Quick assembly type safety protection system for construction elevator shaft
The rapid assembly protection system, which combines pre-embedded plastic sleeves and steel pipes, solves the problems of long construction cycle, high cost and high safety risk in traditional elevator shaft protection. It achieves rapid installation, low cost and high safety, and meets environmental protection requirements.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional elevator shaft construction and protection methods suffer from problems such as long construction cycles, high costs, significant safety risks, and poor environmental performance, making it difficult to meet the needs of efficient, safe, and economical construction.
A rapid assembly safety protection system is adopted, consisting of pre-embedded plastic sleeves, horizontal support steel pipes, fixed steel pipes, scaffold boards, and binding components. The combination of pre-embedded sleeves and steel pipes forms a stable support structure, which, together with the installation of scaffold boards and safety nets, provides an operating platform and protection.
It enables rapid installation and dismantling, reduces construction costs, improves safety and material recyclability, reduces safety hazards, and meets environmental protection requirements.
Smart Images

Figure CN224063879U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, specifically to a rapid assembly safety protection system for construction elevator shafts. Background Technology
[0002] In recent years, with the rapid development of my country's social economy, high-rise and super high-rise buildings have sprung up like mushrooms after rain. However, safety issues have become increasingly prominent during construction, especially in the elevator shaft construction phase. Because elevator shafts often have large openings, inadequate protective measures can easily lead to safety accidents, causing serious injuries or even deaths to construction workers, and inflicting great trauma on society and families.
[0003] To address this issue, traditionally, the main protective measures used during elevator shaft construction include installing safety doors and vertical scaffolding within the shaft. However, these traditional methods have several shortcomings:
[0004] Long construction period: Traditional protection methods require a lot of time for installation and dismantling, which leads to a longer construction period and affects the progress of the project.
[0005] High costs: The materials and installation costs for elevator shaft safety doors and vertical scaffolding are high, increasing construction costs. Furthermore, when the project is a high-rise building, unloading devices for the vertical scaffolding within the elevator shaft must also be considered, further increasing costs.
[0006] High safety risks: Traditional protection methods have safety hazards during installation and use, such as unstable protective doors and scaffolding collapse, which pose a serious threat to the personal safety of construction workers.
[0007] Poor environmental performance: The materials used in traditional protection methods are often difficult to reuse, resulting in resource waste and environmental pollution.
[0008] Therefore, it is necessary to provide a new type of safety protection system for construction elevator shafts to solve the problems existing in the current technology. Utility Model Content
[0009] The purpose of this utility model is to provide a quick-assembly safety protection system for construction elevator shafts, and to solve the following technical problems.
[0010] The objective of this utility model can be achieved through the following technical solutions:
[0011] A rapid assembly safety protection system for construction elevator shafts includes: multiple plastic sleeves pre-embedded in the shear wall of the elevator shaft; horizontal support steel pipes passing through the plastic sleeves; fixed steel pipes connected to the support steel pipes; scaffold boards laid on the support steel pipes; and binding members for fixing the scaffold boards to the support steel pipes; both ends of the support steel pipes extend at least 200mm beyond the outer side of the wall.
[0012] As a further embodiment of this utility model: the plastic sleeve is pre-embedded in the long side wall on both sides of the elevator shaft opening, and the distance between the bottom of the sleeve and the bottom of the floor slab is 100mm, and the distance between adjacent sleeves is no more than 1000mm.
[0013] As a further embodiment of this utility model: the depth of the support steel pipe inserted into the pre-embedded plastic sleeve is not less than 100mm, and when the wall is a shear wall, the support steel pipe does not penetrate the wall, and its inner side is connected to the wall through a fixed short steel pipe, the length of which is not less than 400mm.
[0014] As a further embodiment of this utility model: the scaffold boards are laid perpendicular to the supporting steel pipes and are fixed to the supporting steel pipes by binding with iron wire.
[0015] As a further embodiment of this utility model: a double-layer safety net is provided under the scaffold board, with a spacing of no more than 10m between the safety nets.
[0016] As a further embodiment of this utility model: the plastic sleeve is a DN75 PVC-U pipe, and it is pre-embedded in the shear wall formwork.
[0017] As a further embodiment of this utility model: the fixed steel pipe is located below the supporting steel pipe and is connected to the supporting steel pipe by a cross fastener.
[0018] As a further embodiment of this utility model: the intersection of the supporting steel pipe and the fixed steel pipe is fixed by fasteners.
[0019] As a further embodiment of this utility model, the protection system also includes a pre-embedded plastic pipe embedded in the shear wall, wherein the length of the pre-embedded plastic pipe is greater than half the thickness of the wall and does not penetrate the wall.
[0020] As a further embodiment of this utility model: the scaffolding boards can be temporarily removed and restored, and the lower-level materials can be transported through the elevator shaft opening after removal.
[0021] The beneficial effects of this utility model are:
[0022] (1) Compared with traditional construction methods, it can save labor and materials, and most of the materials can be recycled and reused, resulting in low construction costs and good economic benefits.
[0023] (2) The protective system is easy to operate during construction and can be used as an operating platform for subsequent construction processes. It is highly safe and can greatly reduce the occurrence of safety accidents, protect the personal safety of workers, and has good social benefits. Attached Figure Description
[0024] The present invention will be further described below with reference to the accompanying drawings.
[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0026] Figure 2 This is a utility model Figure 1 Schematic diagram of the cross-sectional structure along the AA direction;
[0027] Figure 3 This is a utility model Figure 1 Schematic diagram of the cross-sectional structure in the middle BB direction;
[0028] Figure 4 This is a utility model Figure 2 Enlarged structural diagram at point C;
[0029] Figure 5 This is a schematic diagram of the assembly structure of the supporting steel pipe and the shear wall of this utility model;
[0030] Figure 6 This is a utility model Figure 5 A cross-sectional structural diagram.
[0031] In the diagram: 10, shear wall; 20, floor slab; 30, supporting steel pipe; 40, scaffold board; 50, fixed steel pipe; 60, plastic sleeve; 70, shear wall; 80, embedded plastic pipe. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0033] In the description of this utility model, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this utility model. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "multiple" means two or more.
[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0035] Please see Figures 1-6 As shown, this utility model is a rapid assembly safety protection system for construction elevator shafts, including: multiple plastic sleeves 60 pre-embedded in the shear wall 10 of the elevator shaft, horizontal support steel pipes 30 passing through the plastic sleeves 60, fixed steel pipes 50 connected to the support steel pipes 30, scaffold boards 40 laid on the support steel pipes 30, and binding members for fixing the scaffold boards 40 to the support steel pipes 30; both ends of the support steel pipes 30 extend at least 200mm beyond the outer side of the wall.
[0036] In an optional embodiment, the plastic sleeve 60 is pre-embedded in the long side wall on both sides of the elevator shaft opening, and the distance between the bottom of the sleeve and the bottom of the floor slab 20 is 100mm, and the distance between adjacent sleeves is no more than 1000mm.
[0037] It should be noted that by optimizing the stress distribution, the wall cracks caused by concentrated stress on the sleeve can be avoided, and standardized construction can be facilitated at the same time.
[0038] In an optional embodiment, the depth to which the supporting steel pipe 30 is inserted into the pre-embedded plastic sleeve 60 is not less than 100mm, and when the wall is a shear wall 70, the supporting steel pipe 30 does not penetrate the wall, and its inner side is connected to the wall through a fixed short steel pipe, the length of which is not less than 400mm.
[0039] It should be noted that the insertion depth of the supporting steel pipe 30 is ≥100mm, and a fixed short steel pipe is added to the inner side of the shear wall 70, which can effectively prevent the steel pipe from slipping, enhance the connection stability of the shear wall, and avoid wall leakage.
[0040] In an optional embodiment, the scaffold plank 40 is laid perpendicular to the supporting steel pipe 30 and is fixed to the supporting steel pipe 30 by wire.
[0041] It should be noted that the scaffold plank 40 is fixed to the supporting steel pipe 30 by iron wire, which increases the friction between the scaffold plank 40 and the steel pipe, prevents slippage, and ensures the safety of construction personnel.
[0042] In an optional embodiment, a double-layer safety net is provided below the scaffold board 40, with a spacing of no more than 10m between the safety nets.
[0043] It should be noted that the bottom protection against falling objects reduces the risk of working at heights and complies with safety regulations.
[0044] In an optional embodiment, the plastic sleeve 60 is a DN75 PVC-U pipe and is pre-embedded in the shear wall 10 template.
[0045] It should be noted that the plastic sleeve 0 uses DN75 PVC-U pipe, which is corrosion-resistant, low-cost, and fits tightly with the steel pipe, reducing installation errors.
[0046] In an optional embodiment, the fixed steel pipe 50 is located below the supporting steel pipe 30 and is connected to the supporting steel pipe 30 by a cross fastener.
[0047] In an optional embodiment, the intersection of the supporting steel pipe 30 and the fixed steel pipe 50 is fixed by fasteners to form a rigid support node, thereby enhancing the overall structural stability.
[0048] In an optional embodiment, the protection system further includes a pre-embedded plastic pipe 80 embedded in the shear wall 70. The pre-embedded plastic pipe 80 is longer than half the wall thickness and does not penetrate the wall, so as to avoid damaging the waterproof layer of the exterior wall and provide sufficient anchoring force.
[0049] In an optional embodiment, the scaffold planks 40 can be temporarily removed and restored. After removal, the lower-level materials can be transported through the elevator shaft opening, which facilitates material transportation, reduces the amount of repeated erection and dismantling work, and improves construction flexibility.
[0050] In addition, this safety protection system also includes construction preparation steps, pre-embedding plastic sleeve steps, installing horizontal support steel pipe steps, fully laying scaffold boards and fixing steps, inspection and acceptance steps, and dismantling and recycling steps. The construction preparation steps include on-site verification of opening dimensions, selection of steel pipes and fasteners that meet specifications, and preparation of plastic sleeves 60, scaffold boards 40, and related installation tools and auxiliary materials. During the pre-embedding of plastic sleeves, different installation methods should be adopted depending on the material used for the shear wall 10. When the shear wall 10 is a shear wall 70, the supporting steel pipe 30 should be inserted into the pre-embedded plastic pipe 80 to a depth of not less than 100mm, or a fixed short steel pipe should be installed and connected on the inner side of the wall on the side penetrating the wall. The inspection and acceptance steps are used to ensure that the quality and safety of the protection system meet the specifications. The dismantling and recycling steps enable the recycling of the protection system and reduce construction costs.
[0051] The working principle of this utility model is as follows: During the construction preparation stage, the opening dimensions are verified on-site, steel pipes and fasteners that meet the specifications are selected, and plastic sleeves 60, scaffold boards 40, and related installation tools and auxiliary materials are prepared. Then, depending on the material used for the shear wall 10, different installation methods are used to pre-embed the plastic sleeves 60. Before the construction of the main structure of this floor, the steel pipes are installed by inserting them through the pre-embedded plastic sleeves 60 and connecting them with the fixed steel pipes 50 to form the supporting steel pipes 30. When installing the supporting steel pipes 30, both ends extend at least 200mm beyond the outside of the wall, and all steel pipe intersections are securely connected with steel pipe fasteners. When the shear wall 10 is a shear wall 70, additional support and fixing measures are required. Next, scaffold boards 40 are fully laid on the supporting steel pipes 30 and tied and fixed to the steel pipes with 16# iron wire. After the scaffold boards 40 are laid, a double-layer safety net is installed underneath for bottom enclosure. Before use, the installed protection system is inspected after all installations are completed. After the project is completed, the protective system will be dismantled and recycled in accordance with the principle of "first to be erected, then to be dismantled, and last to be erected, then to be dismantled".
[0052] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.
Claims
1. A rapid assembly safety protection system for a construction elevator shaft, characterized in that, The application relates to a protective system for an elevator shaft, which comprises: a plurality of plastic sleeves (60) pre-embedded on a shear wall (10) of the elevator shaft, horizontal support steel pipes (30) penetrating through the plastic sleeves (60), fixed steel pipes (50) connected with the support steel pipes (30), scaffolds (40) laid on the support steel pipes (30), and binding members for fixing the scaffolds (40) and the support steel pipes (30); the support steel pipes (30) are extended out of the wall body by not less than 200 mm at both ends. The plastic sleeves (60) are pre-embedded on the long-side wall bodies on both sides of the elevator shaft opening, and the distance between the pipe bottom and the bottom of a floor (20) is 100 mm; the distance between adjacent sleeves is not greater than 1000 mm.
2. A rapid assembly safety protection system for a construction elevator shaft according to claim 1, characterized in that: The support steel pipes (30) are inserted into the pre-embedded plastic sleeves (60) by not less than 100 mm, and when the wall body is a shear outer wall (70), the support steel pipes (30) do not penetrate the wall body, and the inner side is connected with the wall body through a fixed short steel pipe, the length of the fixed short steel pipe is not less than 400 mm.
3. A rapid assembly safety shield system for a construction elevator shaft according to claim 1, characterized in that: The scaffolds (40) are laid perpendicularly to the support steel pipes (30) and are fixed through binding with the support steel pipes (30) by iron wires.
4. A rapid assembly safety shield system for a construction elevator shaft according to claim 1, characterized in that: Double-layer safety flat nets are arranged below the scaffolds (40), and the distance between the safety flat nets is not greater than 10 m.
5. A rapid assembly safety shield system for a construction elevator shaft according to claim 1, characterized in that: The plastic sleeves (60) are DN75 PVC-U pipes and are pre-embedded in a shear wall (10) template.
6. A rapid assembly safety shield system for a construction elevator shaft according to claim 1, characterized in that: The fixed steel pipes (50) are located at the lower side of the support steel pipes (30) and are connected with the support steel pipes (30) through cross buckles.
7. A rapid assembly safety shield system for a construction elevator shaft according to claim 1, characterized in that: The intersection parts of the support steel pipes (30) and the fixed steel pipes (50) are connected and fixed through buckles.
8. A rapid assembly safety shield system for a construction elevator shaft according to claim 1, characterized in that: The protective system further comprises pre-embedded plastic pipes (80) pre-embedded in a shear outer wall (70), the length of the pre-embedded plastic pipes (80) is greater than half of the thickness of the wall body and the pre-embedded plastic pipes (80) do not penetrate the wall body.
9. A rapid assembly safety shield system for a construction elevator shaft according to claim 1, characterized in that: The scaffolds (40) can be temporarily removed and restored, and after removal, the lower-layer materials can be transported through the elevator shaft opening.
10. A rapid assembly safety protection system for a construction elevator shaft according to any one of claims 1-9, characterized in that: