CN217299554U - Assembled steel structure stair - Google Patents
Assembled steel structure stair Download PDFInfo
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- CN217299554U CN217299554U CN202220417441.1U CN202220417441U CN217299554U CN 217299554 U CN217299554 U CN 217299554U CN 202220417441 U CN202220417441 U CN 202220417441U CN 217299554 U CN217299554 U CN 217299554U
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Abstract
The utility model discloses an assembled steel construction stair relates to assembly type structure technical field. The assembled steel structure stair comprises two stair arms and a multi-stage stepping structure connected in sequence, wherein the stepping structure comprises a bearing piece, a prefabricated pedal and a prefabricated support plate, and the bearing piece is arranged between the two stair arms; one end of the prefabricated pedal is arranged on the bearing piece, and the other end of the prefabricated pedal is arranged on the prefabricated support plate; the prefabricated supporting plate is arranged on the prefabricated pedal of the step structure at the previous stage. The utility model discloses assembled steel construction stair adopt standardized prefabricated component, have simplified stair structure and construction process, have improved steel construction stair's quality and efficiency of construction, and the cost is reduced has satisfied assembly type structure's designing requirement.
Description
Technical Field
The utility model relates to an assembly type structure technical field, concretely relates to assembled steel construction stair.
Background
The existing steel structure stairs basically adopt a structural form that a steel wire mesh is welded on a steel pedal, cement mortar is used for pouring, and stone or face bricks are pasted on the steel wire mesh.
Although the steel structure stair of the structure form can meet the use requirements of the steel structure stair, the problems of complex procedures, complex structure and low construction efficiency exist, and the design requirements of the fabricated building can not be met.
SUMMERY OF THE UTILITY MODEL
The more than defect to prior art exists, the utility model provides an assembled steel construction stair, this assembled steel construction stair adopt standardized prefabricated component, have simplified stair structure and construction process, have improved the quality and the efficiency of construction of stair, and the cost is reduced has satisfied the designing requirement of assembled building.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the assembled steel structure stair comprises two stair arms and a multi-stage stepping structure connected in sequence, wherein the stepping structure comprises a bearing piece, a prefabricated pedal and a prefabricated support plate, and the bearing piece is arranged between the two stair arms; one end of the prefabricated pedal is arranged on the bearing piece, and the other end of the prefabricated pedal is arranged on the prefabricated support plate; the prefabricated supporting plate is arranged on the prefabricated pedal of the step structure at the previous stage.
Wherein the prefabricated pedal is arranged on the supporting piece through a locking structure.
The locking structure comprises a locking bolt, a connecting hole is formed in the supporting piece, and the locking bolt penetrates through the connecting hole to be connected with the prefabricated pedal.
And the prefabricated support plate and the two adjacent prefabricated pedals are bonded and fixed through an adhesive.
Wherein, the same prefabricated backup pad in the structure of marking time with prefabricated footboard is integrative to be set up.
The prefabricated supporting plate comprises a first supporting portion and a second supporting portion, the first supporting portion and the second supporting portion are arranged on the prefabricated pedal of the step structure in two adjacent positions respectively, and the first supporting portion is in butt joint with the second supporting portion.
Wherein, the former stage the second supporting part and the latter stage in the structure of marking time prefabricated footboard with in the structure of marking time first supporting part an organic whole sets up.
Wherein, the both ends of ladder arm are provided with the connecting piece that is used for being connected with basis or ladder roof beam respectively.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the assembled steel structure stair provided by the utility model takes the steel skeleton formed by the ladder arms and the supporting parts as the main bearing structure, and is provided with the prefabricated pedal and the prefabricated supporting plate, so that the assembled steel structure stair has large bearing capacity and light weight, and the anti-seismic performance of the assembled steel structure stair is greatly improved; because prefabricated footboard and prefabricated backup pad are standard prefabricated component, consequently, simplified stair structure and construction process, improved the quality and the efficiency of construction of stair greatly, the cost is reduced has satisfied assembly type structure's design requirement.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of the assembled steel structure stair of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the ladder arm and the bearers of FIG. 2;
FIG. 4 is a schematic structural view of a second embodiment of the assembled steel structure stair of the present invention;
FIG. 5 is a schematic structural view of a third embodiment of the assembled steel structure staircase according to the present invention;
FIG. 6 is a schematic structural view of a fourth embodiment of the assembled steel structure staircase according to the present invention;
in the figure: 1. a ladder arm; 2. a support member; 21. connecting holes; 3. prefabricating a pedal; 4. prefabricating a support plate; 41. a first support section; 42. a second support portion; 5. locking the bolt; 6. a foundation; 7. a ladder beam; 8. a first connecting member; 9. a second connecting member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The first embodiment is as follows:
as shown in fig. 1 to 3, the assembled steel structure stair comprises two ladder arms 1 and a multi-step structure connected in sequence, wherein the step structure comprises a bearing part 2, a prefabricated pedal 3 and a prefabricated support plate 4, and the bearing part 2 is arranged between the two ladder arms 1; one end of the prefabricated pedal 3 is arranged on the bearing piece 2, and the other end of the prefabricated pedal 3 is arranged on the prefabricated support plate 4; the prefabricated support plate 4 is arranged on the prefabricated pedal 3 of the previous step structure.
The prefabricated pedal 3 in the embodiment is arranged on the bearing piece 2 through a locking structure, and the prefabricated support plate 4 and two adjacent prefabricated pedals 3 are bonded and fixed through an adhesive.
Specifically, the locking structure is a locking bolt 5, a connecting hole 21 is formed in the supporting piece 2, and the locking bolt 5 penetrates through the connecting hole 21 to be connected with the prefabricated pedal 3.
In this embodiment, the two ends of the ladder arm 1 are respectively provided with a connecting piece for connecting with the foundation 6 or the ladder beam 7.
Specifically, the connecting piece of ladder arm 1 upper end is first connecting piece 8, and the connecting piece of ladder arm 1 lower extreme is second connecting piece 9, and first connecting piece 8 and second connecting piece 9 all set up the inboard at ladder arm 1, and of course, first connecting piece 8 and second connecting piece 9 also can set up the outside at ladder arm 1, specifically set up according to actual need, and this embodiment does not do the restriction to this.
In the embodiment, the first connecting piece 8 is connected to the ladder beam 7 through a bolt; the second connecting member 9 is welded to the foundation 6, and the prefabricated support plate 4 at the lower end of the ladder arm 1 is also connected to the foundation 6. Of course, if the assembly type steel structure stairway is located at the middle level, the second connecting member 9 at the lower end of the ladder arm 1 and the prefabricated support plate 4 are connected to the corresponding ladder beam 7.
The ladder beam 7 in this embodiment adopts the girder steel, and in practical application, the ladder beam 7 also can adopt the concrete beam.
The ladder arm 1 in the embodiment can be made of steel plates, channel steel, H-shaped steel, rectangular tubes and the like; the supporting piece 2 can adopt angle steel, channel steel, rectangular pipes, steel plates and the like; the first connecting piece 8 and the second connecting piece 9 can be angle steel, channel steel, steel plates, rectangular pipes and the like.
The prefabricated pedal 3 and the prefabricated support plate 4 in the embodiment are both standard prefabricated components, wherein the prefabricated pedal 3 can be stone, wood, glass, wood-plastic plates, concrete prefabricated plates, lightweight aggregate concrete prefabricated plates and the like; the prefabricated support plate 4 can adopt stone, wood-plastic plates, concrete prefabricated plates, lightweight aggregate concrete prefabricated plates and the like; when the prefabricated footboard 3 and the prefabricated backup pad 4 adopt different materials, can adopt corresponding binder to bond, or increase mechanical mortise and tenon joint measure, when prefabricated footboard 3 and prefabricated backup pad 4 adopt the stone material, can adopt the stone material to glue as the binder, glue prefabricated footboard 3 and prefabricated backup pad 4 through the stone material and bond.
Example two:
the present embodiment is substantially the same as the first embodiment, and the difference is only that:
as shown in FIG. 4, in this embodiment, the prefabricated step 3 and the prefabricated support plate 4 in the same step structure are integrally arranged in an L shape, and when in use, the prefabricated step 3 is arranged above and the prefabricated support plate 4 is arranged below.
Example three:
the present embodiment is substantially the same as the second embodiment, and the difference is only that:
as shown in FIG. 5, in use, the present embodiment has the prefabricated step 3 on the bottom and the prefabricated support plate 4 on the top.
Example four:
the present embodiment is substantially the same as the first embodiment, and the difference is only that:
as shown in fig. 6, the prefabricated support plate in this embodiment includes a first support portion 41 and a second support portion 42, the first support portion 41 and the second support portion 42 are respectively disposed on the prefabricated step boards 3 of the adjacent two-step structure, and the first support portion 41 and the second support portion 42 are butted by the stone glue.
In order to further improve the connection strength between the prefabricated step panel 3 and the prefabricated support plate 4, it is preferable that the second support portion 42 in the previous step structure is integrally provided with the prefabricated step panel 3 and the first support portion 41 in the subsequent step structure.
It is above only that the utility model discloses four embodiments of assembled steel construction stair, there are more embodiments and do not do the repeated description here.
According to the four embodiments, the steel framework formed by the ladder arms and the bearing pieces is used as the main bearing structure, and the prefabricated pedals and the prefabricated supporting plates are matched, so that the anti-seismic performance of the assembled steel structure stair is greatly improved; through adopting prefabricated components of standards such as prefabricated step boards, prefabricated support plates and the like, the stair structure and the construction process are simplified, the quality and the construction efficiency of the stair are improved, the cost is reduced, and the design requirements of the fabricated building are met.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative efforts from the above conception, and all of them fall within the protection scope of the present invention.
Claims (8)
1. An assembled steel structure stair is characterized by comprising two stair arms and a multi-stage step structure connected in sequence,
the step structure comprises a bearing piece, a prefabricated pedal and a prefabricated support plate, wherein the bearing piece is arranged between the two ladder arms; one end of the prefabricated pedal is arranged on the bearing piece, and the other end of the prefabricated pedal is arranged on the prefabricated support plate; the prefabricated supporting plate is arranged on the prefabricated pedal of the step structure at the previous stage.
2. The fabricated steel structure staircase of claim 1, wherein the prefabricated tread boards are provided on the bearers by locking structures.
3. The assembled steel structure stair of claim 2, wherein the locking structure comprises a locking bolt, the support member is provided with a connecting hole, and the locking bolt passes through the connecting hole to be connected with the prefabricated step plate.
4. The assembled steel structure stair of claim 1, wherein the prefabricated support plate is adhesively secured to two adjacent prefabricated tread plates by an adhesive.
5. The assembly type steel structure stairway according to claim 1, wherein the prefabricated support plates in the same step structure are provided integrally with the prefabricated step boards.
6. The fabricated steel structure stair of claim 1, wherein the prefabricated support plate comprises a first support portion and a second support portion, the first support portion and the second support portion are respectively disposed on the prefabricated tread plates of two adjacent step structures, and the first support portion is butted against the second support portion.
7. The fabricated steel structure staircase of claim 6, wherein the second support portion of the step structure of the previous stage is integrally provided with the prefabricated step and the first support portion of the step structure of the subsequent stage.
8. The assembled steel structure staircase of claim 1, wherein the ladder arms are provided at both ends thereof with connection members for connection with a foundation or a ladder beam, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220417441.1U CN217299554U (en) | 2022-02-28 | 2022-02-28 | Assembled steel structure stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220417441.1U CN217299554U (en) | 2022-02-28 | 2022-02-28 | Assembled steel structure stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217299554U true CN217299554U (en) | 2022-08-26 |
Family
ID=82935198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220417441.1U Active CN217299554U (en) | 2022-02-28 | 2022-02-28 | Assembled steel structure stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217299554U (en) |
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2022
- 2022-02-28 CN CN202220417441.1U patent/CN217299554U/en active Active
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