Stair corner steel structure
By setting up a multi-layer support platform in the stair angle steel structure, the problems of long construction period, unstable structure and difficult welding in the existing technology are solved, and the effects of short construction period, stable structure and convenient welding are achieved.
Patent Information
- Application Number
- CN202420584900.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The existing stair angle steel structure has a long construction period, an unstable structure, and a large welding task and high difficulty, resulting in a low upper load bearing limit and a strong sense of shaking.
A stair angle steel structure including the first stair steel plate, a rectangular steel plate and a second stair steel plate is designed. By providing a first inclined support platform, a rectangular body support platform, a support column platform and a second inclined support platform, a multi-layer support structure is provided to improve structural stability and welding convenience.
The construction period is shortened, the structure is stable and firm, the welding difficulty and task volume is reduced, the load-bearing capacity is improved, and the swaying feeling is reduced.
Smart Images
Figure CN222879086U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel structures, in particular to a staircase corner steel structure. Background Art
[0002] In architectural design, there are many demands for temporary staircases between two adjacent floors. Compared with traditional cement concrete stairs, steel structure stairs have a shorter construction period, a firm structure, and are connected by welding. At present, some staircase corner steel structures save steel by installing support columns on the wall, so that there is no support structure between the staircase corner steel structure and the ground, but people will feel shaking when walking on the stairs, and the upper limit of the load-bearing capacity is not high. In addition, some staircase corner steel structures have many structural parts, a large amount of welding work, and high welding difficulty.
[0003] To this end, those skilled in the art provide a staircase angle steel structure to solve the problems raised in the above background technology. Utility Model Content
[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a staircase corner steel structure.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stair corner steel structure, including a first stair steel plate and a second stair steel plate, a rectangular steel plate is arranged between the first stair steel plate and the second stair steel plate, a first inclined support platform for supporting the first stair steel plate is arranged below the first stair steel plate, the first inclined support platform includes a first support plate and a second support plate, a rectangular support platform for supporting is arranged below the rectangular steel plate, the rectangular support platform includes a horizontal square tube and a vertical square tube, a second inclined support platform and a support column platform are arranged below the second stair steel plate, the support column platform includes a cylinder and a bottom plate, and the second inclined support platform has the same structure as the first inclined support platform.
[0006] Preferably, the first support plate and the second support plate are right triangles of the same size, and the inclined surfaces of the first support plate and the second support plate are fixed to the bottom end of the first stair steel plate by welding.
[0007] Preferably, the first support plate and the second support plate are parallel to each other, and three first connecting columns are fixedly connected between the first support plate and the second support plate by welding, and the three first connecting columns are located at three corners of the first support plate.
[0008] Preferably, the horizontal square tube is a hollow rectangular body, four horizontal square tubes are welded into a rectangular frame, there are two rectangular frames, the two rectangular frames are parallel to each other, and the vertical square tubes are fixed by welding to the four corners of the two rectangular frames close to one side wall.
[0009] Preferably, the second inclined support platform is arranged below the second stair steel plate, and the bottom end of the second inclined support platform is fixedly connected to a pad by welding.
[0010] Preferably, the top end of the cylinder is fixedly connected to the base plate by welding, there are four cylinders, and one end of the cylinder away from the base plate is fixedly connected to the base plate.
[0011] Preferably, the bottom plate is in a "U" shape, a second connecting column is fixedly connected between the bottom plates, and one end of the bottom plate is fixedly connected to the horizontal square tube.
[0012] The utility model provides a staircase corner steel structure, which has the following beneficial effects:
[0013] (1) This kind of stair corner steel structure can support the stairs by arranging a first inclined support platform, a rectangular support platform, a support column platform and a second inclined support platform under the first stair steel plate, the rectangular steel plate and the second stair steel plate. The construction period is short and the structure is firm. The first inclined support platform includes the first support plate and the second support plate. The inclined surfaces of the first support plate and the second support plate can support the first stair steel plate. The triangular structure is stable and the first stair steel plate is not easy to shake. The rectangular steel plate can be supported by arranging a rectangular support platform. The second stair steel plate can be supported by arranging a second inclined support platform. The second inclined support platform can be supported by arranging a support column platform under the second inclined support platform, thereby ensuring the stability of the second stair steel plate. The second inclined support platform has the same structure as the first inclined support platform, and the processing and welding processes are more convenient.
[0014] (2) In this staircase corner steel structure, the horizontal square tube is a hollow rectangular body. Four horizontal square tubes are welded into a rectangular frame. A vertical square tube is welded between two rectangular frames. Multiple horizontal square tubes and vertical square tubes form a cubic frame to support the rectangular steel plate.
[0015] (3) This kind of stair corner steel structure is connected by welding a pad fixedly connected at the bottom end of the second inclined support platform. The pad increases the force-bearing area. A circular column is fixedly connected below the pad. The circular column supports the second inclined support platform. The stability of the structure is increased by fixing the second connecting column between the two bottom plates. One end of the bottom plate is fixedly connected to the horizontal square tube to further improve the firmness of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional structural schematic diagram of a staircase corner steel structure of the utility model;
[0017] Figure 2 This is a rear view schematic diagram of a staircase corner steel structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of a first inclined support platform of a staircase corner steel structure of the utility model;
[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of a rectangular support platform of a staircase corner steel structure of the utility model;
[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of a support column platform and a second inclined support platform of a stair corner steel structure of the utility model.
[0021] Legend:
[0022] 10. First stair steel plate; 11. Rectangular steel plate; 12. Second stair steel plate; 13. First inclined support platform; 14. Rectangular support platform; 15. Support column platform; 16. Second inclined support platform; 17. First support plate; 18. Second support plate; 19. First connecting column; 20. Horizontal square tube; 21. Vertical square tube; 22. Pad; 23. Cylinder; 24. Bottom plate; 25. Second connecting column. DETAILED DESCRIPTION
[0023] like Figure 1-5 As shown: a staircase corner steel structure, including a first staircase steel plate 10 and a second staircase steel plate 12, a rectangular steel plate 11 is arranged between the first staircase steel plate 10 and the second staircase steel plate 12, a first inclined support platform 13 supporting the first staircase steel plate 10 is arranged below the first staircase steel plate 10, the first inclined support platform 13 includes a first support plate 17 and a second support plate 18, a rectangular support platform 14 supporting the first staircase steel plate 10 is arranged below the rectangular steel plate 11, the rectangular support platform 14 includes a horizontal square tube 20 and a vertical square tube 21, a second inclined support platform 16 and a support column platform 15 are arranged below the second staircase steel plate 12, the support column platform 15 includes a cylinder 23 and a bottom plate 24, and the second inclined support platform 16 has the same structure as the first inclined support platform 13. The first support plate 17 and the second support plate 18 are right-angled triangles of the same size, and the inclined surfaces of the first support plate 17 and the second support plate 18 are fixed to the bottom end of the first staircase steel plate 10 by welding.
[0024] Specifically, by arranging the first inclined support platform 13, the rectangular support platform 14, the support column platform 15 and the second inclined support platform 16 below the first stair steel plate 10, the rectangular steel plate 11 and the second stair steel plate 12, a supporting effect can be played on the stairs, the construction period is short and the structure is firm, by arranging the first inclined support platform 13 including the first support plate 17 and the second support plate 18, the inclined surfaces of the first support plate 17 and the second support plate 18 can support the first stair steel plate 10, the triangular structure has stability, and the first stair steel plate 10 is not easy to shake, by arranging the rectangular support platform 14, the rectangular steel plate 11 can be supported, by arranging the second inclined support platform 16, the second stair steel plate 12 can be supported, and by arranging the support column platform 15 below the second inclined support platform 16, the second inclined support platform 16 can be supported, thereby ensuring the stability of the second stair steel plate 12, the second inclined support platform 16 has the same structure as the first inclined support platform 13, and the processing and welding processes are more convenient.
[0025] The first support plate 17 and the second support plate 18 are parallel to each other. Three first connection columns 19 are fixedly connected between the first support plate 17 and the second support plate 18 by welding. The three first connection columns 19 are located at three corners of the first support plate 17 .
[0026] Specifically, the first connecting column 19 is welded and fixed between the first supporting plate 17 and the second supporting plate 18, so that the first supporting plate 17 and the second supporting plate 18 are not easy to shake, and the load-bearing effect of the first stair steel plate 10 is better.
[0027] The horizontal square tube 20 is a hollow rectangular body. Four horizontal square tubes 20 are welded into a rectangular frame. There are two rectangular frames, which are parallel to each other. The vertical square tubes 21 are fixed to the four corners of the two rectangular frames close to one side wall by welding.
[0028] Specifically, the horizontal square tube 20 is a hollow rectangular body. Four horizontal square tubes 20 are welded into a rectangular frame. A vertical square tube 21 is welded between two rectangular frames. Multiple horizontal square tubes 20 and vertical square tubes 21 form a cubic frame to support the rectangular steel plate 11.
[0029] The second inclined support platform 16 is arranged below the second stair steel plate 12, and the bottom end of the second inclined support platform 16 is fixedly connected to the pad 22 by welding. The top end of the cylinder 23 is fixedly connected to the pad 22 by welding, and there are four cylinders 23, and one end of the cylinder 23 away from the pad 22 is fixedly connected to the bottom plate 24. The bottom plate 24 is "U" shaped, and the second connecting column 25 is fixedly connected between the bottom plates 24, and one end of the bottom plate 24 is fixedly connected to the horizontal square tube 20.
[0030] Specifically, a pad 22 is fixedly connected to the bottom end of the second inclined support platform 16 by welding, and the pad 22 increases the force-bearing area. A cylinder 23 is fixedly connected below the pad 22, and the cylinder 23 supports the second inclined support platform 16. The stability of the structure is increased by fixing a second connecting column 25 between the two bottom plates 24. One end of the bottom plate 24 is fixedly connected to the horizontal square tube 20, and the firmness of the device is further improved.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A staircase corner steel structure, comprising a first staircase steel plate (10) and a second staircase steel plate (12), wherein a rectangular steel plate (11) is arranged between the first staircase steel plate (10) and the second staircase steel plate (12), characterized in that: A first inclined support platform (13) is arranged below the first stair steel plate (10) to support the first stair steel plate (10), the first inclined support platform (13) includes a first support plate (17) and a second support plate (18), a rectangular support platform (14) is arranged below the rectangular steel plate (11) to support the first stair steel plate (10), the rectangular support platform (14) includes a horizontal square tube (20) and a vertical square tube (21), a second inclined support platform (16) and a support column platform (15) are arranged below the second stair steel plate (12), the support column platform (15) includes a cylinder (23) and a bottom plate (24), and the second inclined support platform (16) has the same structure as the first inclined support platform (13).
2. The staircase angle steel structure according to claim 1 is characterized in that: The first support plate (17) and the second support plate (18) are right-angled triangles of the same size, and the inclined surfaces of the first support plate (17) and the second support plate (18) are fixed to the bottom end of the first stair steel plate (10) by welding.
3. The staircase angle steel structure according to claim 1 is characterized in that: The first support plate (17) and the second support plate (18) are parallel to each other, and three first connection columns (19) are fixedly connected between the first support plate (17) and the second support plate (18) by welding, and the three first connection columns (19) are located at three corners of the first support plate (17).
4. The staircase angle steel structure according to claim 1 is characterized in that: The horizontal square tube (20) is a hollow rectangular body. Four horizontal square tubes (20) are welded into a rectangular frame. There are two rectangular frames, which are parallel to each other. The vertical square tubes (21) are fixed to the four corners of the two rectangular frames on one side of the wall close to each other by welding.
5. The staircase angle steel structure according to claim 1 is characterized in that: The second inclined support platform (16) is arranged below the second stair steel plate (12), and the bottom end of the second inclined support platform (16) is fixedly connected to a pad (22) by welding.
6. The staircase angle steel structure according to claim 1 is characterized in that: The top end of the cylinder (23) is fixedly connected to the backing plate (22) by welding, the number of the cylinders (23) is four, and one end of the cylinder (23) away from the backing plate (22) is fixedly connected to the bottom plate (24).
7. The staircase angle steel structure according to claim 1 is characterized in that: The bottom plate (24) is in a "U" shape, a second connecting column (25) is fixedly connected between the bottom plates (24), and one end of the bottom plate (24) is fixedly connected to the horizontal square tube (20).