Assembly type adjustable guardrail system in steel trestle
Through the prefabricated adjustable guardrail system, bolt connections are used instead of welding, the problems of complex installation of steel trest guardrails and material loss are solved, and efficient installation is achieved to adapt to diversified distribution beam models, improving construction safety and efficiency.
Patent Information
- Application Number
- CN202422714930.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-07
AI Technical Summary
The installation of existing steel trest guardrails relies on welding methods, resulting in complex construction, large material losses, and not suitable for different types of distribution beams, affecting construction efficiency and environmental safety.
The prefabricated adjustable guardrail system is adopted, and it is connected by bolts, including guardrail base, bridge deck, skirting board and guardrail. It is adapted to different types of distribution beams, cancel the welding process, and uses bolt connections.
Improves the safety and efficiency of the construction site, reduces material losses and environmental impact, simplifies the installation process, and adapts to a variety of distribution beam models.
Smart Images

Figure CN223304854U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel trestle bridges, in particular to an assembled adjustable guardrail system in a steel trestle bridge. Background Art
[0002] With the continuous development of society, the number of bridge and cofferdam projects in my country is increasing, and the demand for steel trestles is also rising. In such a construction environment, guardrails, as important facilities to ensure the safety of construction site personnel, are particularly critical. However, the installation of steel trestles guardrails currently mostly relies on welding. This welding method not only makes the construction process complicated and tedious, but also significantly degrades the steel trestles' materials, thus affecting their overall stability and durability. In addition, as the number of steel trestles continues to grow, the distribution beam models of their main structures are also becoming more diverse, leading to increasingly prominent issues with the adaptability of guardrails. Utility Model Content
[0003] In view of this, in order to solve the above problems, the purpose of the present invention is to provide an assembled adjustable guardrail system for a steel trestle, comprising: a plurality of guardrail bases, a plurality of bridge decks, a plurality of skirting boards and a plurality of guardrails, wherein the guardrails, the skirting boards and the bridge decks are sequentially arranged between two adjacent guardrail bases from top to bottom;
[0004] Each guardrail base includes: a distribution beam, a column base and a column. The distribution beam extends in the vertical direction. The upper end of the distribution beam is provided with the column base and the bridge deck. The column is provided on the column base. The guardrail is provided between the two columns, and both sides of the guardrail are connected to the columns.
[0005] In another preferred embodiment, the column base includes: a base, a hook, a pad, a washer and a fastener, the two hooks are respectively arranged on both sides of the base, the pad is arranged between the base and the hook, the two sides of the pad are respectively connected to the base and the hook, the washer is arranged between the hook and the fastener, and one end of the fastener passes through the hook, the pad and the washer and extends into the base.
[0006] In another preferred embodiment, the distribution beam includes: an upper flange plate, a lower flange plate and a vertical beam, the upper end of the vertical beam is connected to the upper flange plate, the lower end of the vertical beam is connected to the lower flange plate, and the upper flange plate is arranged between the two hooks.
[0007] In another preferred embodiment, the hook includes: a main body and an extension portion, the main body extends in the vertical direction, the extension portion extends in the horizontal direction in a direction close to the base, the extension portion is fixedly connected to the lower end of the main body, and one side of the main body is connected to the pad.
[0008] In another preferred embodiment, the base is provided on the upper flange plate, the lower end of the upper flange plate abuts against the extension portion, and both sides of the upper flange plate abut against the body.
[0009] In another preferred embodiment, an I-shaped groove is provided at the upper end of the base, a first opening is provided in the middle of the base, a second opening is provided at the lower end of the base, the I-shaped groove is connected to the first opening, and the first opening is connected to the second opening.
[0010] In another preferred embodiment, the cross section of the column is I-shaped, and the lower end of the column passes through the I-shaped groove, the first opening and the second opening and abuts against the upper flange plate.
[0011] In another preferred embodiment, ear plates are provided on both sides of the column, a first connecting groove is provided on the ear plates, and a rib plate is provided at the lower end of the column.
[0012] In another preferred embodiment, second connecting grooves are provided on both sides of the guardrail, and the second connecting grooves match the first connecting grooves.
[0013] Due to the adoption of the above technical solution, the utility model has the following positive effects compared with the prior art: through the application of the utility model, an assembled adjustable guardrail system in a steel trestle is proposed, which can not only adapt to different types of steel trestle distribution beams, especially widely applicable to 20-25 I-beams, but also adopts a bolt connection method, eliminates the welding process and welding process, solves the material loss caused by welding construction, reduces harmful gases and noise generated by welding, reduces the impact on the environment, improves the safety of the construction site, makes the installation process more convenient, and significantly improves construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a structural diagram of an assembled adjustable guardrail system in a steel trestle of the present invention;
[0015] Figure 2 This is a structural diagram of a column base of an assembled adjustable guardrail system in a steel trestle of the present invention;
[0016] Figure 3 A top view of a column of an assembled adjustable guardrail system in a steel trestle according to the present invention;
[0017] Figure 4 This is a front view of a column of an assembled adjustable guardrail system in a steel trestle according to the present invention;
[0018] Figure 5 It is a side view of a column of an assembled adjustable guardrail system in a steel trestle of the present invention;
[0019] Figure 6 This is a structural schematic diagram of a guardrail of an assembled adjustable guardrail system in a steel trestle according to the present invention;
[0020] Figure 7 The utility model is a schematic diagram of the installation of an assembled adjustable guardrail system in a steel trestle.
[0021] In the attached figure:
[0022] 1. Guardrail base; 2. Bridge deck; 3. Skirting board; 4. Guardrail; 5. Distribution beam; 6. Column base; 7. Column; 8. Base; 9. Hook; 10. Pad; 11. Washer; 12. Fastener; 13. Upper flange plate; 14. Lower flange plate; 15. Vertical beam; 16. Main body; 17. Extension; 18. I-shaped groove; 19. Ear plate; 20. Rib plate; 21. Second connecting groove. DETAILED DESCRIPTION
[0023] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0024] In the description of the present invention, it should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inside", "outside", "front", "back", "horizontal", and "vertical" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, and therefore cannot be understood as a limitation on the present invention.
[0025] It should be noted that the terms “horizontal” and “vertical” in the present invention are used to describe a rough positional relationship, rather than a strict “horizontal plane” or “vertical plane”.
[0026] like Figures 1 to 7As shown, a preferred embodiment of an assembled adjustable guardrail system in a steel trestle is shown, comprising: a plurality of guardrail bases 1, a plurality of bridge decks 2, a plurality of skirting boards 3 and a plurality of guardrails 4, wherein guardrails 4, skirting boards 3 and bridge decks 2 are sequentially arranged between two adjacent guardrail bases 1 from top to bottom;
[0027] Each guardrail base 1 includes: a distribution beam 5, a column base 6 and a column 7. The distribution beam 5 extends in the vertical direction. The upper end of the distribution beam 5 is provided with a column base 6 and a bridge deck 2. The column base 6 is provided with a column 7. The guardrail 4 is provided between the two columns 7, and both sides of the guardrail 4 are connected to the columns 7.
[0028] Furthermore, as a preferred embodiment, the distribution beam 5 and the bridge deck 2 are first installed, and then the column base 6 is installed on the distribution beam 5. After the column base 6 is installed, the column 7 is installed. The lower end of the column 7 passes through the column base 6, and the column 7 and the column base 6 are fixed by bolts. The guardrail 4 is installed between the two columns 7, and the guardrail 4 and the column 7 are fixed by bolts. Finally, the skirting board 3 is installed.
[0029] Furthermore, as a preferred embodiment, the column base 6 includes: a base 8, a hook 9, a pad 10, a washer 11 and a fastener 12. The two hooks 9 are respectively arranged on both sides of the base 8, the pad 10 is arranged between the base 8 and the hook 9, the two sides of the pad 10 are respectively connected to the base 8 and the hook 9, the washer 11 is arranged between the hook 9 and the fastener 12, and one end of the fastener 12 passes through the hook 9, the pad 10 and the washer 11 and extends into the base 8. Furthermore, the pad 10 is used to reinforce and improve the overall stability effect.
[0030] Further, as a preferred embodiment, the fastener 12 is preferably a bolt and a nut. Further, by adjusting the fastener 12, different types of distribution beams 5 can be set between the two hooks 9.
[0031] Furthermore, as a preferred embodiment, the distribution beam 5 includes: an upper flange plate 13, a lower flange plate 14 and a vertical beam 15, the upper end of the vertical beam 15 is connected to the upper flange plate 13, the lower end of the vertical beam 15 is connected to the lower flange plate 14, and the upper flange plate 13 is arranged between the two hooks 9.
[0032] Furthermore, as a preferred embodiment, the lower surface of the upper flange plate 13 and the upper surface of the lower flange plate 14 are both arc-shaped, and both ends of the vertical beam 15 are connected to the middle of the upper flange plate 13 and the middle of the lower flange plate 14 respectively.
[0033] Furthermore, as a preferred embodiment, the upper flange plate 13 is fitted with the hook 9 .
[0034] Furthermore, as a preferred embodiment, the hook 9 includes: a main body 16 and an extension portion 17, the main body 16 is extended in the vertical direction, the extension portion 17 extends in the horizontal direction in the direction close to the base 8, the extension portion 17 is fixedly connected to the lower end of the main body 16, and one side of the main body 16 is connected to the pad 10.
[0035] Furthermore, as a preferred embodiment, the upper flange plate 13 is arranged between the two extensions 17 , and the upper surface of the extension 7 is inclined so that the upper surface of the extension 7 can completely contact the lower surface of the upper flange plate 13 .
[0036] Furthermore, as a preferred embodiment, the main body 16 and the extension portion 17 are preferably an integrated structure.
[0037] Furthermore, as a preferred embodiment, the base 8 is disposed on the upper flange plate 13 , the lower end of the upper flange plate 13 abuts against the extension portion 17 , and both sides of the upper flange plate 13 abut against the body 16 .
[0038] Furthermore, as a preferred embodiment, an I-shaped groove 18 is provided at the upper end of the base 8, a first opening is provided in the middle of the base 8, a second opening is provided at the lower end of the base 8, the I-shaped groove 18 is connected to the first opening, and the first opening is connected to the second opening.
[0039] Furthermore, as a preferred embodiment, the cross section of the column 7 is I-shaped, and the lower end of the column 7 passes through the I-shaped groove 18 , the first opening and the second opening and abuts against the upper flange plate 13 .
[0040] Furthermore, as a preferred embodiment, the column 7 is preferably an I-beam.
[0041] Furthermore, as a preferred embodiment, ear plates 19 are provided on both sides of the column 7, and the ear plates 19 are provided with first connecting grooves. A rib plate 20 is provided at the lower end of the column 7. Furthermore, the rib plate 20 is used to enhance the overall strength and stability of the column 7, ensuring the safety and service life of the column 7.
[0042] Furthermore, as a preferred embodiment, second connecting grooves 21 are provided on both sides of the guardrail 4 , and the second connecting grooves 21 match with the first connecting grooves.
[0043] Furthermore, as a preferred embodiment, a plurality of connecting ears are provided on both sides of the guardrail 4, and the second connecting groove 21 is provided in the middle of the connecting ears.
[0044] Furthermore, as a preferred embodiment, bolts and nuts are provided in the first connecting groove and the second connecting groove 21 , and the guardrail 4 and the column 7 are fixed by the bolts and nuts.
[0045] The above description is only a preferred embodiment of the present invention and does not limit the implementation method and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.
Claims
1. An assembled adjustable guardrail system in a steel trestle, characterized in that: include: A plurality of guardrail bases, a plurality of bridge decks, a plurality of skirting boards and a plurality of guardrails, wherein the guardrails, the skirting boards and the bridge decks are sequentially arranged between two adjacent guardrail bases from top to bottom; Each guardrail base includes: a distribution beam, a column base and a column. The distribution beam extends in the vertical direction. The upper end of the distribution beam is provided with the column base and the bridge deck. The column is provided on the column base. The guardrail is provided between the two columns, and both sides of the guardrail are connected to the columns.
2. The assembled adjustable guardrail system in the steel trestle according to claim 1 is characterized in that: The column base includes: a base, a hook, a pad, a washer and a fastener, the two hooks are respectively arranged on both sides of the base, the pad is arranged between the base and the hook, the two sides of the pad are respectively connected to the base and the hook, the washer is arranged between the hook and the fastener, and one end of the fastener passes through the hook, the pad and the washer and extends into the base.
3. The assembled adjustable guardrail system in the steel trestle according to claim 2 is characterized in that: The distribution beam includes an upper flange plate, a lower flange plate and a vertical beam, the upper end of the vertical beam is connected to the upper flange plate, the lower end of the vertical beam is connected to the lower flange plate, and the upper flange plate is arranged between the two hooks.
4. The assembled adjustable guardrail system in the steel trestle according to claim 3 is characterized in that: The hook includes: a body and an extension part, the body extends in the vertical direction, the extension part extends in the horizontal direction in the direction close to the base, the extension part is fixedly connected to the lower end of the body, and one side of the body is connected to the pad.
5. The assembled adjustable guardrail system in the steel trestle according to claim 4 is characterized in that: The base is arranged on the upper flange plate, the lower end of the upper flange plate abuts against the extension portion, and both sides of the upper flange plate abut against the body.
6. The assembled adjustable guardrail system in the steel trestle according to claim 3 is characterized in that: An I-shaped groove is provided at the upper end of the base, a first opening is provided in the middle of the base, a second opening is provided at the lower end of the base, the I-shaped groove is communicated with the first opening, and the first opening is communicated with the second opening.
7. The assembled adjustable guardrail system in the steel trestle according to claim 6 is characterized in that: The cross section of the column is I-shaped, and the lower end of the column passes through the I-shaped groove, the first opening and the second opening and abuts against the upper flange plate.
8. The assembled adjustable guardrail system in the steel trestle according to claim 2 is characterized in that: Ear plates are provided on both sides of the column, a first connecting groove is provided on the ear plates, and a rib plate is provided at the lower end of the column.
9. The assembled adjustable guardrail system in the steel trestle according to claim 8, characterized in that: Second connecting grooves are provided on both sides of the guardrail, and the second connecting grooves match the first connecting grooves.