A device for securing safety belts to workers during the dismantling of external scaffolding on piers.

CN224621152UActive Publication Date: 2026-08-11CHINA CONSTR EIGHT ENG DIV CORP LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

然而,目前墩柱外脚手架在拆除过程中,缺乏专门且可靠的安全带系挂点装置

Benefits of technology

[0014] Firstly, this utility model can adapt to piers of different diameters and is suitable for various scaffolding demolition operations such as bridge piers and building structure piers, greatly improving the scope of application of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224621152U_ABST
    Figure CN224621152U_ABST
Patent Text Reader

Abstract

This utility model relates to a safety belt fastening device, belonging to the technical field of construction equipment. Specifically, it is a device for fastening safety belts for dismantling personnel during the demolition of piers and columns. It includes a ring with a groove, two ball bearings positioned within the groove, and a connecting shaft rotatably connecting the two ball bearings. A buffer rope is fixedly connected to the connecting shaft, and a rotating hook is provided on the buffer rope. This device can adapt to piers of different diameters and is suitable for various bridge piers, building structure piers, and other scaffolding demolition operations, greatly expanding its application range. The buffer rope significantly reduces the impact force when personnel fall, minimizing the risk of injury or death. The device is simple to install, requiring only bolts one and two to fix it to the pier. The rotating hook design makes it convenient and quick for dismantling personnel to fasten their safety belts, eliminating the need for complex operations and improving work efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of construction equipment technology, specifically a device for securing safety belts to dismantling personnel during the removal of external scaffolding on piers. Background Technology

[0002] The safety of the installation and dismantling personnel is paramount during the dismantling of external scaffolding for piers. However, currently, there is a lack of specialized and reliable safety belt attachment points during the dismantling process of external scaffolding for piers.

[0003] Traditional practices have many drawbacks. For example, using scaffold horizontal bars as anchor points not only limits the available locations but may also create safety hazards due to loose horizontal bars. Furthermore, as the dismantling of the scaffold progresses, suitable anchor points become increasingly difficult to find, seriously affecting work safety and efficiency.

[0004] Based on this, this utility model proposes a device for attaching safety belts to personnel during the dismantling of external scaffolding on piers. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model proposes a device for securing safety belts to personnel during the dismantling of external scaffolding on piers. This device can adapt to piers of different diameters and is applicable to various external scaffolding dismantling scenarios, such as bridge piers and building structure piers, greatly expanding the device's scope of use.

[0006] The technical solution to achieve the purpose of this utility model is: a device for securing safety belts to personnel during the dismantling of external scaffolding on piers, comprising a ring, wherein a groove is provided on the ring, and further comprising;

[0007] The ball bearings are arranged in a groove and are rotatably connected by a connecting shaft. A buffer rope is fixedly connected to the connecting shaft and a rotating hook is provided on the buffer rope.

[0008] Preferably, two vertical rods and two horizontal rods are fixedly connected to the ring, and the vertical rods and horizontal rods are distributed alternately.

[0009] Preferably, two limiting rods are fixedly connected to each of the two vertical rods.

[0010] Preferably, each of the two crossbars is provided with two reinforcing brackets, and each of the two reinforcing brackets is provided with four threaded holes.

[0011] Preferably, each of the two crossbars is provided with four bolts, and each of the four bolts is adapted to one of the four threaded holes.

[0012] Preferably, two reinforcing strips are provided between the two reinforcing frames, and multiple threaded holes are provided on each of the two reinforcing strips. Multiple bolts are provided on each of the two reinforcing frames, and the multiple bolts are adapted to the multiple threaded holes.

[0013] Compared with existing technologies, the significant advantages of this invention are:

[0014] Firstly, this utility model can adapt to piers of different diameters and is suitable for various scaffolding demolition operations such as bridge piers and building structure piers, greatly improving the scope of application of the device.

[0015] Secondly, in this invention, the buffer rope can significantly reduce the impact force when a person falls, thus reducing the risk of injury or death.

[0016] Thirdly, the device is easy to install. It can be fixed to the pier with just bolt one and bolt two. The rotating hook design makes it convenient and quick for installers and dismantlers to fasten their safety belts without complicated operations, thus improving work efficiency. Attached Figure Description

[0017] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0019] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the reinforcing frame and reinforcing strip in this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the reinforcing frame and reinforcing strip of this utility model installed on the pier column.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Ring; 2. Slide groove; 3. Ball bearing; 4. Connecting shaft; 5. Buffer rope; 6. Rotating hook; 7. Vertical rod; 8. Horizontal rod; 9. Limiting rod; 10. Reinforcing frame; 11. Threaded hole one; 12. Bolt one; 13. Reinforcing strip; 14. Threaded hole two; 15. Bolt two. Detailed Implementation

[0024] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0025] This utility model provides an improved device for securing safety belts to personnel during the dismantling of external scaffolding on piers. The technical solution of this utility model is as follows:

[0026] like Figures 1-4 As shown, a device for securing safety belts to personnel during the dismantling of scaffolding on piers includes a ring 1 with four hooks fixedly connected to it. The hooks are arranged in a circular array around the center of the ring 1. A groove 2 is provided on the ring 1, and the cross-section of the groove 2 is "T". The device also includes:

[0027] Two ball bearings 3 are located within a groove 2, and a connecting shaft 4 rotatably connects the two ball bearings 3. A buffer rope 5 is fixedly connected to the connecting shaft 4. The buffer rope 5 is made of high-quality spring steel. When a worker falls, the buffer rope 5 can absorb part of the impact force, reducing injury. The stroke and elastic coefficient of the spring are precisely calculated to effectively buffer the impact and ensure the stability of the device. A rotating hook 6 is provided on the buffer rope 5. Through the cooperation of the ball bearings 3 and the connecting shaft 4, the buffer rope 5 and the rotating hook 6 can rotate around the ring 1, making it convenient and quick for workers to fasten their safety belts without complicated operations, thus improving work efficiency.

[0028] Furthermore, such as Figure 1 and Figure 2 As shown, two vertical rods 7 and two horizontal rods 8 are fixedly connected to the ring 1. The vertical rods 7 and horizontal rods 8 are staggered and form a frame, which facilitates the installation of the device.

[0029] Furthermore, such as Figure 1 As shown, two limiting rods 9 are fixedly connected to the two vertical rods 7 respectively. The limiting rods 9 and the horizontal rods 8 work together to limit the pad stones on the pier. Anti-slip pads are provided on the contact side of the vertical rods 7, horizontal rods 8 and limiting rods 9 with the pier to ensure the stability of the device during use.

[0030] Furthermore, such as Figures 1-4 As shown, two reinforcing brackets 10 are provided on the two crossbars 8 respectively, and four threaded holes 11 are opened on the two reinforcing brackets 10 respectively. The two reinforcing brackets 10 are located directly below the two crossbars 8 respectively.

[0031] Furthermore, such as Figures 1-3As shown, each of the two crossbars 8 is provided with four bolts 12, which are adapted to four threaded holes 11. The reinforcement frame 10 is fixed to the crossbar 8 by the bolts 12 and the threaded holes 11, making the reinforcement frame 10 easy to install and disassemble.

[0032] Furthermore, such as Figures 1-4 As shown, two reinforcing strips 13 are provided between the two reinforcing frames 10. The cross-section of the reinforcing strip 13 is inverted "U" shape. Multiple threaded holes 14 are provided on the two reinforcing strips 13 respectively. Multiple bolts 15 are provided on the two reinforcing frames 10 respectively. The multiple bolts 15 are adapted to the multiple threaded holes 14 respectively. The reinforcing strips 13 are fixed to the reinforcing frames 10 by the bolts 15 and the threaded holes 14, so that the reinforcing strips 13 are easy to install and remove.

[0033] The specific working method is as follows: Before dismantling the scaffolding on the pier, hoist and fix the device to a suitable position on the pier. The distance between the vertical rod 7 and the horizontal rod 8 should be slightly larger than the relevant dimensions of the pier to facilitate installation. Note that anti-slip rubber pads should be installed on the inner sides of the vertical rod 7, horizontal rod 8, and limiting rod 9. After the vertical rod 7, horizontal rod 8, and limiting rod 9 are installed, install the reinforcing frame 10 on the horizontal rod 8. Fix the reinforcing frame 10 to the bottom of the horizontal rod 8 using bolt 12 and threaded hole 11. Then, fix the reinforcing strip 13 and the reinforcing frame 10 using bolt 215 and threaded hole 214 to ensure the entire device is safe and secure. After installation, perform a pressure test on the rotating hook 6. Once the safety test is passed, it can be used. The installation and dismantling personnel hang the safety belt loop into the rotating hook 6, ensuring the loop is secure. During the operation, the installation and dismantling personnel can move freely around the pier. The rotating hook 6 can rotate around the ring 1 according to the direction of personnel movement without obstructing personnel movement. When personnel accidentally fall, the buffer rope 5 immediately comes into play, absorbing the impact force generated by the fall, prolonging the impact time, reducing the injury to the personnel, and providing reliable safety protection for the installation and dismantling personnel.

[0034] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.

Claims

1. A device for securing safety belts to personnel during the dismantling of scaffolding on piers, comprising a ring (1), characterized in that: The ring (1) is provided with a groove (2), and also includes; Ball bearings (3), two ball bearings (3) are located in the groove (2), and a connecting shaft (4) is rotatably connected between the two ball bearings (3). A buffer rope (5) is fixedly connected to the connecting shaft (4), and a rotating hook (6) is provided on the buffer rope (5).

2. The device for securing safety belts to personnel during the dismantling of external scaffolding on piers, as described in claim 1, is characterized in that: Two vertical rods (7) and two horizontal rods (8) are fixedly connected to the ring (1), and the vertical rods (7) and horizontal rods (8) are staggered.

3. The device for securing safety belts to personnel during the dismantling of external scaffolding on piers, as described in claim 2, is characterized in that: Two limiting rods (9) are fixedly connected to the two vertical rods (7).

4. The device for securing safety belts to personnel during the dismantling of external scaffolding on piers, as described in claim 3, is characterized in that: Two reinforcing brackets (10) are provided on each of the two crossbars (8), and four threaded holes (11) are provided on each of the two reinforcing brackets (10).

5. The device for securing safety belts to personnel during the dismantling of external scaffolding on piers, as described in claim 4, is characterized in that: Each of the two crossbars (8) is provided with four bolts (12), and the four bolts (12) are respectively matched with four threaded holes (11).

6. The device for securing safety belts to personnel during the dismantling of external scaffolding on piers, as described in claim 5, is characterized in that: Two reinforcing strips (13) are provided between the two reinforcing frames (10). Multiple threaded holes (14) are provided on the two reinforcing strips (13). Multiple bolts (15) are provided on the two reinforcing frames (10). The multiple bolts (15) are respectively matched with the multiple threaded holes (14).