A construction edge work protection fence

By using the plug-in connection and slot structure between the rotating connecting column and the rotating bearing pipe, the connection flexibility and stability issues of the protective railing for edge operations in building construction are solved, enabling rapid installation and multi-angle adaptation, thus improving construction efficiency and safety.

CN224496044UActive Publication Date: 2026-07-14DAORAN LABOR ENGINEERING (HAINAN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DAORAN LABOR ENGINEERING (HAINAN) CO LTD
Filing Date
2025-08-21
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing construction site edge protection railings suffer from poor connection flexibility, low installation efficiency, insufficient stability, and difficulty in adapting to edge environments at different angles.

Method used

The system employs a plug-in connection between rotating connecting columns and rotating bearing pipes. The guardrail panels and support bases are connected by inserting into slots. Combined with diagonal braces and grounding screws, it enables rapid installation and multi-angle adaptation, enhancing stability.

Benefits of technology

It enables rapid installation, multi-angle adaptation, and high stability of guardrails, improving construction efficiency and enhancing nighttime safety and protection strength.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224496044U_ABST
    Figure CN224496044U_ABST
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Abstract

The utility model relates to building construction equipment technical field discloses a kind of building edge operation guardrails, and its technical scheme main point is including guardrail board and support base;Guardrail board includes rectangular frame, upper net board, lower panel, and the left side pole outside of rectangular border is equipped with rotating connecting column, and the top right side between left side pole of rotating connecting column is fixedly connected with connecting piece, and rotating connecting column is parallel with left side pole;The right side pole of rectangular border is equipped with rotating receiving pipe matched with rotating connecting column, and the external left side of rotating receiving pipe is fixedly connected with right side pole;Between two adjacent guardrail boards, by inserting rotating connecting column in rotating receiving pipe and connecting;Support base includes base cross bar and two parallel base vertical rods, and the bottom end of base vertical rod is fixedly connected with the top surface of base cross bar perpendicularly, and clamping groove is formed between two base vertical rods;Guardrail board is inserted in clamping groove, and the vertical of guardrail board is realized.
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Description

Technical Field

[0001] This utility model relates to the field of construction equipment technology, and more specifically, it relates to a protective railing for working near the edge of a building. Background Technology

[0002] In construction, working near edges is a high-risk area for safety accidents. Examples include the edges of staircases before handrails are installed, the perimeter of balcony railings before pouring concrete, and the edges of excavated foundation pits. Protective railings are necessary to prevent people or materials from falling. Existing edge protection railings have the following problems:

[0003] The connection flexibility is poor. Traditional guardrails are mostly fixed by welding or bolting, which cannot adapt to edges with different angles (such as stair corners and pit corners). If the angle needs to be adjusted, cutting or re-drilling is required, which is cumbersome and wastes materials.

[0004] The installation efficiency is low. The guardrails and bases are mostly fixed with bolts. During installation, the holes need to be repeatedly aligned. The installation of a single set of guardrails takes a long time and it is difficult to meet the construction progress requirements.

[0005] Insufficient stability; some bases are only fixed by their own weight, making them prone to tipping over under impact or external force, especially on soft ground (such as the soil layer around the foundation pit). Utility Model Content

[0006] The purpose of this utility model is to provide a protective railing for construction edge work, which can achieve rapid installation, multi-angle adaptation, and safe and stable protection.

[0007] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a protective railing for construction edge work, comprising a protective railing panel and a supporting base;

[0008] The guardrail includes a rectangular frame, an upper mesh panel, and a lower panel. The top edge and two sides of the upper mesh panel are connected to the inner top edge and two sides of the rectangular frame. The bottom edge and two sides of the lower panel are connected to the inner bottom edge and two sides of the rectangular frame. The bottom edge of the upper mesh panel is connected to the top edge of the lower panel.

[0009] A rotating connecting post is provided on the outer side of the left side rail of the rectangular frame. A connector is fixedly connected between the top right side of the rotating connecting post and the left side rail. The rotating connecting post is parallel to the left side rail. A rotating bearing pipe matching the rotating connecting post is provided on the right side rail of the rectangular frame. The outer left side of the rotating bearing pipe is fixedly connected to the right side rail. Adjacent guardrail panels are connected by inserting the rotating connecting post into the rotating bearing pipe.

[0010] The support base includes a base horizontal bar and two parallel base vertical bars. The bottom end of the base vertical bar is fixedly and vertically connected to the top surface of the base horizontal bar, and a slot is formed between the two base vertical bars. The guardrail is erected by inserting the bottom edge of the rectangular frame into the slot.

[0011] As a preferred embodiment of this utility model, the bottom ends of the bottom side rod are fixedly equipped with pads of the same height as the base crossbar.

[0012] As a preferred embodiment of this utility model, a thickened load-bearing crossbar is connected between the top edge of the lower panel and the bottom edge of the upper mesh panel. The two ends of the thickened load-bearing crossbar are vertically and fixedly connected to the inner side of the left side bar and the inner side of the right side bar, respectively, and the position of the thickened load-bearing crossbar corresponds to the top position of the base vertical bar.

[0013] As a preferred embodiment of this utility model, a supporting vertical rod is connected between the middle part of the thickened load-bearing horizontal bar and the middle part of the top edge bar of the rectangular plate frame.

[0014] As a preferred technical solution of this utility model, a reflective warning sticker is provided on the outer side of the lower panel.

[0015] As a preferred embodiment of this utility model, diagonal bracing rods are fixedly connected between the two ends of the base crossbar and the outer sides of the two base vertical bars.

[0016] As a preferred technical solution of this utility model, both ends of the base crossbar are provided with through holes running from top to bottom. The through holes are equipped with corresponding ground screws. When the ground screws pass through the through holes and are screwed into the bottom surface, they fix the support base.

[0017] As a preferred embodiment of this utility model, when the rotating connecting column and the rotating bearing pipe are sleeved together, the bottom end of the rotating connecting column protrudes through the bottom end of the rotating bearing pipe, the bottom end of the rotating connecting column is provided with a transverse through connecting hole, the connecting hole is provided with a latch, and the volume of the latch is larger than the inner diameter of the rotating bearing pipe.

[0018] In summary, this utility model has the following beneficial effects: by the plug-in cooperation of the rotating connecting column and the rotating bearing pipe, the adjacent guardrail panels can rotate flexibly, and can adapt to irregular edges such as stair corners and foundation pit corners without additional tools, thus solving the problem of fixed angle of traditional guardrails;

[0019] The guardrail panels and the support base are connected by a "slot insertion", which eliminates the need for bolt alignment, making installation convenient and efficient, and improving efficiency compared to the traditional bolt fixing method.

[0020] The slotted structure of the support base provides bidirectional restraint for the guardrail. Combined with the subsequently optimized diagonal bracing and ground-mounted screws, it can effectively resist external impacts, prevent tipping, and has strong stability.

[0021] The upper mesh panel ensures unobstructed visibility during construction, while the lower panel enhances protective strength. Combined with reflective warning stickers, it can improve nighttime safety. Attached Figure Description

[0022] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 is a schematic diagram of the supporting base structure;

[0024] Figure 3 is a detailed schematic diagram of the guardrail;

[0025] Figure 4 is Figure 1 Enlarged view of the rotating connection part in region A.

[0026] In the diagram: 1. Guardrail; 2. Support base; 3. Rectangular frame; 4. Upper mesh panel; 5. Lower panel; 6. Rotating connecting column; 7. Connector; 8. Rotating bearing pipe; 9. Base crossbar; 10. Base vertical bar; 11. Slot; 12. Pad; 13. Thickened load-bearing crossbar; 14. Support vertical bar; 15. Reflective warning sticker; 16. Diagonal brace; 17. Grounding screw; 18. Connecting hole; 19. Lock. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0028] like Figure 1 As shown, this utility model provides a protective railing for working near the edge of a building, including a protective railing panel 1 and a supporting base 2;

[0029] like Figure 3As shown, the guardrail 1 includes a rectangular frame 3, an upper mesh panel 4, and a lower panel 5. The top edge and both sides of the upper mesh panel 4 are welded to the inner top edge and both sides of the rectangular frame 3. The bottom edge and both sides of the lower panel 5 are also welded to the inner bottom edge and both sides of the rectangular frame 3. The bottom edge of the upper mesh panel 4 is connected to the top edge of the lower panel 5. The upper mesh panel 4 can ensure ventilation and visibility.

[0030] like Figure 4 As shown, a rotating connecting post 6 is configured on the outer side of the left side rail of the rectangular frame. A connector 7 is fixedly welded to the top right side of the rotating connecting post 6 and the left side rail. The rotating connecting post 6 is parallel to the left side rail. A rotating receiving pipe 8 matching the rotating connecting post 6 is configured on the right side rail of the rectangular frame. The outer left side of the rotating receiving pipe 8 is fixedly connected to the right side rail. Two adjacent guardrail panels 1 are detachably connected by inserting the rotating connecting post 6 into the rotating receiving pipe 8. The outer diameter of the rotating connecting post 6 is slightly smaller than the inner diameter of the rotating receiving pipe 8. The clearance fit facilitates rotation and makes it easy to adjust the angle between the two guardrail panels 1, which is beneficial for applicable scenarios.

[0031] like Figure 2 As shown, the support base 2 includes a base horizontal bar 9 and two parallel base vertical bars 10. The bottom end of the base vertical bar 10 is fixedly and vertically welded to the top surface of the base horizontal bar 9. A slot 11 is formed between the two base vertical bars 10. The width of the slot 11 is slightly larger than the thickness of the bottom edge bar of the rectangular plate frame 3 to ensure that there is no shaking after insertion. The guardrail 1 is inserted into the slot 11 with the bottom edge bar of the rectangular plate frame 3 to achieve the vertical fixation of the guardrail 1.

[0032] The working principle and application method of this utility model of construction edge protection railing are as follows: the support base 2 is placed vertically with the opening of the slot 11 facing upward, and then the guardrail plate 1 is lifted and inserted into the opening of the slot 11. Due to the limiting effect of the slot 11, the support base 2 and the guardrail plate 1 form a "+" support, thereby making the guardrail plate 1 stand upright. Generally, in order to improve the stability of the guardrail plate 1, each guardrail plate 1 can be equipped with two or more support bases 2. The two support bases 2 are locked at both ends of the guardrail plate 1, which can achieve higher stability.

[0033] When two adjacent guardrail panels 1 need to be connected, lift the right guardrail panel 1, align its rotating connecting post 6 with the rotating bearing pipe 8 of the left guardrail panel 1 and insert it, so that the two can be connected and can also rotate relative to each other.

[0034] Preferred embodiment 1: The bottom two ends of the bottom side bar are fixedly equipped with pads 12 of the same height as the base crossbar 9, so that the guardrail is evenly stressed and avoids shaking due to uneven ground. At the same time, it allows for another way to install the support base 2, namely: first, the guardrail 1 is erected, the support base 2 is placed flat and inserted into the gap between the bottom side bar and the ground, and after the slot 11 and the bottom side bar are aligned, the support base 2 is rotated and erected to achieve vertical support for the guardrail 1.

[0035] Preferred embodiment 2: A thickened load-bearing crossbar 13 is connected between the top edge of the lower panel 5 and the bottom edge of the upper mesh panel 4. The two ends of the thickened load-bearing crossbar 13 are vertically and fixedly connected to the inner sides of the left and right side bars, respectively, and the position of the thickened load-bearing crossbar 13 corresponds to the top position of the base vertical bar 10. Strengthening the structure at the load-bearing points enhances the overall deformation resistance of the protective railing 1.

[0036] Furthermore, a supporting vertical bar 14 is connected between the middle of the thickened load-bearing horizontal bar 13 and the middle of the top edge bar of the rectangular plate frame 3 to enhance structural stability.

[0037] Preferred embodiment 4: A reflective warning sticker 15 is provided on the outer side of the lower panel 5. The yellow and black PVC reflective warning sticker 15 has a reflectivity of ≥300cd / lx・m². When illuminated at night, it can clearly show the protection range and reduce the risk of accidental contact.

[0038] Preferred embodiment 5: Diagonal bracing rods 16 are fixedly connected to both ends of the base crossbar 9 and the outer sides of the two base vertical bars 10, forming a triangular support, which improves the anti-tipping ability of the base. Furthermore, both ends of the base crossbar 9 are provided with through holes running from top to bottom, and corresponding ground screws 17 are configured in the through holes. When the ground screws 17 are screwed into the ground through the through holes, they fix the support base 2 and prevent the support base 2 from falling over or shifting.

[0039] Preferred embodiment 6: When the rotating connecting post 6 and the rotating receiving pipe 8 are sleeved, the bottom end of the rotating connecting post 6 protrudes through the bottom end of the rotating receiving pipe 8. The bottom end of the rotating connecting post 6 is provided with a transverse through connecting hole 18. The connecting hole 18 is provided with a latch 19. The volume of the latch 19 is larger than the inner diameter of the rotating receiving pipe 8. The latch 19 adopts a common padlock, which is low in cost. The latch 19 prevents non-work site personnel from untying the connection of multiple guardrail panels 1. Because a single guardrail panel 1 has a high risk of being stolen, multiple guardrail panels 1 connected together are difficult to transport, thus reducing the risk of theft.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A protective railing for working near construction edges, characterized in that: Includes guardrail (1) and support base (2); The guardrail (1) includes a rectangular frame (3), an upper mesh panel (4), and a lower panel (5). The top edge and both sides of the upper mesh panel (4) are connected to the inner top edge and both sides of the rectangular frame (3). The bottom edge and both sides of the lower panel (5) are connected to the inner bottom edge and both sides of the rectangular frame (3). The bottom edge of the upper mesh panel (4) is connected to the top edge of the lower panel (5). A rotating connecting post (6) is arranged on the outer side of the left side rail of the rectangular plate frame. A connecting piece (7) is fixedly connected between the top right side of the rotating connecting post (6) and the left side rail. The rotating connecting post (6) is parallel to the left side rail. A rotating bearing pipe (8) matching the rotating connecting post (6) is arranged on the right side rail of the rectangular plate frame. The outer left side of the rotating bearing pipe (8) is fixedly connected to the right side rail. Two adjacent guardrail plates (1) are connected by inserting the rotating connecting post (6) into the rotating bearing pipe (8). The support base (2) includes a base horizontal bar (9) and two parallel base vertical bars (10). The bottom end of the base vertical bar (10) is fixedly and vertically connected to the top surface of the base horizontal bar (9), and a slot (11) is formed between the two base vertical bars (10). The guardrail (1) is inserted into the slot (11) by the bottom side bar of the rectangular plate frame (3) to realize the erection of the guardrail (1).

2. The protective railing for construction edge work according to claim 1, characterized in that: The bottom end of the bottom side bar is fixed with pads (12) of the same height as the base crossbar (9).

3. A protective railing for construction edge work according to claim 2, characterized in that: A thickened load-bearing crossbar (13) is connected between the top edge of the lower panel (5) and the bottom edge of the upper mesh panel (4). The two ends of the thickened load-bearing crossbar (13) are vertically fixed to the inner side of the left side bar and the inner side of the right side bar, respectively, and the position of the thickened load-bearing crossbar (13) corresponds to the top position of the base vertical bar (10).

4. A protective railing for construction edge work according to claim 3, characterized in that: A supporting vertical rod (14) is connected between the middle part of the thickened load-bearing horizontal bar (13) and the middle part of the top side bar of the rectangular plate frame (3).

5. A protective railing for construction edge work according to claim 4, characterized in that: A reflective warning sticker (15) is provided on the outer side of the lower panel (5).

6. A protective railing for construction edge work according to claim 5, characterized in that: Diagonal bracing rods (16) are fixedly connected between the two ends of the base horizontal bar (9) and the outer sides of the two base vertical bars (10).

7. A protective railing for construction edge work according to claim 6, characterized in that: The base crossbar (9) is also provided with through holes running from top to bottom at both ends. The through holes are equipped with corresponding ground screws (17). When the ground screws (17) pass through the through holes and are screwed into the bottom surface, they fix the support base (2).

8. A protective railing for construction edge work according to claim 7, characterized in that: When the rotating connecting column (6) and the rotating receiving pipe (8) are sleeved, the bottom end of the rotating connecting column (6) passes through the bottom end of the rotating receiving pipe (8). The bottom end of the rotating connecting column (6) is provided with a transverse through connecting hole (18). The connecting hole (18) is provided with a latch (19). The volume of the latch (19) is larger than the inner diameter of the rotating receiving pipe (8).