Anti-falling device

By designing a fall protection device and utilizing the support side columns and clamping column support plate structure, the problem of solid waste spillage and environmental pollution during bridge construction was solved, achieving safe and efficient construction protection.

CN224063969UActive Publication Date: 2026-03-31上海知得实业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

During bridge construction, solid waste collected on the bridge deck could not be effectively contained, resulting in it spilling down below the bridge, polluting the surrounding environment, and posing safety hazards.

Method used

A fall protection device was designed, comprising an assemblable sub-module. The upper support plate is supported by support side columns and support pins, and is equipped with a sound-absorbing sponge for cushioning. Side baffles block debris, and the support pins have recessed slots for easy installation, enabling rapid assembly and ensuring installation accuracy and protective effect.

Benefits of technology

It effectively prevents items from falling during dismantling, absorbs energy through sound-absorbing foam, ensures installation accuracy, avoids environmental pollution from solid waste, and improves construction safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-falling device and relates to the technical field of construction protection, in the anti-falling device, a plurality of groups of sub-modules can be assembled, one group of sub-modules comprises an upper supporting plate, a supporting side column and a supporting clamping column, the upper supporting plate is of a stepped folded plate structure, the supporting side column is arranged on one side of the upper supporting plate, and the supporting clamping column is arranged on the other side of the upper supporting plate. The supporting side columns and the supporting clamping columns are used for supporting the strength of the two sides of the upper supporting plate and protecting the outer side of the anti-throwing net so that articles can be prevented from falling in the dismantling process, the side baffles can shield sundries falling on the surface of the upper supporting plate, and the surfaces of the upper supporting plate and the lower supporting plate are provided with the mute sponges so that the anti-throwing net can be dismantled conveniently. Falling objects in the dismantling process are buffered and energy-absorbed, during multi-group installation, the supporting side columns are sleeved with the supporting clamping columns to be combined, the structures of the supporting side columns and the supporting clamping columns are further strengthened through sight, and the situation that the objects are scattered under a bridge and pollute the surrounding environment is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to construction protection technical field, especially relates to anti-falling device. BACKGROUND

[0002] Bridge protection net is also called anti-throwing net, which is made of low-carbon steel wire and aluminum-magnesium alloy wire by weaving and welding. The bridge protection net adopts peach-shaped column, double ring, wave, double-side guardrail net and other series of professional products, which have the characteristics of light weight, novel shape, beauty and durability. The net sheet is high-efficiency plasticized, especially suitable for bridge anti-throwing net. It can be rust-proof for ten years, easy to disassemble and reuse, and can be re-arranged according to the needs of the net. It is an environmentally friendly product and can be recycled. It is mainly used for protecting and preventing the bridge on both sides. In order to ensure safety, temporary protection devices are installed before the old net sheet is removed, and the upper protection net is installed and removed after completion.

[0003] The construction steps of the anti-throwing net are as follows: (1) one lane is closed for the existing lane, and the operation point is closed for 100m (attached Figure 1 ); (2) protection devices are set on the outside of the existing anti-throwing net to prevent falling objects during the removal process. The protection devices are as follows: (3) the existing anti-throwing net is removed by lifting equipment and manual work; (4) the new anti-throwing net is lifted and moved to the corresponding position by lifting equipment and manual work; (5) the fixing bolts are installed and the corresponding washers and nuts are screwed; (6) the workers adjust the reinforcement on the inside operating frame; (7) after each anti-throwing net is installed, the overall line shape must be corrected to ensure that the line shape is straight, and the corrosion and rust of the stand column are treated.

[0004] However, during the implementation of the above technical solutions, at least the following technical problems are found:

[0005] The various solid wastes collected on the bridge deck cannot be connected to the pollution of the surrounding environment falling on the bridge below, and there is a safety hazard, so we propose the anti-falling device. CONTENT OF THE UTILITY MODEL

[0006] (I) Technical problems solved

[0007] In view of the deficiencies of the prior art, the utility model provides an anti-falling device to solve the technical problems.

[0008] (II) Technical scheme

[0009] In order to achieve the above purpose, the utility model is realized by the following technical scheme:

[0010] The anti-falling device comprises a plurality of groups of sub-modules which can be assembled,

[0011] One of the sub-modules includes an upper support plate, a support side column and a support clamping column, the upper support plate is a stepped plate structure, one side of the upper support plate is provided with a support side column, the other side of the upper support plate is provided with a support clamping column, the support side column and the support clamping column support the strength of the two sides of the upper support plate, and are used for protecting the outside of the anti-throwing net to prevent falling objects during the demolition process.

[0012] Preferably, the tail end of the upper support plate is provided with a lower support plate, and the upper end of the upper support plate is provided with a side baffle, wherein the side baffle can shield the sundries falling on the surface of the upper support plate to avoid sliding.

[0013] Preferably, the upper support plate, the lower support plate and the side baffle are all made of aluminum plate material, wherein the surface of the upper support plate and the lower support plate is provided with a silent sponge to buffer and absorb the falling objects during the demolition process.

[0014] Preferably, the support side column is a square steel pipe for providing support for the upper support plate, and the support clamping column is a square frame with an opening at the bottom, wherein the size of the support clamping column is greater than that of the support side column, and when multiple groups are installed, the support clamping column is sleeved outside the support side column for combination, and the structure of the support side column and the support clamping column is further strengthened to realize quick combination of multiple groups of sub-modules and combination of multiple groups of sub-modules.

[0015] Preferably, the upper middle part of the support clamping column is provided with a clearance, and the middle part of the clearance is provided with a clearance groove, which is used for the clearance of the upper anti-falling net installation column, so that multiple sub-modules can pass through the side edge fence to protect the installation of the protective net on both sides.

[0016] Preferably, the axis of the support side column should be on a straight line, the support side column should be smooth, and there should be no high-low uneven situation, and the line type and perpendicularity of the upper support plate and the support side column should be corrected, and all connecting bolts should be tightened.

[0017] (Three) beneficial effects

[0018] The support side column and the support clamping column support the strength of the two sides of the upper support plate, and are used for protecting the outside of the anti-throwing net to prevent falling objects during the demolition process, wherein the side baffle can shield the sundries falling on the surface of the upper support plate to avoid sliding, wherein the surface of the upper support plate and the lower support plate is provided with a silent sponge to buffer and absorb the falling objects during the demolition process, when multiple groups are installed, the support clamping column is sleeved outside the support side column for combination, and the structure of the support side column and the support clamping column is further strengthened to realize quick combination of multiple groups of sub-modules and combination of multiple groups of sub-modules, after all the anti-throwing net pieces are installed, various solid wastes are treated according to relevant regulations or transported to designated waste disposal sites to avoid pollution of the surrounding environment. Attached Figure Description

[0019] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0020] Figure 1 This is a construction drawing of the fall protection device of this utility model;

[0021] Figure 2 This is a diagram showing the on-site installation structure of the fall protection device of this utility model;

[0022] Figure 3 This is a structural diagram of a sub-module in the fall protection device of this utility model.

[0023] Legend: 1. Upper support plate; 2. Support side column; 3. Support clamp column; 4. Clearance opening; 5. Lower support plate; 6. Side baffle. Detailed Implementation

[0024] This application provides a fall protection device to solve the problem of protective net installation in the prior art. The support side columns and support clips support the strength of both sides of the upper support plate and are used to protect the outside of the anti-throw net to prevent objects from falling during the dismantling process.

[0025] Example 1

[0026] The technical solution in this application embodiment is to solve the problem of the aforementioned protective net installation and protection. The overall approach is as follows:

[0027] To address the problems existing in the prior art, this utility model provides a fall protection device, including multiple assemblable sub-modules. One sub-module includes an upper support plate 1, support side columns 2, and support locking columns 3. The upper support plate 1 has a stepped folded plate structure. The support side columns 2 are provided on one side of the upper support plate 1, and the support locking columns 3 are provided on the other side of the upper support plate 1. The support side columns 2 and support locking columns 3 provide strength support for both sides of the upper support plate 1, and are used to protect the outside of the anti-throw net to prevent objects from falling during dismantling.

[0028] A lower support plate 5 is provided at the lower end of the upper support plate 1, and a side baffle 6 is provided at the upper end of the upper support plate 1. The side baffle 6 can block debris falling onto the surface of the upper support plate 1 to prevent it from slipping. The upper support plate 1, the lower support plate 5 and the side baffle 6 are all made of aluminum plate. The surfaces of the upper support plate 1 and the lower support plate 5 are provided with sound-absorbing sponge, which can cushion and absorb energy from falling objects during the dismantling process.

[0029] Supporting side column 2 is a square steel pipe, which is used to provide support for the upper supporting plate 1, and the supporting clamping column 3 is an open square frame, wherein the size of the supporting clamping column 3 is larger than that of the supporting side column 2, when a plurality of groups are installed, the supporting clamping column 3 is sleeved outside the supporting side column 2 for combination, and the structure of the supporting side column 2 and the supporting clamping column 3 is further strengthened, so that the quick combination of a plurality of groups of sub-modules can be realized, and the combination of a plurality of groups of sub-modules can be realized,

[0030] The supporting clamping column 3 is provided with a clearance opening 4 in the upper middle part, and the clearance opening 4 is provided with a clearance groove in the middle part, and the clearance groove is used for the installation of the upper anti-falling net installation column, so that a plurality of sub-modules can pass through the side edge fence to install the protective net on both sides.

[0031] The sub-module is assembled outside the line and then assembled on site, so as to improve the installation and combination efficiency.

[0032] After installation, the anti-falling net piece is seen from the longitudinal direction, the axis of the supporting side column 2 should be on a straight line, and unevenness should not appear, and from the height, the supporting side column 2 should be smooth, and unevenness should not appear, after the installation of all the anti-falling net pieces is completed, and the line type and perpendicularity of the upper supporting plate 1 and the supporting side column 2 are corrected, all the connecting bolts are tightened.

[0033] In the installation process of the upper supporting plate 1, the line is hung and the level is used to ensure the installation accuracy and the overall line type, all exposed parts of the steel of the sub-module require corrosion protection treatment to avoid failure due to rust, all welding of the project should meet the requirements of the current corresponding specifications, after the construction of the protective net is completed, the whole structure should not be twisted, and the net surface should be smooth and tight.

[0034] After the installation of all the anti-falling net pieces is completed, various solid wastes are treated according to the relevant regulations or transported to the designated waste disposal site uniformly to avoid spilling on the bridge and polluting the surrounding environment.

[0035] Finally, it should be noted that: obviously, the above examples are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A fall arrest device comprising a plurality of sets of assemblable sub-modules, characterised in that: One group of sub-modules includes the upper support plate (1), support side column (2) and support card column (3), the upper support plate (1) is a stepped plate structure, the upper support plate (1) is provided with a support side column (2) on one side, and the upper support plate (1) is provided with a support card column (3) on the other side.

2. The fall arrest device of claim 1, wherein: The lower end of the upper support plate (1) is provided with a lower support plate (5), and the upper end of the upper support plate (1) is provided with a side baffle (6).

3. The fall arrest device of claim 2, wherein: The upper support plate (1), the lower support plate (5) and the side baffle (6) are all made of aluminum plate material, wherein the upper support plate (1) and the lower support plate (5) are provided with a silent sponge on the surface.

4. The fall arrest device of claim 1, wherein: The support side column (2) is a square steel pipe, and the support card column (3) is a square frame with an opening at the lower end, wherein the size of the support card column (3) is greater than that of the support side column (2).

5. The fall arrest device of claim 1, wherein: The upper middle part of the support card column (3) is provided with a let-go opening (4), which provides a let-go slot for the upper fall arrest net installation stand.

6. The fall arrest device of claim 1, wherein: The axis of the support side column (2) should be on a straight line, the support side column (2) should be smooth, and the line type and perpendicularity of the upper support plate (1) and the support side column (2) should be corrected, and all connecting bolts should be tightened.