Staircase edge construction safety protection device
By designing a stairwell construction safety protection device including brackets, sliding columns, fixed columns, protective nets and motors, the difficulty of installation and disassembly of existing devices is solved, rapid installation and removal is achieved, construction efficiency is improved, and rapid replacement of protective nets is supported, which reduces safety risks and maintenance difficulties.
Patent Information
- Application Number
- CN202420419023.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-05
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-05
AI Technical Summary
The existing stairwell side construction safety protection devices have difficulties in installation and disassembly, which is time-consuming and labor-intensive, affects construction efficiency, and may not be able to evacuate quickly in an emergency, and the device is easily damaged but difficult to maintain.
A safety protection device for construction on the stairwell including brackets, sliding columns, fixed columns, protective nets and motors is designed. The bolts are driven to rotate through the motor to drive the fixing plate to slide, and the clamping plate clamps the protective nets to achieve rapid installation and removal.
It realizes rapid installation and removal, improves construction efficiency, and can quickly replace the protective net, reducing safety risks and maintenance difficulties.
Smart Images

Figure CN222558171U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a safety protection device for edge construction of a staircase. Background Art
[0002] During the construction process, stairwells are important passages and escape exits, but they are also areas with higher safety risks. If the edges of the stairwells are not effectively protected, serious safety accidents may occur. Existing safety protection devices for stairwell edge construction often have the problem of insufficient stability, which is prone to shaking or displacement, and cannot effectively fix workers and equipment. Existing safety protection devices are difficult to install and disassemble, which is time-consuming and labor-intensive, affecting construction efficiency. In an emergency, it may not be possible to evacuate quickly. At the same time, the device is easy to damage, but it is difficult to maintain. The inability to repair or replace it in time increases the safety risk, so it is necessary to use a safety protection device for stairwell edge construction.
[0003] After searching, the publication number CN216616950U disclosed a safety protection device for the edge of a staircase, "including: two side uprights arranged in parallel on the left and right, three first cross bars arranged equidistantly in the horizontal direction are fixedly connected to the middle of the front side of the two side uprights, and the second cross bar is fixedly connected to the upper end of the front side of the two side uprights, and the left and right ends of the second cross bar protrude from the left and right side uprights respectively, and the left and right ends of the upper side of the second cross bar are symmetrically provided with fixing mechanisms. Before the installation of the utility model, it is necessary to pre-embed the embedded steel bars at the set position (edge) on the staircase floor. During the installation, the vertical pipe of the device is aligned with the embedded steel bars and inserted, and the embedded steel bars are fixed with the fastening mechanism. The utility model can achieve rapid installation, thereby greatly improving the construction efficiency, and the device can be quickly dismantled, which is convenient for transfer to the upper floor for continued use and turnover use."
[0004] In the above application, before installation, it is necessary to pre-embed the embedded steel bars at the set position (edge) on the staircase floor. During installation, the vertical pipe of the device is aligned with the embedded steel bars and inserted, and the embedded steel bars are fixed with a fastening mechanism. Quick installation can be achieved, and the device can be quickly dismantled, which is convenient for transfer to the next floor for continued use and turnover. However, when constructing at the edge, it is more troublesome to insert the embedded steel bars under construction, thereby reducing construction efficiency, and it is more troublesome to remove the steel bars. Utility Model Content
[0005] In order to remedy the above deficiencies, the utility model provides a safety protection device for staircase edge construction, aiming to improve the problem that the safety protection device for staircase edge construction cannot be quickly installed and used when needed.
[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a safety protection device for staircase edge construction, comprising a bracket, an outer wall of the bracket is fixedly connected to a first base, an outer wall of the first base is fixedly connected to a first sliding column, an outer wall of the first base is fixedly connected to a fixed column, an inner part of the fixed column is slidably connected to a protective net, an outer wall of the first sliding column is slidably connected to a second fixed plate, an outer wall of the bracket is fixedly connected to a second base, an upper surface of the second base is fixedly connected to a motor, an output end of the motor is fixedly connected to a bolt, an outer wall of the bolt is threadedly connected to the first fixed plate, an outer wall of the first fixed plate is fixedly connected to a first rotating shaft, and an outer wall of the first rotating shaft is provided with a clamping assembly.
[0007] Preferably, the clamping assembly includes a clamping plate, the outer wall of the clamping plate is rotatably connected to the inner wall of the first rotating shaft, a sliding groove is opened inside the clamping plate, a second sliding column is arranged inside the clamping plate, the outer wall of the second sliding column is slidably connected to the inner wall of the sliding groove, a spring is installed inside the clamping plate, one end of the spring is fixedly connected to the inner wall of the clamping plate, the other end of the spring is fixedly connected to a sliding block, the outer wall of the sliding block is slidably connected to the outer wall of the protective net, and the outer wall of the protective net is slidably connected to the inner wall of the clamping plate.
[0008] Preferably, the inner wall of the fixing column is slidably connected to a threaded rod, the inner wall of the fixing column is slidably connected to a thrust column, and the outer wall of the threaded rod is fixedly connected to the outer wall of the thrust column.
[0009] Preferably, a clamp is threadedly connected to the outer wall of the threaded rod, and a tensioner is fixedly connected to the outer wall of the threaded rod.
[0010] Preferably, the inner wall of the threaded rod is slidably connected to a third sliding column, and the outer walls of the third sliding column are slidably connected to the inner walls of the fixed column, the protective net and the thrust column.
[0011] Preferably, the inner wall of the thrust column is slidably connected with a spring column, and one end of the spring column is slidably connected to the outer wall of the third sliding column.
[0012] Preferably, the inner wall of the third sliding column is rotatably connected to a second rotating shaft, and the outer wall of the second rotating shaft is rotatably connected to a buckle.
[0013] Preferably, the outer wall of the buckle is rotatably connected to the inner wall of the thrust column.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the bolt is driven to rotate by a driving motor, so that the first fixed plate slides up and down on the bolt, and the second fixed plate slides up and down on the first sliding column. The protective net is fixed by the clamping plate on the first rotating shaft of the first fixed plate and the second fixed plate, and the lower fixed column, so that the protective net is clamped to achieve the effect of sliding the protective net up and down, so that it can be quickly installed and used.
[0016] 2. In the utility model, the sliding block is squeezed inward by spring rebound, and then the thrust column is pushed toward the fixed column and the protective net. When the thrust column is pushed toward the fixed column and the protective net and reaches a suitable position, the buckle pops out automatically, and the clamp is rotated to fix the protective net. When the protective net needs to be replaced, the buckle is pressed to enter the thrust column, and the tensioner is pulled from the back to separate the fixed column from the protective net. The second sliding column of the clamping plate above the protective net is slid outward to drive the sliding block outward, thereby removing the protective net, thereby achieving the effect of rapid replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a three-dimensional diagram of a safety protection device for staircase edge construction proposed by the utility model;
[0018] Figure 2 This is a cross-sectional view of a threaded rod of a staircase edge construction safety protection device proposed by the utility model;
[0019] Figure 3 The utility model provides a cross-sectional view of a sliding block of a safety protection device for staircase edge construction.
[0020] Legend:
[0021] 1. Bracket; 2. First base; 3. Second base; 4. Motor; 5. Bolt; 6. First fixed plate; 7. First sliding column; 8. Second fixed plate; 9. Fixed column; 10. Protective net; 11. First rotating shaft; 12. Clamping plate; 13. Second sliding column; 14. Sliding groove; 15. Sliding block; 16. Spring; 17. Threaded rod; 18. Clamp; 19. Third sliding column; 20. Tensioner; 21. Thrust column; 22. Spring column; 23. Buckle; 24. Second rotating shaft. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Reference Figure 1-3 The utility model provides an embodiment: a safety protection device for staircase edge construction, including a bracket 1, the outer wall of the bracket 1 is fixedly connected to a first base 2, the outer wall of the first base 2 is fixedly connected to a first sliding column 7, the outer wall of the first base 2 is fixedly connected to a fixed column 9, the inner part of the fixed column 9 is slidably connected to a protective net 10, the outer wall of the first sliding column 7 is slidably connected to a second fixed plate 8, the outer wall of the bracket 1 is fixedly connected to a second base 3, the upper surface of the second base 3 is fixedly connected to a motor 4, the output end of the motor 4 is fixedly connected to a bolt 5, the outer wall of the bolt 5 is threadedly connected to a first fixed plate 6, and the outer wall of the first fixed plate 6 is fixedly connected to a first The rotating shaft 11, the outer wall of the first rotating shaft 11 is provided with a clamping assembly, the clamping assembly includes a clamping plate 12, the outer wall of the clamping plate 12 is rotatably connected to the inner wall of the first rotating shaft 11, the interior of the clamping plate 12 is provided with a sliding groove 14, the interior of the clamping plate 12 is provided with a second sliding column 13, the outer wall of the second sliding column 13 is slidably connected to the inner wall of the sliding groove 14, a spring 16 is installed inside the clamping plate 12, one end of the spring 16 is fixedly connected to the inner wall of the clamping plate 12, the other end of the spring 16 is fixedly connected to a sliding block 15, the outer wall of the sliding block 15 is slidably connected to the outer wall of the protective net 10, and the outer wall of the protective net 10 is slidably connected to the inner wall of the clamping plate 12;
[0024] Specifically, the bracket 1 is connected to the first base 2 and the second base 3, so that the bracket 1 has a supporting and fixing effect on the first base 2 and the second base 3, and is connected to the second fixed plate 8 through the first sliding column 7. The first sliding column 7 has a rotation limiting effect on the second fixed plate 8. It is connected to the bolt 5 through the motor 4, and then the motor 4 drives the bolt 5 to rotate, so that the bolt 5 drives the first fixed plate 6 to slide up and down during the rotation. It is connected to the first rotating shaft 11 through the clamping plate 12, and the clamping plate 12 clamps the protective net 10, thereby driving the protective net 10 to have a lifting effect.
[0025] Reference Figure 1-2 The inner wall of the fixed column 9 is slidably connected with a threaded rod 17, the inner wall of the fixed column 9 is slidably connected with a thrust column 21, and the outer wall of the threaded rod 17 is fixedly connected to the outer wall of the thrust column 21; the outer wall of the threaded rod 17 is threadedly connected with a clamp 18, the outer wall of the threaded rod 17 is fixedly connected with a tensioner 20, the inner wall of the threaded rod 17 is slidably connected with a third sliding column 19, and the outer walls of the third sliding column 19 are all slidably connected to the inner walls of the fixed column 9, the protective net 10 and the thrust column 21;
[0026] Specifically, the clamp 18 is connected to the threaded rod 17 , and then the clamp 18 is threadedly connected to the threaded rod 17 , and then the threaded rod 17 is connected to the tensioner 20 , and then the tensioner 20 has a pulling effect on the threaded rod 17 .
[0027] Reference Figure 3The inner wall of the thrust column 21 is slidably connected with a spring column 22, one end of the spring column 22 is slidably connected to the outer wall of the third sliding column 19, the inner wall of the third sliding column 19 is rotatably connected with a second rotating shaft 24, the outer wall of the second rotating shaft 24 is rotatably connected with a buckle 23, and the outer wall of the buckle 23 is rotatably connected to the inner wall of the thrust column 21;
[0028] Specifically, the spring column 22 is connected to the third sliding column 19 , so that the spring column 22 has a rebound effect on the third sliding column 19 , and is connected to the second rotating shaft 24 through the buckle 23 , so that the second rotating shaft 24 has a rotation effect on the buckle 23 .
[0029] Working principle: When the device is needed, the motor 4 on the second base 3 is started to drive the bolt 5 to rotate, so that the first fixed plate 6 slides up and down, and the first sliding column 7 on the first base 2 has a sliding restriction effect on the second fixed plate 8. The first rotating shaft 11 on the first fixed plate 6 and the second fixed plate 8 is connected to the clamping plate 12, and the second sliding column 13 inside the sliding clamping plate 12 is combined with the sliding block 15 through the elastic force of the spring 16, and the thrust column 21 is passed inward through the fixed column 9 and the protective net 10. When it reaches the appropriate position, the buckle 23 automatically pops out through the second rotating shaft 24, thereby clamping the thrust column 21 on the outside of the fixed column 9 and on the threaded rod 17. The rotating clamp 18 is directed toward the fixed column 9 to fix the protective net 10, thereby causing the protective net 10 to slide up and down. When the protective net 10 needs to be removed, the second sliding column 13 is slid outward in the sliding groove 14, driving the sliding block 15 to squeeze the spring 16 outward, and the buckle 23 is pressed and rotated through the second rotating shaft 24 to merge with the thrust column 21. At the same time, the third sliding column 19 squeezes the spring column 22 inward, and pulls the tensioner 20 outward, thereby pulling the protective net 10 out from the fixed column 9. The device can not only achieve the up and down sliding effect of the protective net 10, thereby quickly installing and using it, but also achieve the effect of quickly replacing the consumable protective net 10.
[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A safety protection device for staircase edge construction, comprising a bracket (1), characterized in that: The outer wall of the bracket (1) is fixedly connected to a first base (2), the outer wall of the first base (2) is fixedly connected to a first sliding column (7), the outer wall of the first base (2) is fixedly connected to a fixing column (9), the interior of the fixing column (9) is slidably connected to a protective net (10), the outer wall of the first sliding column (7) is slidably connected to a second fixing plate (8), the outer wall of the bracket (1) is fixedly connected to a second base (3), the upper surface of the second base (3) is fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to a bolt (5), the outer wall of the bolt (5) is threadedly connected to the first fixing plate (6), the outer wall of the first fixing plate (6) is fixedly connected to a first rotating shaft (11), and the outer wall of the first rotating shaft (11) is provided with a clamping assembly.
2. A safety protection device for staircase edge construction according to claim 1, characterized in that: The clamping assembly comprises a clamping plate (12), the outer wall of the clamping plate (12) is rotatably connected to the inner wall of the first rotating shaft (11), a sliding groove (14) is provided inside the clamping plate (12), a second sliding column (13) is provided inside the clamping plate (12), the outer wall of the second sliding column (13) is slidably connected to the inner wall of the sliding groove (14), a spring (16) is installed inside the clamping plate (12), one end of the spring (16) is fixedly connected to the inner wall of the clamping plate (12), and the other end of the spring (16) is fixedly connected to a sliding block (15), the outer wall of the sliding block (15) is slidably connected to the outer wall of the protective net (10), and the outer wall of the protective net (10) is slidably connected to the inner wall of the clamping plate (12).
3. A safety protection device for staircase edge construction according to claim 1, characterized in that: The inner wall of the fixing column (9) is slidably connected to a threaded rod (17), the inner wall of the fixing column (9) is slidably connected to a thrust column (21), and the outer wall of the threaded rod (17) is fixedly connected to the outer wall of the thrust column (21).
4. A staircase edge construction safety protection device according to claim 3, characterized in that: The outer wall of the threaded rod (17) is threadedly connected to a clamp (18), and the outer wall of the threaded rod (17) is fixedly connected to a tensioner (20).
5. A safety protection device for staircase edge construction according to claim 4, characterized in that: The inner wall of the threaded rod (17) is slidably connected to a third sliding column (19), and the outer wall of the third sliding column (19) is slidably connected to the inner walls of the fixed column (9), the protective net (10) and the thrust column (21).
6. A safety protection device for staircase edge construction according to claim 5, characterized in that: The inner wall of the thrust column (21) is slidably connected to a spring column (22), and one end of the spring column (22) is slidably connected to the outer wall of the third sliding column (19).
7. A safety protection device for staircase edge construction according to claim 5, characterized in that: The inner wall of the third sliding column (19) is rotatably connected to a second rotating shaft (24), and the outer wall of the second rotating shaft (24) is rotatably connected to a buckle (23).
8. A safety protection device for staircase edge construction according to claim 7, characterized in that: The outer wall of the buckle (23) is rotatably connected to the inner wall of the thrust column (21).
Citation Information
Patent Citations
Edge safety protection device of staircase
CN216616950U