Highway bridge protective fence

Abstract

The utility model relates to a highway bridge protective fence which comprises a plurality of stand columns arranged side by side, a pair of transverse rods arranged between every two adjacent stand columns and a plurality of vertical rods arranged between the pair of transverse rods. The end surface gear pair is arranged between the end part of the vertical rod and the rod body of the cross rod; the flexible light-transmitting shell sleeve is arranged on the rod body of the vertical rod in a covering manner; the reflective film is arranged between the vertical rod and the light-transmitting shell sleeve; the reflective film comprises an adhesive layer, an organic-inorganic hybrid photocatalytic finishing coat, a glass bead coating, a reflective film layer and a hydrophobic waterproof film layer which are sequentially arranged in the direction away from the light-transmitting shell sleeve. By adopting the innovative design of the end face gear pair, the flexible light-transmitting shell sleeve, the reflective film with a multi-layer structure and the like, the problems that in the prior art, the reflective film is prone to falling off, poor in durability and the like are effectively solved, and more reliable guarantee is provided for bridge traffic safety.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a highway bridge guardrail. Background Art

[0002] Bridge guardrails, a structure designed for bridges, primarily ensure traffic safety by preventing uncontrolled vehicles from accidentally crossing the bridge. Current bridge guardrails, particularly those designed for the safe operation of non-motorized vehicles at night, often feature reflective film. This film effectively reflects light as non-motorized vehicles pass by, alerting passersby and reducing the risk of them accidentally colliding with the guardrails.

[0003] However, the inventors discovered that there is room for improvement in the aforementioned reflective film technology for guardrails. Currently, the reflective film is directly affixed to the surface of the guardrail, leaving it exposed to the elements. Over time, and due to natural factors like wind, sun, and rain, this direct exposure can easily loosen the bond between the reflective film and the bridge guardrail, potentially causing it to fall off. Therefore, it's necessary to find a more stable and durable method for installing reflective film to ensure it continues to effectively serve as a warning to passersby. Utility Model Content

[0004] The problem to be solved by the present invention is to provide a highway bridge guardrail in view of the above-mentioned deficiencies in the prior art, which solves the problem that the prior reflective film is easy to fall off and provides better durability and stability.

[0005] The above-mentioned utility model object of the present invention is achieved through the following technical solutions:

[0006] A highway bridge guardrail comprises a plurality of columns arranged in parallel, a pair of cross bars arranged between two adjacent columns, and a plurality of vertical bars arranged between the pair of cross bars. The guardrail also comprises an end face gear pair arranged between the ends of the vertical bars and the rod bodies of the cross bars, a flexible light-transmitting shell covering the rod bodies of the vertical bars, and a reflective film arranged between the vertical bars and the light-transmitting shell, wherein the reflective film comprises an adhesive layer, an organic-inorganic hybrid photocatalytic covering layer, a glass bead coating, a reflective film layer, and a hydrophobic waterproof film layer, which are sequentially arranged in a direction away from the light-transmitting shell.

[0007] By adopting the above technical solution, the vertical rod can realize fixed-point rotation between the horizontal rods through the end gear pair, which not only increases the flexibility of the guardrail, but also provides convenience for subsequent maintenance and replacement; the combination of the flexible translucent shell and the reflective film realizes the durability and stability of the reflective effect. Specifically, the multi-layer structure design of the reflective film ensures its stability and reflective effect in various natural environments; the adhesive layer ensures the close fit between the reflective film and the translucent shell, and the organic-inorganic hybrid photocatalytic cover layer enhances the photocatalytic effect of the reflective film, so that it can continue to produce a cleaning effect under light. The reflective film layer is the main functional layer of the reflective film, which provides a stable reflective effect, while the hydrophobic waterproof film layer effectively prevents moisture from eroding the reflective film, ensuring the stability of the reflective film under various weather conditions. In summary, the present invention effectively solves the problems of easy shedding and poor durability of the reflective film in the prior art by adopting innovative designs such as the end gear pair, the flexible light-transmitting shell and the multi-layer reflective film, thereby providing a more reliable guarantee for bridge traffic safety.

[0008] The utility model is further configured as follows: a cavity is opened on the cross bar, and the end face gear pair includes a first end face gear arranged on the cavity, a second end face gear meshing with the first end face gear, and a connecting shaft coaxially arranged on the second end face gear, and the end of the connecting shaft passes through the first end face gear and the cross bar in sequence and is fixed to the end of the vertical bar.

[0009] By adopting the above technical solution, the design of the connecting shaft, etc. not only realizes the rotation of the vertical rod between the cross rods, but also, since the connecting shaft passes through the first end face gear and the cross rod in sequence and is then fixed to the end of the vertical rod, this structural design ensures the stability of the vertical rod during the rotation process, and prevents the vertical rod from shaking or tilting when subjected to external force, thereby further enhancing the overall stability and safety of the guardrail; in addition, the setting of the cavity also provides space for the installation of the first end face gear and the second end face gear, so that the entire end face gear pair can be compactly installed on the cross rod, reducing the overall volume of the guardrail and improving its aesthetics.

[0010] The utility model is further configured as follows: the light-transmitting shell includes a vertical plate which is arranged on one side surface of the vertical rod in the form of a gap cover and is used for the reflective film to be bonded and fixed, a pair of clips which are respectively arranged on both sides of the vertical plate, and a baffle which is arranged at the top of the vertical plate and the pair of clips, an acute angle is formed between the vertical plate and the clips relative to the bent edge of the vertical rod, and the baffle is overlapped on one side surface of the vertical rod.

[0011] By adopting the above technical solution, after the reflective film is bonded and fixed to the vertical board, the light-emitting film can be attached to the vertical bar by buckling the light-transmitting shell onto the vertical bar; at the same time, since an acute angle is formed between the vertical board and the card strip, this design not only enhances the stability of the light-transmitting shell, but also facilitates the bonding and fixation of the reflective film; and the blocking strip not only further enhances the connection strength between the light-transmitting shell and the vertical bar, preventing the light-transmitting shell from falling off or shifting during use, but also shields the top of the reflective film, thereby ensuring the durability and stability of the reflective film.

[0012] The utility model is further configured such that: the side edges of the clip strips are bent and extended in a direction away from the vertical plates and the vertical rods to form flanges.

[0013] By adopting the above technical solution, during installation, the card strip can be fixed to the vertical pole through the guiding effect of the flange; during disassembly, the worker can grab the transparent shell through the flange and force its two sides to deform to remove the transparent shell from the vertical pole, and then remove or replace the reflective film; this structural design not only improves the maintenance convenience of the guardrail, but also reduces maintenance costs.

[0014] The utility model is further configured as follows: the vertical plates are respectively connected to the clamping strips and the flanges in a smooth transition.

[0015] By adopting the above technical solution, it is easy to install and remove the light-transmitting shell.

[0016] The utility model is further configured as follows: the adhesive layer is composed of silica sol.

[0017] The adoption of the above technical solution is conducive to ensuring the stability and reflective effect of the reflective film in various natural environments.

[0018] The utility model is further configured as follows: the organic-inorganic hybrid photocatalytic covering layer is formed by coating an organic-inorganic hybrid photocatalytic covering.

[0019] By adopting the above technical solution, the organic-inorganic hybrid photocatalytic cover layer can continuously produce a cleaning effect under light, preventing the adhesion of dust and dirt, thereby reducing the number of times the reflective film needs to be cleaned, reducing cleaning costs, and also reducing the impact on the environment.

[0020] The utility model is further configured as follows: the glass microbead coating is composed of a plurality of glass microbeads bonded and fixed by an adhesive.

[0021] The adoption of the above technical solution is conducive to ensuring the stability and reflective effect of the reflective film in various natural environments.

[0022] The present invention is further configured such that: the reflective film layer is composed of a metal reflective film.

[0023] The adoption of the above technical solution is conducive to ensuring the stability and reflective effect of the reflective film in various natural environments.

[0024] The utility model is further configured as follows: the hydrophobic waterproof membrane layer is composed of a microporous film.

[0025] The adoption of the above technical solution is conducive to ensuring the stability and reflective effect of the reflective film in various natural environments.

[0026] In summary, the beneficial technical effects of the present invention are as follows: by adopting innovative designs such as end face gear pairs, flexible light-transmitting shells, and multi-layer reflective film, the problems of easy detachment and poor durability of the reflective film in the prior art are effectively solved, providing more reliable protection for bridge traffic safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of a highway bridge guardrail of the present utility model.

[0028] Figure 2 It is a schematic diagram of the connection relationship between the horizontal rod, vertical rod and end gear pair of the utility model.

[0029] Figure 3 It is a schematic diagram of the connection relationship between the vertical rod, the light-transmitting shell and the reflective film of the utility model.

[0030] Figure 4 It is a schematic diagram of the connection relationship between the layers of the reflective film of the present invention.

[0031] In the figure, 1. column; 2. horizontal bar; 21. cavity; 3. vertical bar; 4. end face gear pair; 41. first end face gear; 42. second end face gear; 43. connecting shaft; 5. light-transmitting shell; 51. vertical plate; 52. card strip; 53. baffle; 54. flange; 6. reflective film; 61. adhesive layer; 62. organic-inorganic hybrid photocatalytic covering layer; 63. glass bead coating; 64. reflective film layer; 65. hydrophobic waterproof film layer. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and functions achieved by the present invention clearer and easier to understand, the present invention is further explained below with reference to the accompanying drawings and specific implementation methods.

[0033] Reference Figure 1The present invention discloses a highway bridge guardrail comprising a plurality of parallel columns 1, a pair of crossbars 2 disposed between adjacent columns 1, a plurality of vertical bars 3 disposed between the pair of crossbars 2, a face gear pair 4 disposed between the ends of the vertical bars 3 and the bodies of the crossbars 2, a flexible light-transmitting cover 5 covering the bodies of the vertical bars 3, and a reflective film 6 disposed between the vertical bars 3 and the light-transmitting cover. The vertical bars 3 are capable of fixed-point rotation between the crossbars 2 via the face gear pair 4, while the combination of the flexible light-transmitting cover 5 and the reflective film 6 ensures a durable and stable reflective effect.

[0034] Reference Figure 2 First, a cavity 21 is defined in the crossbar 2. The face gear pair 4 includes a first face gear 41 disposed in the cavity 21, a second face gear 42 meshing with the first face gear 41, and a connecting shaft 43 coaxially disposed on the second face gear 42. The end of the connecting shaft 43 passes through the first face gear 41 and the crossbar 2 in sequence, and is fixed to the end of the vertical bar 3.

[0035] The design of the connecting shaft 43 and the like not only realizes the rotation of the vertical rod 3 between the cross rod 2, but also, since the connecting shaft 43 passes through the first end face gear 41 and the cross rod 2 in sequence and is then fixed to the end of the vertical rod 3, this structural design ensures the stability of the vertical rod 3 during the rotation process, and prevents the vertical rod 3 from shaking or tilting when subjected to external force, thereby further enhancing the overall stability and safety of the guardrail; in addition, the setting of the cavity 21 also provides space for the installation of the first end face gear 41 and the second end face gear 42, so that the entire end face gear pair 4 can be compactly installed on the cross rod 2, reducing the overall volume of the guardrail and improving its aesthetics.

[0036] Reference Figure 3 Secondly, the light-transmitting housing 5 includes a riser 51, which is gap-covered on one side of the vertical bar 3 and is bonded to the reflective film 6, a pair of clips 52 disposed on either side of the riser 51, and a stopper 53 disposed at the top of the riser 51 and the pair of clips 52. The side edges of the clips 52 bend and extend away from the riser 51 and the vertical bar 3, forming flanges 54. The riser 51 and the clips 52 form an acute angle relative to the bent edge of the vertical bar 3. The stopper 53 overlaps one side of the vertical bar 3, and the riser 51 smoothly transitions to the clips 52 and flanges 54.

[0037] After the reflective film 6 is bonded and secured to the vertical plate 51, the translucent housing 5 is snapped onto the vertical bar 3, allowing the reflective film to adhere to the vertical bar 3. Furthermore, due to the acute angle formed between the vertical plate 51 and the retaining strip 52, this design not only enhances the stability of the translucent housing 5 but also facilitates the bonding and securing of the reflective film 6. The retaining strip 53 not only further strengthens the connection between the translucent housing 5 and the vertical bar 3, preventing it from falling off or shifting during use, but also shields the top of the reflective film 6, ensuring its durability and stability. During installation, the retaining strip 52 can be secured to the vertical bar 3 using the guiding action of the flange 54. During removal, workers can grasp the translucent housing 5 using the flange 54 and force its sides to deform, removing it from the vertical bar 3. The reflective film 6 can then be removed or replaced. This structural design not only improves the maintenance convenience of the guardrail but also reduces maintenance costs.

[0038] Reference Figure 4 Finally, the reflective film 6 includes an adhesive layer 61, an organic-inorganic hybrid photocatalytic overcoat layer 62, a glass bead coating 63, a reflective film layer 64, and a hydrophobic waterproof film layer 65, which are sequentially arranged in a direction away from the light-transmitting shell 5. The adhesive layer 61 is composed of silica sol, the organic-inorganic hybrid photocatalytic overcoat layer 62 is formed by coating an organic-inorganic hybrid photocatalytic overcoat, the glass bead coating 63 is composed of a plurality of glass beads bonded and fixed by an adhesive, the reflective film layer 64 is composed of a metal reflective film, and the hydrophobic waterproof film layer 65 is composed of a microporous film.

[0039] The structures of the reflective sheeting 6, including the adhesive layer 61, the organic-inorganic hybrid photocatalytic overcoat 62, the glass bead coating 63, the reflective film layer 64, and the hydrophobic waterproof film layer 65, have been carefully considered and optimized to ensure the stability and reflective performance of the reflective sheeting 6 in various natural environments. Furthermore, these structures are designed with environmental and energy-saving considerations in mind. For example, the organic-inorganic hybrid photocatalytic overcoat 62 continuously cleans under illumination, preventing the adhesion of dust and dirt. This reduces the frequency of cleaning of the reflective sheeting 6, lowers cleaning costs, and minimizes environmental impact.

[0040] The working principle of this embodiment is as follows: the vertical rod 3 can achieve fixed-point rotation between the horizontal rods 2 through the end gear pair 4, which not only increases the flexibility of the guardrail but also facilitates subsequent maintenance and replacement. The combination of the flexible transparent shell 5 and the reflective film 6 achieves a durable and stable reflective effect. Specifically, the multi-layer structure of the reflective film 6 ensures its stability and reflective effect in various natural environments. The adhesive layer 61 ensures a close fit between the reflective film 6 and the transparent shell 5, while the organic-inorganic hybrid photocatalytic overcoat 62 enhances the photocatalytic effect of the reflective film 6, allowing it to continuously clean under light and prevent the adhesion of dust and dirt. The glass bead coating 63 further enhances the reflective effect, making the reflected light brighter. The reflective film layer 64 is the main functional layer of the reflective film 6, providing a stable reflective effect. The hydrophobic waterproof film layer 65 effectively prevents moisture from eroding the reflective film 6, ensuring its stability in various weather conditions.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A highway bridge guardrail, comprising a plurality of columns (1) arranged in parallel, a pair of cross bars (2) arranged between two adjacent columns (1), and a plurality of vertical bars (3) arranged between the pair of cross bars (2), characterized in that: The invention also comprises an end face gear pair (4) arranged between the end of the vertical rod (3) and the rod body of the horizontal rod (2), a flexible light-transmitting shell (5) covering the rod body of the vertical rod (3), and a reflective film (6) arranged between the vertical rod (3) and the light-transmitting shell, wherein the reflective film (6) comprises an adhesive layer (61), an organic-inorganic hybrid photocatalytic coating layer (62), a glass bead coating (63), a reflective film layer (64), and a hydrophobic waterproof film layer (65), which are sequentially arranged in a direction away from the light-transmitting shell (5).

2. A highway bridge guardrail according to claim 1, characterized in that: A cavity (21) is provided on the crossbar (2), and the face gear pair (4) comprises a first face gear (41) arranged on the cavity (21), a second face gear (42) meshing with the first face gear (41), and a connecting shaft (43) coaxially arranged on the second face gear (42), wherein the end of the connecting shaft (43) passes through the first face gear (41) and the crossbar (2) in sequence and is fixed to the end of the vertical bar (3).

3. The highway bridge guardrail according to claim 1, characterized in that: The light-transmitting shell (5) comprises a vertical plate (51) which is arranged on one side surface of the vertical rod (3) in a gap-covered manner and for the reflective film (6) to be bonded and fixed, a pair of clamping strips (52) respectively arranged on both sides of the vertical plate (51), and a blocking strip (53) arranged at the top end of the vertical plate (51) and the pair of clamping strips (52), wherein an acute angle is formed between the vertical plate (51) and the clamping strip (52) relative to the bent edge of the vertical rod (3), and the blocking strip (53) is overlapped on one side surface of the vertical rod (3).

4. A highway bridge guardrail according to claim 3, characterized in that: The side edge of the clip strip (52) is bent and extended in a direction away from the vertical plate (51) and the vertical rod (3) to form a flange (54).

5. The highway bridge guardrail according to claim 4, characterized in that: The vertical plate (51) is respectively connected to the clamping strip (52) and the flange (54) in a smooth transition manner.

6. The highway bridge guardrail according to claim 1, characterized in that: The adhesive layer (61) is composed of silica sol.

7. The highway bridge guardrail according to claim 1, characterized in that: The organic-inorganic hybrid photocatalytic finish layer (62) is formed by coating an organic-inorganic hybrid photocatalytic finish paint.

8. The highway bridge guardrail according to claim 1, characterized in that: The glass microbead coating (63) is composed of a plurality of glass microbeads bonded and fixed by an adhesive.

9. The highway bridge guardrail according to claim 1, characterized in that: The reflective film layer (64) is composed of a metal reflective film.

10. The highway bridge guardrail according to claim 1, characterized in that: The hydrophobic waterproof membrane layer (65) is composed of a microporous film.

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