A movable safety belt hanging point device for a main structure construction scaffold
By designing a movable safety belt attachment point device, the problem of where to attach safety belts during scaffolding construction was solved, providing full-process safety protection and improving construction safety and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINAN URBAN CONSTRUCTION GROUP CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-06-23
AI Technical Summary
In construction, there is nowhere to attach safety belts during scaffolding erection, especially at the top when installing supports, timber, and formwork, which poses a risk of falling from height. In addition, the installation and removal of safety belt attachment points are cumbersome, affecting construction efficiency and safety.
Design a movable safety belt attachment device for main structure construction scaffolding, including vertical poles, bearings, horizontal poles and attachment points. It can be quickly connected to the scaffolding uprights and top tray using a clamping device and a pin device, providing flexible safety belt attachment points suitable for construction stages at different heights.
This system provides safety belt anchor points throughout the scaffolding erection process, improving construction safety and efficiency, reducing worker violations, and ensuring worker safety at each stage of construction.
Smart Images

Figure CN224396097U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of construction safety, and in particular relates to a movable safety belt hanging point device for main structure construction scaffolding. Background Technology
[0002] In construction projects using scaffolding as a tool rack or load-bearing support system for concrete pouring, steel structure installation, and waterproofing material laying, the scaffolding height varies depending on the structural height. During scaffolding erection, workers can attach their safety harnesses to the horizontal bars or nodes of the scaffolding. However, because scaffolding construction involves stages such as support erection, top support installation, top timber installation, formwork laying, and adjacent work on the scaffolding, the lifeline cannot cover the entire work area. Furthermore, once the scaffolding is erected to the top, workers need to stand at the top to install the top support, timber, and formwork. At this stage, there are no attachment points for the safety harness, posing a risk of falls from height. Additionally, the installation and dismantling of safety harness attachment points at heights is cumbersome and complex, increasing overall work time. This leads to low acceptance among construction workers, resulting in some workers relying on their personal experience with working at heights and choosing not to wear safety harnesses, posing a significant safety hazard. Summary of the Invention
[0003] The problem this invention aims to solve is to overcome the shortcomings of the prior art and provide a movable safety belt hanging point device for main structure construction scaffolding.
[0004] This invention is achieved through the following technical solution:
[0005] A movable safety belt attachment device for main structure construction scaffolding includes a vertical pole with a bearing fixed at the top. The inner ring of the bearing is fixed to the vertical pole, while the outer ring of the bearing is rotatable. A horizontal bar is fixed to the outer ring of the bearing, and an attachment point is fixed to the outer end of the horizontal bar. The vertical pole is equipped with a clamping device and several pin devices from top to bottom. Both the clamping device and the pin devices include fasteners connected to the vertical pole. Each fastener is fixedly connected to a U-shaped clamping block. The upper and lower blocks of the U-shaped clamping block have corresponding threaded holes. The threaded holes of the clamping device are threaded with clamping bolts, and the threaded holes of the pin devices are threaded with screws. The diameter of the screws is smaller than the diameter of the circular holes on the disc buckle of the scaffolding.
[0006] Preferably, the diameter of the vertical pole is equal to the inner diameter of the scaffold upright.
[0007] Preferably, the hanging point is a D-ring or a rope ring.
[0008] Beneficial effects of this invention:
[0009] The device of this invention can provide effective attachment points during scaffolding construction. Throughout the entire scaffolding erection process, including the installation of the top tray after reaching the top, this device can provide attachment points for safety belts, solving the problem of where to attach safety belts.
[0010] The device of this invention can flexibly utilize scaffolding. At each level of the scaffolding erection process, including the completion of the top tray installation, the installation of square timber and templates, the device can quickly connect the scaffolding uprights using the built-in disc buckles or top trays according to the different heights of the uprights, providing workers with high-level hanging points for safety belts.
[0011] This invention device can be operated by a single person, is quick and convenient, and has a high acceptance rate among workers. During stages such as reinforcing template plugs, cleaning concrete, installing adjacent edge protection, and tying steel bars at the top edge of the scaffold, as the work surface moves, a single worker can replace this device with any suitable upright at the top of the scaffold, or install another set of this device in advance on the next work surface. This device can ensure that a single worker can wear a safety belt continuously throughout the entire work surface to be completed, providing effective protection for the worker. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this embodiment.
[0013] In the diagram, 1 is the vertical pole, 2 is the bearing, 3 is the horizontal pole, 4 is the hanging point, 5 is the clamping device, 6 is the pin device, 7 is the fastener, 8 is the U-shaped clamp, 9 is the clamping bolt, 10 is the screw, 11 is the disc buckle, 12 is the top tray, 13 is the upright pole, and 14 is the high-altitude fall arrestor. Detailed Implementation
[0014] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.
[0015] This embodiment includes a vertical rod 1, with a bearing 2 fixed at the top of the vertical rod 1. The bearing 2 is placed horizontally and can rotate around the vertical rod 1. The inner ring of the bearing 2 is fixed to the vertical rod 1, while the outer ring of the bearing 2 can rotate. A horizontal rod 3 is fixed outward from the outer ring of the bearing 2, and a hanging point 4 is fixed at the outer end of the horizontal rod 3. The hanging point 4 is used to attach the safety rope of the safety belt or the high-altitude fall arrestor 14. The hanging point 4 is the anchor point and can be set as a conventional hanging point component on the construction site. For example, the hanging point 4 can be a D-ring or a rope ring, etc.
[0016] A clamping device 5 and several pin devices 6 are respectively provided on the vertical pole 1 from top to bottom. Both the clamping device 5 and the pin devices 6 include fasteners 7, which are connected to the vertical pole 1. The fasteners 7 can be the commonly used fasteners 7 on scaffolding, and can be of various forms, as long as they can be existing fasteners that can be fixed to the vertical pole 1. The fasteners 7 of the clamping device 5 and the pin devices 6 are all fixedly connected to U-shaped clamping blocks 8 outward. The openings of the U-shaped clamping blocks 8 face outward, and the upper and lower blocks of the U-shaped clamping blocks 8 are provided with corresponding threaded holes. The U-shaped clamping block 8 of the clamping device 5 is internally threaded with a clamping bolt 9, and the U-shaped clamping block 8 of the pin device 6 is internally threaded with a screw 10. The screw 10 can pass through the round hole on the disc 11 of the scaffolding. That is, the diameter of the screw 10 is smaller than the diameter of the round hole on the disc 11 of the scaffolding. Preferably, the diameter of the screw 10 is exactly equal to the diameter of the round hole on the disc 11, that is, the screw 10 can just pass through the round hole on the disc 11.
[0017] Preferably, the diameter of the vertical rod 1 can be made exactly equal to the inner diameter of the scaffold upright 13, so that the vertical rod 1 can be inserted into the scaffold upright 13. Thus, the device of the present invention can be used without the use of the clamping device 5 and the pin device 6, and the vertical rod 1 can be directly inserted into the upright 13.
[0018] The following describes the usage of the device of the present invention when it has a clamping device 5 and a pin device 6: Place the pin device 6 so that the disc buckle disc 11 is located in the opening of the U-shaped clamping block 8 on the pin device 6, and align the threaded hole on the U-shaped clamping block 8 with any of the round holes on the disc buckle disc 11. Tighten the screw 10 downwards so that it passes through the round hole on the disc buckle disc 11, and then passes downwards through the threaded hole below the U-shaped clamping block 8 to connect the pin device 6 with the disc buckle disc 11. Then place the vertical pole 1 parallel to the scaffold upright 13 and fix the fastener 7 of the pin device 6 to the vertical pole 1. Depending on the situation, several pin devices 6 can be fixed on the vertical pole 1. In this embodiment, two pin devices 6 are provided, which are connected to two disc buckle discs 11 respectively. Then, align the opening of the U-shaped clamp 8 of the clamping device 5 with the top tray 12 at the top of the scaffold, so that the top tray 12 is located inside the opening of the U-shaped clamp 8 of the clamping device 5, with the bottom surface of the top tray 12 abutting against the bottom surface inside the opening of the U-shaped clamp 8. Then, connect the clamping bolt 9 to the threaded hole above the U-shaped clamp 8 and tighten the clamping bolt 9 downwards to make the clamping bolt 9 press tightly against the top tray 12, connecting the clamping device 5 and the top tray 12 together. Then, fix the fastener 7 of the clamping device 5 together with the vertical bar 1. Finally, hang the high-altitude fall arrestor 14 on the hanging point 4 of the horizontal bar 3 and connect the safety belt to the high-altitude fall arrestor 14.
[0019] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; those skilled in the art should understand that modifications can still be made to the technical solutions described in the above embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A movable safety belt attachment point device for main structure construction scaffolding, characterized in that: The system includes a vertical rod (1), with a bearing (2) fixed at the top of the vertical rod (1). The inner ring of the bearing (2) is fixed to the vertical rod (1), and the outer ring of the bearing (2) is rotatable. A horizontal rod (3) is fixed to the outer ring of the bearing (2), and a hanging point (4) is fixed to the outer end of the horizontal rod (3). The vertical rod (1) is provided with a pressing device (5) and several pin devices (6) from top to bottom. Both the pressing device (5) and the pin devices (6) include fasteners (7). The fasteners (7) are connected to the vertical rod (1), and the fasteners (7) are fixedly connected to U-shaped clamps (8) outward. The upper and lower blocks of the U-shaped clamps (8) are provided with threaded holes. The threaded hole of the pressing device (5) is connected to a pressing bolt (9), and the threaded hole of the pin device (6) is connected to a screw (10). The diameter of the screw (10) is smaller than the diameter of the round hole on the disc (11) of the scaffold.
2. The movable safety belt attachment point device for main structure construction scaffolding according to claim 1, characterized in that: The diameter of the vertical pole (1) is equal to the inner diameter of the scaffold upright (13).
3. The movable safety belt hanging point device for main structure construction scaffolding according to claim 1, characterized in that: The hanging point (4) is a D-ring or a rope ring.