Recyclable steel structure stair for building construction
By introducing a combination of lifting screws and protective plates into the steel structure staircase, the handrail spacing can be adjusted, solving the safety hazards of traditional steel structure staircases and achieving safety protection for construction workers and convenience for cargo handling.
Patent Information
- Application Number
- CN202422690213.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The handrail spacing of traditional reusable steel structure staircases is too large, resulting in a lack of protection for construction workers when walking, posing a safety hazard and making them prone to falls.
A reversible steel structure staircase for building construction was designed, which adopts a combination structure of steel supports, steps, handrails, lifting screws and guard plates. The handrail spacing can be adjusted by rotating the lifting screws to fill gaps and increase safety.
It effectively reduces the risk of construction workers falling on the stairs, providing better safety protection, and the handrail spacing can be adjusted when needed to facilitate the turning of goods.
Smart Images
Figure CN223661456U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of building construction, concretely relates to a building construction is with turnover type steel structure stair. BACKGROUND
[0002] The temporary stair of house building is widely used in the place needing temporary traffic such as construction site, activity place, it provides the convenient traffic mode for construction personnel, and also ensures the safety of personnel when going up and down the stair.
[0003] The traditional turnover type steel structure stair is made by adopting channel steel and patterned steel plate welding, after the steel structure stair is made, it is placed on the finished product prefabricated concrete finished product stair which has been installed, then the steel structure stair is fixed through fastener and steel pipe, to prevent the steel structure stair from shaking.
[0004] In the prior art, the steel structure stair is placed on the finished product prefabricated concrete finished product stair which has been installed, and then is fixed through fastener and steel pipe, but the steel structure stair is generally not only suitable for the traffic of construction personnel, but also needs to be used for carrying goods, so the distance between the handrails installed on the steel structure stair is relatively far, to facilitate turning when carrying goods, although this setting is convenient for carrying goods, but there is a great safety hazard, because the distance between the handrails is relatively large, when the construction personnel walks on the steel structure stair, accidentally slides, the handrail protection is lacked, which leads to the construction personnel falling from the gap between the handrails, thereby causing the occurrence of safety accidents. SUMMARY
[0005] The utility model aims at providing a building construction is with turnover type steel structure stair, solves the following technical problem:
[0006] The distance between the handrails installed on the steel structure stair is too large, when the construction personnel walks, accidentally slides, the handrail protection is lacked, thereby causing falling on the steel structure stair, and the occurrence of safety accidents.
[0007] The purpose of the utility model can be realized by the following technical scheme:
[0008] A building construction is with turnover type steel structure stair, including steel support, fixedly connected with step on the steel support, fixedly connected with handrail on the steel support, the handrail is provided with two, and symmetrically arranged on the steel support, fixedly connected with first lifting block on the steel support, rotatably connected with lifting lead screw on the top of first lifting block, rotatably connected with connecting block on the lifting lead screw, fixedly connected with protective plate on the end of connecting block.
[0009] Further, the sliding groove is formed in the steel support, and the protective plate penetrates the sliding groove.
[0010] Further, the steel support is fixedly connected with a fixed block on one side; a plurality of fixed blocks are arranged equidistantly on the steel support; a support column is slidably connected to the fixed block; a fixed hole is formed in the fixed block; a fixed screw rod is slidably connected in the fixed hole; and a fixed nut is rotatably connected to one end of the fixed screw rod.
[0011] Further, the support column is fixedly connected with a limiting block below the fixed block; and a support block is fixedly connected to the support column.
[0012] Further, a second lifting block is fixedly connected to the handrail; and the lifting screw rod penetrates the second lifting block.
[0013] Further, a plurality of steps are arranged equidistantly on the steel support; an anti-skid block is fixedly connected to the step; and a plurality of anti-skid blocks are arranged equidistantly on the step.
[0014] Further, a sewage discharge hole is formed in the step; and a plurality of sewage discharge holes are arranged equidistantly on the step.
[0015] The present utility model has the advantages of:
[0016] (1) The lifting screw rod is manually rotated to drive the connecting block and the protective plate to ascend or descend, the ascending connecting block and protective plate fill the gaps between the handrails, and the construction personnel will not fall down when walking on the stairs composed of the steel support and the steps. BRIEF DESCRIPTION OF DRAWINGS
[0017] The present utility model will be further described below with reference to the drawings.
[0018] Figure 1 It is a right perspective view of the present utility model;
[0019] Figure 2 It is a sectional view of the fixed block in the present utility model;
[0020] Figure 3 It is Figure 2 It is an enlarged view of A in the present utility model;
[0021] Figure 4 It is a sectional view of the steel support in the present utility model;
[0022] Figure 5 It is a front perspective view of the present utility model.
[0023] BRIEF DESCRIPTION OF DRAWINGS:1, steel support; 2, step; 3, pollution hole; 4, anti-skid block; 5, support column; 6, support block; 7, handrail; 8, fixed block; 9, fixed screw rod; 10, fixed nut; 11, limiting block; 12, guard plate; 13, first lifting block; 14, connecting block; 15, second lifting block; 16, lifting screw rod; 17, sliding groove; 18, fixed hole. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Please refer to Figures 1-5 The utility model discloses a kind of turnover type steel structure stair for building construction, including steel support 1;The steel support 1 is fixedly connected with step 2;The steel support 1 is fixedly connected with handrail 7;The handrail 7 is provided with two, and symmetrically arranged on steel support 1;The steel support 1 is fixedly connected with first lifting block 13;The first lifting block 13 top is rotatably connected with lifting screw rod 16;The lifting screw rod 16 is rotatably connected with connecting block 14;The connecting block 14 end is fixedly connected with guard plate 12;
[0026] By manually rotating lifting screw rod 16, lifting screw rod 16 drives connecting block 14 and guard plate 12 to ascend or descend, and the connecting block 14 and the guard plate 12 that ascend fill the gap between the handrails 7, so that the construction personnel can walk on the stairs composed of the steel support 1 and the step 2 without falling down due to the large distance between the handrails 7, and when carrying goods, the lifting screw rod 16 can be manually rotated to drive the connecting block 14 and the guard plate 12 to descend, leaving a distance for turning.
[0027] Please refer to the drawings Figure 2 , Figure 3 and Figure 4 Specifically, the steel support 1 is provided with a sliding groove 17;The guard plate 12 penetrates the sliding groove 17;When working, the sliding groove 17 opened on the steel support 1 allows the guard plate 12 to move freely when ascending or descending, and the guard plate 12 is not restricted from moving up and down due to the obstruction of the steel support 1.
[0028] Please refer to the drawingsFigure 1 、 Figure 2 and Figure 3 As shown in the drawings, specifically, the steel support 1 is fixedly connected with a fixed block 8 on one side; the fixed block 8 is provided with a plurality of fixed blocks and is equidistantly arranged on the steel support 1; the fixed block 8 is slidably connected with a support column 5; the fixed block 8 is provided with a fixed hole 18; the fixed hole 18 is slidably connected with a fixed screw rod 9; one end of the fixed screw rod 9 is rotatably connected with a fixed nut 10; during operation, the support column 5 is inserted into the fixed block 8, and then the fixed screw rod 9 is inserted into the fixed block 8, the fixed screw rod 9 penetrates the fixed block 8 and the support column 5, and then the fixed screw rod 9 is manually rotated to cooperate with the fixed nut 10 to connect the support column 5 and the fixed block 8, and the support column 5 is arranged on the finished product stair which has been installed, so that the support column 5 can support and fix the steel support 1 and the step 2.
[0029] Please refer to the drawings Figure 1 、 Figure 3 and Figure 5 As shown in the drawings, specifically, the support column 5 is fixedly connected with a limiting block 11 below the fixed block 8; the support column 5 is fixedly connected with a support block 6; during operation, the limiting block 11 is arranged on the support column 5 to avoid the steel support 1 and the step 2 from directly sliding down due to their own gravity and causing accidents when disassembling, so that the limiting block 11 arranged below can intercept and prevent the steel support 1 and the step 2 from sliding down and causing accidents, and the support block 6 is arranged to make the support columns 5 arranged on both sides of the steel support 1 become a whole, so that the support column 5 can bear more downward pressure.
[0030] Please refer to the drawings Figure 1 、 Figure 2 and Figure 5 As shown in the drawings, specifically, the handrail 7 is fixedly connected with a second lifting block 15; the lifting screw rod 16 penetrates the second lifting block 15; during operation, the second lifting block 15 arranged on the handrail 7 limits the lifting of the lifting screw rod 16, preventing the lifting screw rod 16 from shaking when manually rotating the lifting screw rod 16, so that the protective plate 12 and the connecting block 14 cannot be lifted or lowered.
[0031] Please refer to the drawings Figure 1 、 Figure 3 and Figure 5 As shown in the drawings, specifically, the step 2 is provided with a plurality of steps and is equidistantly arranged on the steel support 1; the step 2 is fixedly connected with an anti-skid block 4; the anti-skid block 4 is provided with a plurality of anti-skid blocks and is equidistantly arranged on the step 2; during operation, a plurality of steps 2 are arranged to facilitate the walking of construction personnel, and the anti-skid block 4 is arranged on the step 2 to increase the friction of the feet of the construction personnel when walking on the step 2, preventing the construction personnel from falling down when walking.
[0032] Please refer to the drawings Figure 1 、 Figure 3 and Figure 5 As shown, specifically, the step 2 is provided with a plurality of pollution holes 3 arranged equidistantly on the step 2; during work, the pollution holes 3 arranged on the step 2 are used to avoid water stains falling on the step 2 during construction, so as to cause the friction on the step 2 to decrease and make the construction personnel walking on the step 2 to be in danger.
[0033] The working principle of the utility model is as follows: the lifting screw 16 is manually rotated to drive the connecting block 14 and the protection plate 12 to ascend or descend; the ascending connecting block 14 and the protection plate 12 fill the gap between the handrails 7, so that the construction personnel walking on the stairs composed of the steel support 1 and the step 2 will not fall down due to the too large spacing between the handrails 7; when the goods need to be carried, the lifting screw 16 is manually rotated to drive the connecting block 14 and the protection plate 12 to descend, so as to leave a spacing for turning (the position and spacing of the handrails 7 and the protection plate 12 can be arranged according to the actual needs of the on-site construction, so as to facilitate the manual turning when the goods are carried).
[0034] The above embodiment of the utility model is described in detail, but the content is only the preferred embodiment of the utility model and cannot be considered to limit the implementation range of the utility model. Any equivalent change and improvement within the scope of the utility model application should still belong to the patent coverage range of the utility model.
Claims
1. A recyclable steel structure stair for construction work, characterized by, Including steel support (1), fixedly connected with step (2) on the steel support (1), fixedly connected with handrail (7) on the steel support (1), the handrail (7) is provided with two, and symmetrically arranged on the steel support (1), fixedly connected with first lifting block (13) on the steel support (1), rotatingly connected with lifting screw rod (16) on the first lifting block (13), rotatingly connected with connecting block (14) on the lifting screw rod (16), fixedly connected with guard plate (12) on the connecting block (14).
2. The recyclable steel stair for construction according to claim 1, wherein The steel support (1) is provided with sliding groove (17) on the steel support (1), the guard plate (12) penetrates the sliding groove (17).
3. The recyclable steel stair for construction according to claim 2, wherein The steel support (1) is fixedly connected with fixed block (8) on one side, the fixed block (8) is provided with a plurality of, and equidistantly arranged on the steel support (1), slidingly connected with support column (5) on the fixed block (8), fixedly connected with fixed hole (18) on the fixed block (8), slidingly connected with fixed screw rod (9) in the fixed hole (18), rotatingly connected with fixed nut (10) on one end of the fixed screw rod (9).
4. The recyclable steel stair for construction according to claim 3, wherein The support column (5) is fixedly connected with limiting block (11) below the fixed block (8), and the support column (5) is fixedly connected with support block (6).
5. The recyclable steel stair for construction according to claim 4, wherein The handrail (7) is fixedly connected with second lifting block (15), and the lifting screw rod (16) penetrates the second lifting block (15).
6. The recyclable steel stair for construction according to claim 1, wherein The step (2) is provided with a plurality of, and equidistantly arranged on the steel support (1), fixedly connected with antiskid block (4) on the step (2), the antiskid block (4) is provided with a plurality of, and equidistantly arranged on the step (2).
7. The recyclable steel stair for construction according to claim 1, wherein The step (2) is provided with a plurality of, and equidistantly arranged on the steel support (1), fixedly connected with antiskid block (4) on the step (2), the antiskid block (4) is provided with a plurality of, and equidistantly arranged on the step (2). The step (2) is provided with a plurality of, and equidistantly arranged on the steel support (1), fixedly connected with antiskid block (4) on the step (2), the antiskid block (4) is provided with a plurality of, and equidistantly arranged on the step (2).