Edge protective fence for steel structure bridge
By increasing friction through anti-slip strips and coatings, and combining them with connecting and supporting devices, the convenience and safety issues of edge protection railings for steel structure bridges have been resolved, achieving stable connection and rapid deployment and retraction.
Patent Information
- Application Number
- CN202423214563.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The existing steel structure bridge edge protection railings are inconvenient to retract and extend due to the support frame, which affects the efficiency of transportation and handling. Furthermore, the connections are prone to loosening, resulting in reduced connectivity and a risk of slipping.
Anti-slip strips and coatings are used to increase friction, a connecting device is used to adjust the length, and a support device is set up for additional support, making it easy to connect and retract quickly.
The safety and connectivity of the guardrails have been improved, ensuring stability and enhancing convenience, thus avoiding the impact of transportation and handling.
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Figure CN223620784U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of protective measures for building construction, and in particular to a protective railing for the edge of a steel structure bridge. Background Technology
[0002] Steel structure bridge edge protection railings are safety protection facilities used during bridge construction and operation. They are an indispensable safety facility in the construction, maintenance and use of bridges, designed to prevent people and objects from falling from the edge of the bridge and to ensure the safety of construction workers and passing vehicles.
[0003] Currently, the support frames of steel structure bridge edge protection railings are difficult to retract during use, which can affect work efficiency during transportation and handling, thus reducing the convenience of retracting and extending the support frames. Furthermore, during long-term connection between railings, bolts can easily loosen, leading to connection interruptions and reducing the overall connectivity of the railings. Therefore, those skilled in the art have provided a steel structure bridge edge protection railing to solve the problems mentioned in the background. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a steel structure bridge edge protection railing. Through the combined use of anti-slip strips and an anti-slip coating, the friction of the protective crossbar surface is increased, effectively preventing pedestrians from slipping and falling in wet, oily, or icy conditions, thus avoiding the risk of accidents caused by slipping and improving safety. Furthermore, the connecting device allows for the connection between the protective vertical bars, enabling the length to be adjusted according to the specific needs of the workers, and facilitating quick connection and fixation, thereby improving connectivity. Finally, the support device provides additional support for the protective vertical bars, ensuring the stability of the railing and facilitating quick deployment and retrieval by workers, avoiding interference with the transportation and handling of the railing, thus improving the ease of use of the support frame.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a steel structure bridge edge protection railing, comprising two protective vertical bars and two protective horizontal bars. The two protective vertical bars are arranged horizontally, and the two protective horizontal bars are respectively located at the center near the top and bottom of the two protective vertical bars. Multiple fixing rods are arranged horizontally at the center of each of the two protective horizontal bars. Fixing seats are provided at the lower center of the front and rear end faces of each of the two protective vertical bars. Anti-slip strips are provided at the center of the front and rear end faces and the upper and lower end faces of each of the two protective horizontal bars. Anti-slip coatings are provided on the outer surfaces of the two protective horizontal bars and the outer surfaces of the multiple anti-slip strips. Connecting devices are provided at the upper and lower center of one side of the protective vertical bar and the upper and lower center of the other side of the protective vertical bar. Supporting devices are provided at the lower center of the front and rear end faces of each of the two protective vertical bars.
[0006] The above technical solution, through the combined use of anti-slip strips and anti-slip coatings, increases the friction of the protective crossbar surface, effectively preventing pedestrians from slipping and falling in wet, oily, or icy conditions, thus avoiding the risk of accidents caused by slipping and improving safety.
[0007] Furthermore, the four connecting devices include four hook blocks, four magnetic blocks, and four slots. The four hook blocks are respectively located at the center of one side of the two protective vertical bars, near the top and bottom. The four hook blocks are nested together. The four magnetic blocks are located at the center of one inner sidewall of the four hook blocks. The four slots are respectively located at the center of the front face of the four hook blocks, near one side, and pass through the four hook blocks to the rear face of the four hook blocks. The four slots are fixedly connected by pins. The four magnetic blocks attract each other.
[0008] The above technical solution, through the connection of hook blocks, the mutual attraction of magnetic blocks, and the fixed connection of slots with pins, satisfies the connection between protective vertical bars. It allows for the adjustment of the connection length according to the specific use of the staff, and facilitates quick connection and fixation, thereby improving the connectivity.
[0009] Furthermore, the support device includes a square groove, a sleeve groove, two first sliding grooves, a rotating shaft, a support frame, and bolts. The square groove is located at the front end face of the protective vertical rod, the sleeve groove is located at the center of the inner wall of the square groove, the two first sliding grooves are respectively located at the center of the two inner side walls of the sleeve groove, the rotating shaft is located at the upper center of the square groove, and its two ends are slidably connected to the two first sliding grooves respectively, the support frame is located at the center of the front end face of the rotating shaft, and is sleeved and connected to the square groove and the sleeve groove, and the bolt is located at the upper center of the front end face of the protective vertical rod, and its end passes through the protective vertical rod to the inner wall of the sleeve groove.
[0010] The above technical solution uses a rotating shaft to drive the support frame to rotate, thus providing additional support for the protective vertical rod. Furthermore, the support frame is connected to the square groove and the sleeve groove to facilitate the recycling of the support frame.
[0011] Furthermore, a limiting groove is provided at the upper center of the inner wall of the square groove, and is sleeved and connected to the rotating shaft. A second sliding groove is provided at the center of the two inner side walls of the limiting groove, and is slidably connected to the two ends of the rotating shaft respectively. The two second sliding grooves are respectively connected to the two first sliding grooves.
[0012] The above technical solution uses a rotating shaft fitted inside a limiting groove to limit the position of the support frame, preventing the support frame from shifting during the support process and affecting its support of the protective vertical rod. The rotating shaft is slidably connected to the second sliding groove to allow for its movement.
[0013] Furthermore, the support frame has an insertion hole at the upper center of the front end face, which is connected to the bolt, and a hand handle is provided at the lower center of the front end face.
[0014] The above technical solution uses a connection between bolts and sockets to secure the support frame after it is recovered, preventing movement during transportation and handling. The handheld lever also makes it easy for staff to operate.
[0015] Furthermore, each of the aforementioned anti-slip coatings is an epoxy resin;
[0016] The above technical solution, through the anti-slip coating of epoxy resin, enables the protective crossbar to provide anti-slip performance and enhances wear resistance and corrosion resistance.
[0017] This utility model has the following beneficial effects:
[0018] 1. In this utility model, when used as a protective railing at the edge of a steel structure bridge, the support device provides additional support for the protective vertical bars, ensuring the stability of the railing and facilitating quick deployment and retrieval by workers, thus avoiding interference with the transportation and handling of the railing and improving the ease of use of the support frame.
[0019] 2. In this utility model, the connection device enables the connection between protective vertical bars, allowing for length adjustment based on the specific usage conditions of the workers, and facilitating quick connection and fixation, thereby improving connectivity.
[0020] 3. In this utility model, the anti-slip strip and the anti-slip coating work together to increase the friction on the surface of the protective crossbar, and effectively prevent pedestrians from slipping and falling in wet, oily, or icy conditions, thus avoiding the risk of accidents caused by slipping and improving safety. Attached Figure Description
[0021] Figure 1 This is a perspective view of a steel structure bridge edge protection railing proposed in this utility model;
[0022] Figure 2 This is a side sectional view of a steel structure bridge edge protection railing vertical rod proposed in this utility model;
[0023] Figure 3 for Figure 1 Enlarged view of point A in the middle;
[0024] Figure 4 for Figure 2 Enlarged diagram of point B in the middle.
[0025] Legend:
[0026] 1. Protective vertical bar; 2. Protective horizontal bar; 3. Fixing bar; 4. Fixing base; 5. Anti-slip strip; 6. Anti-slip coating; 7. Connecting device; 701. Hook block; 702. Magnetic block; 703. Slot; 8. Support device; 801. Square groove; 802. Sleeve groove; 803. First slide groove; 804. Rotating shaft; 805. Support frame; 806. Bolt; 807. Insertion hole; 808. Hand handle; 809. Limiting groove; 810. Second slide groove. Detailed Implementation
[0027] 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.
[0028] Reference Figure 1-4This utility model provides an embodiment of a steel structure bridge edge protection railing, comprising two protective vertical bars 1 and two protective horizontal bars 2. The two protective vertical bars 1 are arranged horizontally, and the two protective horizontal bars 2 are respectively located at the upper and lower center of the two protective vertical bars 1. Multiple fixing rods 3 are arranged horizontally at the center of each of the two protective horizontal bars 2. Fixing seats 4 are provided at the lower center of the front and rear end faces of each of the two protective vertical bars 1. Anti-slip strips 5 are provided at the center of the front and rear end faces and the upper and lower end faces of each of the two protective horizontal bars 2. Anti-slip coatings 6 are provided on the outer surfaces of the two protective horizontal bars 2 and the outer surfaces of the multiple anti-slip strips 5. Through the combined use of the anti-slip strips 5 and the anti-slip coating 6, the friction of the surface of the protective horizontal bars 2 is increased, effectively preventing pedestrians from slipping on wet, oily, or icy conditions. The design prevents slipping and avoids the risk of accidents caused by slipping, thus improving safety. Connecting devices 7 are provided at the top and bottom of the center of one side of the protective vertical bar 1 and at the top and bottom of the center of the other side of the protective vertical bar 1. These connecting devices 7 allow for connection between the protective vertical bars 1, enabling the connection length to be adjusted according to the specific needs of the workers, and facilitating quick connection and fixation, thereby improving connectivity. Supporting devices 8 are provided at the bottom of the center of both the front and rear ends of the two protective vertical bars 1. These support devices 8 provide additional support for the protective vertical bars 1, ensuring the stability of the guardrail, and facilitating quick deployment and retrieval by workers, avoiding interference with the transportation and handling of the guardrail, thus improving the ease of use of the support frame 805.
[0029] The four connecting devices 7 include four hook blocks 701, four magnetic blocks 702, and four slots 703. The four hook blocks 701 are respectively located at the upper and lower center of one side of the two protective vertical rods 1, and are connected to each other by nesting. The four magnetic blocks 702 are located at the center of one inner side wall of the four hook blocks 701. The four slots 703 are respectively located at the center of the front face of the four hook blocks 701, and pass through the four hook blocks 701 to the rear face of the four hook blocks 701. The four slots 703 are fixedly connected by pins. The four magnetic blocks 702 attract each other. The connection between the protective vertical rods 1 is achieved by nesting the hook blocks 701, attracting each other, and fixing them with pins through the slots 703. This allows for the connection of the protective vertical rods 1, and the length can be adjusted according to the specific use of the personnel. It also facilitates quick connection and fixation by the personnel, thereby improving the connectivity.
[0030] The support device 8 includes a square groove 801, a sleeve groove 802, two first sliding grooves 803, a rotating shaft 804, a support frame 805, and bolts 806. The square groove 801 is located at the front end of the protective vertical rod 1. The sleeve groove 802 is located at the center of the inner wall of the square groove 801. The two first sliding grooves 803 are respectively located at the centers of the two inner side walls of the sleeve groove 802. The rotating shaft 804 is located at the upper center of the square groove 801, and its two ends are slidably connected to the two first sliding grooves 803 respectively. The support frame 8... 05 is set at the center of the front end face of the rotating shaft 804 and is sleeved and connected with the square groove 801 and the sleeve groove 802. The bolt 806 is set at the upper center of the front end face of the protective vertical rod 1 and its end passes through the protective vertical rod 1 to the inner wall of the sleeve groove 802. The rotating shaft 804 drives the support frame 805 to rotate, so as to provide additional support for the protective vertical rod 1. The support frame 805 is sleeved and connected with the square groove 801 and the sleeve groove 802, so as to allow the support frame 805 to be retracted.
[0031] A limiting groove 809 is provided at the upper center of the inner wall of the square groove 801, and is sleeved and connected to the rotating shaft 804. A second sliding groove 810 is provided at the center of each of the two inner side walls of the limiting groove 809, and is slidably connected to the two ends of the rotating shaft 804 respectively. The two second sliding grooves 810 are respectively connected to the two first sliding grooves 803. The rotating shaft 804 is sleeved inside the limiting groove 809, thus satisfying the limiting function of the support frame 805 and preventing the support frame 805 from moving abnormally during support, which would affect the support of the protective vertical rod 1. The rotating shaft 804 is slidably connected to the second slide groove 810, which allows the rotating shaft 804 to move. The support frame 805 has an insertion hole 807 at the upper center of the front end face, which is sleeved with the bolt 806. The support frame 805 has a hand handle 808 at the lower center of the front end face, which is sleeved with the bolt 806 and the insertion hole 807, which allows the support frame 805 to be fixed after being retracted, avoiding movement during transportation and handling. The hand handle 808 also makes it convenient for staff to operate the support frame.
[0032] The multiple anti-slip coatings 6 are made of epoxy resin. The epoxy resin anti-slip coatings 6 enable the protective crossbar 2 to have anti-slip properties and enhance its wear resistance and corrosion resistance.
[0033] Working principle: When used in the edge protection railing of steel structure bridges, the rotating shaft 804 drives the support frame 805 to rotate, providing additional support for the protective vertical rod 1. The support frame 805 is then connected to the square groove 801 and the sleeve groove 802, allowing for the retraction of the support frame 805. The rotating shaft 804 is then fitted inside the limiting groove 809, limiting the position of the support frame 805 and preventing any movement during the support process that could affect the support of the protective vertical rod 1. The rotating shaft 804 is slidably connected to the second slide groove 810, allowing the rotating shaft 804 to move. The bolt 806 is sleeved between the bolt and the insertion hole 807, which allows the support frame 805 to be fixed after being retracted, preventing movement during transportation and handling. The hand handle 808 facilitates operation by the staff, thus ensuring the stability of the guardrail and facilitating quick deployment and retrieval by the staff, avoiding interference with the transportation and handling of the guardrail and improving the ease of use of the support frame 805.
[0034] Then, the hooks 701 are connected by interlocking, the magnetic blocks 702 are attracted to each other, and the slots 703 are fixed by pins, thus satisfying the connection between the protective vertical bars 1. The length of the connection can be adjusted according to the specific use of the staff, and it is convenient for the staff to quickly connect and fix it, thereby improving the connectivity. Finally, the epoxy resin anti-slip coating 6 provides anti-slip performance for the protective horizontal bar 2 and enhances wear resistance and corrosion resistance. The anti-slip strip 5 increases the friction of the surface of the protective horizontal bar 2, and effectively prevents pedestrians from slipping and falling in wet, oily or icy conditions, avoiding the risk of accidents caused by slipping and thus improving safety.
[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 steel structure bridge edge protection railing, comprising two protective vertical bars (1) and two protective horizontal bars (2), wherein the two protective vertical bars (1) are arranged horizontally, and the two protective horizontal bars (2) are respectively arranged at the upper and lower center between the two protective vertical bars (1), characterized in that: Multiple fixing rods (3) are arranged horizontally at the center of the two protective horizontal bars (2). Fixed seats (4) are provided at the lower end of the center of the front and rear ends of the two protective vertical bars (1). Anti-slip strips (5) are provided at the center of the front and rear ends and the upper and lower ends of the two protective horizontal bars (2). Anti-slip coatings (6) are provided on the outer surface of the two protective horizontal bars (2) and the outer surface of the multiple anti-slip strips (5). Connecting devices (7) are provided at the upper and lower ends of the center of one side of the protective vertical bar (1) and the upper and lower ends of the center of the other side of the protective vertical bar (1). Supporting devices (8) are provided at the lower end of the center of the front and rear ends of the two protective vertical bars (1).
2. The steel structure bridge edge protection railing according to claim 1, characterized in that: The four connecting devices (7) include four hook blocks (701), four magnetic blocks (702), and four slots (703). The four hook blocks (701) are respectively located at the center of one side of the two protective vertical rods (1) near the top and bottom. The four hook blocks (701) are connected to each other by nesting. The four magnetic blocks (702) are located at the center of one inner side wall of the four hook blocks (701). The four slots (703) are respectively located at the center of the front end face of the four hook blocks (701) near one side, and respectively pass through the four hook blocks (701) to the rear end face of the four hook blocks (701). The four slots (703) are fixedly connected by pins. The four magnetic blocks (702) are attracted to each other.
3. The steel structure bridge edge protection railing according to claim 1, characterized in that: The support device (8) includes a square groove (801), a sleeve groove (802), two first sliding grooves (803), a rotating shaft (804), a support frame (805), and a bolt (806). The square groove (801) is located at the front end face of the protective vertical rod (1). The sleeve groove (802) is located at the center of the inner wall of the square groove (801). The two first sliding grooves (803) are respectively located at the center of the two inner side walls of the sleeve groove (802). The rotating shaft (804) is located at the upper center of the inside of the square groove (801), and its two ends are slidably connected to the two first sliding grooves (803) respectively. The support frame (805) is located at the center of the front end face of the rotating shaft (804) and is sleeved and connected to the square groove (801). The bolt (806) is located at the upper center of the front end face of the protective vertical rod (1), and its end passes through the protective vertical rod (1) to the rear inner wall of the sleeve groove (802).
4. The steel structure bridge edge protection railing according to claim 3, characterized in that: A limiting groove (809) is provided at the upper center of the inner wall of the square groove (801), and is sleeved and connected to the rotating shaft (804). A second sliding groove (810) is provided at the center of the two inner side walls of the limiting groove (809), and is slidably connected to the two ends of the rotating shaft (804) respectively. The two second sliding grooves (810) are respectively connected to the two first sliding grooves (803).
5. A steel structure bridge edge protection railing according to claim 3, characterized in that: The support frame (805) has an insertion hole (807) at the upper center of the front end face, which is connected to the bolt (806). The support frame (805) has a hand handle (808) at the lower center of the front end face.
6. The steel structure bridge edge protection railing according to claim 1, characterized in that: The multiple anti-slip coatings (6) are epoxy resins.