compared with the original design, the utility model increases the number of the steel beams 4 and the vertical square steel, but can greatly increase the connection strength of the structure, reduce the requirement of positioning accuracy between the structure and the shear wall and be more beneficial to construction operation.
During construction, high-strength screws 5 can be embedded in the corners, the front wall and the side walls of the shear wall, bolt holes are formed in the corner attaching columns 1, and the corner overhanging support is connected with the shear wall through the connecting pressing plate 6, the nuts and the gaskets.
Meanwhile, in the prior art, because only vertical bearing is designed, when the wind power faces to a larger lateral direction, the horizontal direction is stressed only through the high-strength screw rod 5, so that the connection strength in the horizontal direction of the structure is further increased, as shown in fig. 5, the free tail end of the first steel beam is welded to the fixed ends of the second steel beam and the third steel beam through the strip-shaped section 7 respectively.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An improved corner cantilever support comprises a corner attaching column with a horizontal wing plate and a vertical wing plate, a first vertical square steel welded at the vertex angle of the corner attaching column, and a first steel beam welded at one side, far away from the corner attaching column, of the first vertical square steel, and is characterized in that a second vertical square steel and a second steel beam are sequentially welded on the horizontal wing plate, and a third vertical square steel and a third steel beam are sequentially welded on the vertical wing plate; a first structure stabilizing connecting plate is arranged between the first vertical square steel, the second vertical square steel and the horizontal wing plate; and a second stable-structure connecting plate is arranged between the first vertical square steel, the third vertical square steel and the vertical wing plate.
2. The corner cantilever bracket of claim 1, wherein the corner attachment post is a uniform section elongated structure having a right triangle cross section.
3. The corner cantilever bracket of claim 2, wherein the front face of the first vertical square steel is welded to the top corner of the corner attachment post over the full length.
4. The corner cantilever according to claim 1, wherein the first steel beam, the second steel beam and the third steel beam have the same structure, and the second steel beam and the third steel beam are symmetrically arranged along the first steel beam.
5. The corner cantilever according to claim 4, wherein the first steel beam comprises a horizontal steel beam welded perpendicularly to the first vertical square steel, and an oblique steel beam welded at one end to the horizontal steel beam and at the other end to the first vertical square steel.
6. The corner cantilever bracket according to claim 5, wherein the first steel beam further comprises a first diagonal brace with two ends respectively welded to the middle of the lower surface of the horizontal steel beam and the middle of the upper surface of the oblique steel beam, and a second diagonal brace with two ends respectively welded between the horizontal steel beam and the first vertical square steel.
7. The corner cantilever bracket of claim 6, wherein the first steel beam further comprises a reinforcing plate welded at the welded corners of the horizontal steel beam and the first vertical square steel.
8. The corner cantilever according to any one of claims 1 to 7, wherein the corner cantilever is bolted to a corner of a shear wall.
9. The corner cantilever according to claim 8, wherein the free end of the first steel beam is welded to the fixed ends of the second and third steel beams by a bar-shaped profile, respectively.
10. The corner cantilever bracket of claim 9, wherein the corner cantilever bracket is uniformly provided with a plurality of first structurally stable link plates and a plurality of second structurally stable link plates in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121880873.8U CN215858982U (en) | 2021-08-12 | 2021-08-12 | Follow-on corner support of encorbelmenting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121880873.8U CN215858982U (en) | 2021-08-12 | 2021-08-12 | Follow-on corner support of encorbelmenting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215858982U true CN215858982U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121880873.8U Expired - Fee Related CN215858982U (en) | 2021-08-12 | 2021-08-12 | Follow-on corner support of encorbelmenting |
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| CN (1) | CN215858982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233967A (en) * | 2022-07-21 | 2022-10-25 | 中建八局科技建设有限公司 | Supporting device of overhanging scaffold at corner of structure and construction method thereof |
-
2021
- 2021-08-12 CN CN202121880873.8U patent/CN215858982U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233967A (en) * | 2022-07-21 | 2022-10-25 | 中建八局科技建设有限公司 | Supporting device of overhanging scaffold at corner of structure and construction method thereof |
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Granted publication date: 20220218 |
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