CN214220330U - Connecting joint of structural beam and outdoor steel stair - Google Patents
Connecting joint of structural beam and outdoor steel stair Download PDFInfo
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- CN214220330U CN214220330U CN202022629218.7U CN202022629218U CN214220330U CN 214220330 U CN214220330 U CN 214220330U CN 202022629218 U CN202022629218 U CN 202022629218U CN 214220330 U CN214220330 U CN 214220330U
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Abstract
The utility model discloses a connecting joint of a structural beam and an outdoor steel stair, which comprises a ladder column, a concrete beam and a first connecting piece, wherein the ladder column is fixedly connected with the concrete beam through the first connecting piece; the first connecting piece comprises a bottom plate fixedly connected with the concrete beam, an H-shaped connecting plate fixedly connected with the bottom plate and an external steel plate fixedly connected with the H-shaped connecting plate, the external steel plate is fixedly connected with the ladder column, and an intermediate supporting plate is fixedly connected with the middle of the H-shaped connecting plate. The utility model discloses a connecting piece is connected outdoor steel stair's ladder post and concrete beam, has increased the side direction support of ladder post, has reduced the calculation length of ladder post, has increased the rigidity of component, can effectively reduce the cross sectional dimension of component. Consequently the utility model provides a connected node all has the improvement to the aspect of the structural rationality and the reduction cost of adding steel stair.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a connected node of structure roof beam and outdoor steel stair.
Background
At present, due to the shortage of fire-fighting evacuation distance or width of a building or the change of the use function of an indoor space, an outdoor steel stair is often required to be arranged as an emergency fire-fighting stair and other stairs with various purposes. However, when the outdoor steel stairway is high, the vertical member of the stairway is deformed greatly, the section of the steel member is required to be enlarged frequently, and economic waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connected node of structure roof beam and outdoor steel stair to solve the problem that above-mentioned prior art exists.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a connecting joint of a structural beam and an outdoor steel stair, which comprises a ladder column, a concrete beam and a first connecting piece, wherein the ladder column is fixedly connected with the concrete beam through the first connecting piece; the first connecting piece comprises a bottom plate fixedly connected with the concrete beam, an H-shaped connecting plate fixedly connected with the bottom plate and an external steel plate fixedly connected with the H-shaped connecting plate, the external steel plate is fixedly connected with the ladder column, and an intermediate supporting plate is fixedly connected with the middle of the H-shaped connecting plate.
Preferably, fixedly connected with second connecting piece on the ladder post, H type connecting plate and external steel sheet all with second connecting piece fixed connection.
Preferably, the H-shaped connecting plate is formed by welding two longitudinal rectangular steel plates and one transverse rectangular steel plate, the external steel plate is fixedly connected with the longitudinal rectangular steel plates, and the middle supporting plate is fixedly connected to the transverse rectangular steel plate.
Preferably, the second connecting piece comprises a splicing part fixedly embedded with the external steel plate and the longitudinal rectangular steel plate and a connecting part fixedly connected with the ladder post, and the splicing part is symmetrically fixed on two sides of the connecting part.
Preferably, the bottom plate is provided with an anchor bolt hole, and the bottom plate is fixedly connected with the concrete beam through an anchor bolt.
Preferably, the cross section of the ladder column is square, and the ladder column is formed by welding four rectangular steel plates.
The utility model discloses a following technological effect: the utility model discloses a connecting piece is connected outdoor steel stair's ladder post and concrete beam, has increased the side direction support of ladder post, has reduced the calculation length of ladder post, has increased the rigidity of component, can effectively reduce the cross sectional dimension of component. Consequently the utility model provides a connected node all has the improvement to the aspect of the structural rationality and the reduction cost of adding steel stair.
The connection node provided by the utility model is carried out after the main structure is settled, so the vertical force action of the connecting piece is not obvious; in addition, the additional steel stair has the characteristics of light self weight, high strength and the like, so that the original structural member attached to the connecting node does not need to be reinforced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only 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 schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic structural view of a second connector;
the steel-concrete composite beam comprises 1-ladder columns, 2-concrete beams, 3-H-shaped connecting plates, 4-external steel plates, 5-anchor bolts, 6-middle supporting plates, 7-bottom plates, 8-longitudinal rectangular steel plates, 9-transverse rectangular steel plates, 10-anchor bolt holes, 11-splicing parts and 12-connecting parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a connecting joint of a structural beam and an outdoor steel stair, which comprises a ladder column 1, a concrete beam 2 and a first connecting piece, wherein the ladder column 1 is fixedly connected with the concrete beam 2 through the first connecting piece; the first connecting piece comprises a bottom plate 7 fixedly connected with the concrete beam 2, an H-shaped connecting plate 3 fixedly connected with the bottom plate 7 and an external steel plate 4 fixedly connected with the H-shaped connecting plate 3, the external steel plate 4 is fixedly connected with the ladder column 1, and the middle part of the H-shaped connecting plate 3 is fixedly connected with a middle supporting plate 6; the H-shaped connecting plate 3 is formed by welding two longitudinal rectangular steel plates 8 and one transverse rectangular steel plate 9, the external steel plate 4 is fixedly connected with the longitudinal rectangular steel plates 8, and the middle supporting plate 6 is fixedly connected to the transverse rectangular steel plate 9; the bottom plate 7 is provided with an anchor bolt hole 10, and the bottom plate 7 is fixedly connected with the concrete beam 2 through an anchor bolt 5; the cross section of the ladder post 1 is square, and the ladder post 1 is formed by welding four rectangular steel plates.
The utility model provides a connected node of structure roof beam and outdoor steel stair when using, at first carry out being connected of bottom plate 7 and concrete beam 2, but anchor bolt 5 of connection usefulness is pre-buried in concrete beam 2, also can punch the anchor after the main part construction is accomplished and go into. The damage to the original structure should be avoided when adopting the anchor that punches after the adoption to go into the construction, and all holes that pass former component all should adopt mechanical drilling, should use infrared ray reinforcing bar apparatus to visit out the reinforcing bar position before drilling earlier. The workability of construction is also considered. The first connecting piece should select the rectangle steel sheet size according to concrete beam 2 and 1 size of ladder post, should weld by skilled welders in the workshop when conditional to do corresponding rust-resistant processing. Ladder post 1 and H type connecting plate 3 carry out welded connection through external steel sheet 4, all adopt fillet weld trilateral full weld when external steel sheet 4 and H type connecting plate 3's vertical rectangle steel sheet 8 and ladder post 1 welding.
According to the further optimized scheme, in order to improve the connection effect of the ladder post 1 and the connecting piece, a second connecting piece is fixedly connected to the ladder post 1, and the H-shaped connecting plate 3 and the external steel plate 4 are fixedly connected with the second connecting piece; the second connecting piece comprises a splicing part 11 fixedly embedded with the external steel plate 4 and the longitudinal rectangular steel plate 8 and a connecting part 12 fixedly connected with the ladder post 1, and the splicing part 11 is symmetrically fixed on two sides of the connecting part 12.
First connecting piece is connected the back with terraced post 1, relies on external steel sheet 4 to be connected between terraced post 1 and the H connecting plate only, and welding strength between H connecting plate and the terraced post 1 is limited, consequently the not fine connection effect between assurance concrete beam 2 and the terraced post 1. Therefore, the second connecting piece is fixedly connected to the ladder post 1, the first connecting piece is coated by the splicing part 11 of the second connecting piece, and the contact area between the first connecting piece and the ladder post 1 is increased by the connecting part 12 of the second connecting piece, so that the connection effect between the ladder post 1 and the H connecting plate is improved on the whole.
The utility model discloses a connecting piece is connected the ladder post 1 and the concrete beam 2 of outdoor steel stair, has increased ladder post 1's side direction and has supported, has reduced ladder post 1's calculation length, has increased the rigidity of component, can effectively reduce the cross sectional dimension of component. Consequently the utility model provides a connected node all has the improvement to the aspect of the structural rationality and the reduction cost of adding steel stair.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. A connecting joint of a structural beam and an outdoor steel stair is characterized by comprising a ladder column (1), a concrete beam (2) and a first connecting piece, wherein the ladder column (1) is fixedly connected with the concrete beam (2) through the first connecting piece; the first connecting piece include with concrete beam (2) fixed connection's bottom plate (7), with bottom plate (7) fixed connection's H type connecting plate (3) and with H type connecting plate (3) fixed connection's external steel sheet (4), external steel sheet (4) with ladder post (1) fixed connection, H type connecting plate (3) middle part fixedly connected with intermediate support board (6).
2. The connection node of the structural beam and the outdoor steel staircase according to claim 1, characterized in that: fixedly connected with second connecting piece on ladder post (1), H type connecting plate (3) and external steel sheet (4) all with second connecting piece fixed connection.
3. The connection node of the structural beam and the outdoor steel staircase according to claim 2, characterized in that: the H-shaped connecting plate (3) is formed by welding two longitudinal rectangular steel plates (8) and a transverse rectangular steel plate (9), the external steel plate (4) is fixedly connected with the longitudinal rectangular steel plates (8), and the middle supporting plate (6) is fixedly connected onto the transverse rectangular steel plate (9).
4. A connection node of a structural beam and an outdoor steel staircase according to claim 3, characterized in that: the second connecting piece comprises a splicing part (11) fixedly embedded with the external steel plate (4) and the longitudinal rectangular steel plate (8) and a connecting part (12) fixedly connected with the ladder column (1), and the splicing part (11) is symmetrically fixed on two sides of the connecting part (12).
5. The connection node of the structural beam and the outdoor steel staircase according to claim 1, characterized in that: the concrete beam is characterized in that an anchor bolt hole (10) is formed in the bottom plate (7), and the bottom plate (7) is fixedly connected with the concrete beam (2) through an anchor bolt (5).
6. The connection node of the structural beam and the outdoor steel staircase according to claim 1, characterized in that: the cross section of the ladder column (1) is square, and the ladder column (1) is formed by welding four rectangular steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022629218.7U CN214220330U (en) | 2020-11-13 | 2020-11-13 | Connecting joint of structural beam and outdoor steel stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022629218.7U CN214220330U (en) | 2020-11-13 | 2020-11-13 | Connecting joint of structural beam and outdoor steel stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214220330U true CN214220330U (en) | 2021-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022629218.7U Active CN214220330U (en) | 2020-11-13 | 2020-11-13 | Connecting joint of structural beam and outdoor steel stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214220330U (en) |
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2020
- 2020-11-13 CN CN202022629218.7U patent/CN214220330U/en active Active
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