Anti-collision protection fence for roads and bridges

Abstract

The utility model discloses an anti-collision protection fence for roads and bridges, which comprises at least two supporting columns and two cross rods mounted between the two supporting columns, and the two cross rods are respectively positioned on the upper sides and the lower sides of the supporting columns; the buffer rod pieces are longitudinally installed between the two supporting column bodies, and the buffer rod pieces are installed between the upper transverse rod and the lower transverse rod through installation assemblies; the buffering rod piece made of double flexible materials and elastic materials is adopted, when a vehicle collides with the buffering rod piece, the nylon materials absorb collision impact force generated by the vehicle, a driver and passengers are protected, damage to the vehicle caused by collision is reduced, and the maintenance cost of the vehicle is reduced; when a vehicle collides with the outer sleeve, the outer sleeve drives the torsion spring to deform, the torsion spring further counteracts impact force generated by vehicle collision, and the safety of the vehicle is further guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of road maintenance technology and relates to a crash barrier for road bridges. Background Technology

[0002] Road guardrails are the most important traffic infrastructure for highways and municipal roads, playing a significant role in national economic and social development. Installed at the edges of roads or bridges, road guardrails not only delineate road traffic zones, ensuring orderly movement of vehicles within their designated areas, but also prevent vehicles from veering off the road in case of loss of control, thus avoiding more serious damage to life and property.

[0003] Existing conventional road and bridge guardrails are usually fixed guardrail structures. Although these guardrails provide good protection for pedestrians and vehicles, when a vehicle hits the guardrail, the guardrail does not have a cushioning effect, which not only causes serious impact damage to the vehicle and increases the vehicle's repair costs, but also requires the replacement of the entire guardrail, increasing the replacement cost.

[0004] To address the aforementioned problems, this utility model proposes a crash barrier for roads and bridges. Utility Model Content

[0005] To address the problems existing in the background technology, this utility model proposes a road and bridge maintenance device.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a crash barrier for roads and bridges, comprising at least two supporting columns and two horizontal bars installed between the two supporting columns, the two horizontal bars being respectively located on the upper and lower sides of the supporting columns; further comprising a plurality of buffer rods installed longitudinally between the two supporting columns, the plurality of buffer rods being installed between the upper and lower horizontal bars by an installation assembly.

[0007] Furthermore, the buffer rod includes an outer sleeve made of flexible material, which is installed between the upper and lower crossbars via an installation assembly.

[0008] Furthermore, a reflective layer is provided on the outer edge surface of the outer sleeve.

[0009] Furthermore, the buffer rod also includes an inner support rod made of elastic material, which is inserted into the outer sleeve and installed between the upper and lower crossbars by an installation assembly.

[0010] Furthermore, the mounting assembly includes a first mounting member and a second mounting member; the first mounting member fixes the outer sleeve and the inner support rod to the upper crossbar, and the second mounting member fixes the outer sleeve and the inner support rod to the lower crossbar.

[0011] Furthermore, the first mounting component includes a first mounting sleeve, a first fastener, and a first mounting bolt; a first limiting part is provided inside the first mounting sleeve, the upper end of the outer sleeve is inserted into the first mounting sleeve, and the upper end of the inner support rod is inserted into the first limiting part; the upper end of the outer sleeve and the upper end of the inner support rod are fixed to the first mounting sleeve by the first fastener; a first fixing lug is provided on the outer edge surface of the first mounting sleeve, and the first mounting sleeve is mounted on the upper crossbar by the first mounting bolt and the first fixing lug.

[0012] Furthermore, the upper crossbar is provided with a mounting groove that is compatible with the first mounting sleeve.

[0013] Furthermore, the second mounting component includes a second mounting sleeve, a second fastener, and a second mounting bolt; a second limiting part is provided inside the second mounting sleeve, the lower end of the outer sleeve is inserted into the second mounting sleeve, and the lower end of the inner support rod is inserted into the second limiting part; the lower end of the outer sleeve and the lower end of the inner support rod are fixed to the second mounting sleeve by the second fastener; a second fixing lug is provided on the outer edge surface of the second sleeve, and the second mounting sleeve is installed on the lower crossbar by the second mounting bolt and the second fixing lug.

[0014] Furthermore, a support pier is installed at the bottom of the support column.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention uses a buffer rod with dual flexible and elastic materials. When the vehicle hits the buffer rod, the nylon material absorbs the impact force generated by the vehicle, protects the occupants, reduces the damage to the vehicle from the impact, and reduces vehicle maintenance costs. When the vehicle hits the outer sleeve, the outer sleeve causes the torsion spring to deform. The torsion spring further offsets the impact force generated by the vehicle impact, further ensuring vehicle safety. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 This is the front view of this utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the buffer rod and the mounting assembly in this utility model;

[0019] Figure 4 This is a schematic diagram of the second-direction installation structure of the buffer rod and the installation assembly in this utility model;

[0020] Figure 5 This is a schematic diagram of the third-party installation structure of the buffer rod and the installation assembly in this utility model;

[0021] Figure 6 yes Figure 4 Enlarged view of section A in the middle;

[0022] Figure 7 yes Figure 4 Enlarged view of section B;

[0023] Figure 8 yes Figure 5 Enlarged view of section C;

[0024] Figure 9 yes Figure 5 Enlarged view of section D in the middle.

[0025] In the diagram: 1. Support column; 2. Crossbar; 3. Buffer rod; 31. Outer sleeve; 32. Inner support rod; 4. Reflective layer; 5. First mounting component; 51. First mounting sleeve; 511. First limiting part; 512. First fixing ear; 52. First fastener; 53. First mounting bolt; 6. Second mounting component; 61. Second mounting sleeve; 611. Second limiting part; 612. Second fixing ear; 62. Second fastener; 63. Second mounting bolt. Detailed Implementation

[0026] 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.

[0027] like Figures 1-9 As shown, the technical solution adopted by this utility model is as follows: A crash barrier for roads and bridges includes at least two supporting columns 1 and two horizontal bars 2 installed between the two supporting columns 1. The two horizontal bars 2 are respectively located on the upper and lower sides of the supporting columns 1. It also includes a plurality of buffer bars installed longitudinally between the two supporting columns 1. The buffer bars are installed between the upper and lower horizontal bars 2 by an installation assembly. The buffer bars are arranged equidistantly along the length of the crash barrier body. The supporting columns 1 serve as the main support structure of the crash barrier body, ensuring its stable installation on the road surface and providing stable support. The upper and lower horizontal bars 2 serve as the connecting support structure for the buffer bars, and the buffer bars are firmly installed on the horizontal bars 2.

[0028] In this embodiment, specifically, a support pier is installed at the bottom of the support column 1. The support pier has a threaded hole penetrating the ground. The support column 1 and the support pier are connected by bolts or welding. The support column 1 is then fixed to the designated road surface via the support pier and bolts. Connecting lugs are welded or bolted to the upper and lower ends of the side wall of the support column 1. Two connecting lugs are respectively provided corresponding to two crossbars 2. The crossbars 2 and their corresponding connecting lugs are bolted together, facilitating the installation of the crossbars 2 onto the support column 1. Several buffer rods are installed between the two crossbars 2 via an installation assembly.

[0029] In this embodiment, the buffer rod 3 includes an outer sleeve 31 made of a flexible material, preferably nylon, which has good impact resistance, rigidity, and wear resistance. When a vehicle impacts the buffer rod 3, the nylon absorbs the impact force generated by the vehicle, protecting the occupants, reducing vehicle damage from the impact, and lowering vehicle maintenance costs.

[0030] In this embodiment, a reflective layer 4 is provided on the outer edge of the outer sleeve 31. This reflective layer 4 can be provided with reflective film or reflective strips. At night, the reflective layer 4 improves nighttime visibility, helping drivers to clearly see the position and status of the guardrail at night or in low light conditions, avoiding collisions and ensuring traffic safety.

[0031] In this embodiment, the buffer rod 3 includes an inner support rod 32 made of elastic material. The inner support rod 32 is inserted into the outer sleeve 31 and installed between the upper and lower crossbars 2 via an installation assembly. The inner support rod 32 is preferably a torsion spring. The torsion spring has high toughness. When the vehicle impacts the outer sleeve 31, the outer sleeve 31 causes the torsion spring to deform. The torsion spring further offsets the impact force generated by the vehicle impact, further ensuring vehicle safety.

[0032] In this embodiment, the installation assembly includes a first mounting component 5 and a second mounting component 6. The first mounting component 5 fixes the outer sleeve 31 and the inner support rod 32 to the upper crossbar 2, and the second mounting component 6 fixes the outer sleeve 31 and the inner support rod 32 to the lower crossbar 2. Compared with conventional welding methods, when a buffer rod 3 is damaged, this installation method allows for the individual replacement of the buffer rod 3, reducing the replacement cost of the guardrail.

[0033] In this embodiment, the first mounting component 5 includes a first mounting sleeve 51, a first fastener 52, and a first mounting bolt 53; the first mounting sleeve 51 has a first limiting part 511 integrally formed in the middle, and the first limiting part 511 is recessed in the middle; the upper end of the inner support rod 32 has a rod body insertion part integrally formed, and the upper end of the inner support rod 32 is inserted into the groove in the middle of the first limiting part 511; the inner wall of the first mounting sleeve 51 and the first limiting part 511 form a first insertion groove, and the upper end of the outer sleeve 31 has a sleeve insertion part integrally formed, and the sleeve insertion part is inserted into the groove. The sleeve is inserted into the first insertion groove; a through hole is provided along the side wall of the first mounting sleeve 51, which sequentially passes through the sleeve insertion part, the first limiting part 511, and the rod insertion part of the inner support rod 32. The first fastener 52 includes a first fastening bolt and a first nut. When the sleeve insertion part is inserted into the first insertion groove and the rod insertion part is inserted into the first limiting part 511, the first fastening bolt passes through the through hole and, with the cooperation of the first nut, fixes the upper end of the outer sleeve 31 and the upper end of the inner support rod 32 onto the first mounting sleeve 51.

[0034] It should be added that the first mounting sleeve 51 has a first fixing ear 512 integrally formed on the outer edge surface. When the first mounting sleeve 51 is placed in the mounting position of the upper crossbar 2, the first mounting sleeve 51 is fixed to the upper crossbar 2 by the threaded engagement of the first fastening bolt and the first fixing ear 512.

[0035] In this embodiment, the upper crossbar 2 is provided with an installation groove that is compatible with the first installation sleeve 51. The upper end of the first installation sleeve 51 can extend into the installation groove, thereby improving installation efficiency.

[0036] In this embodiment, the second mounting component 6 includes a second mounting sleeve 61, a second fastener 62, and a second mounting bolt 63. A second limiting portion 611 is integrally formed in the middle of the second mounting sleeve 61, and the second limiting portion 611 is recessed in the middle. A rod insertion portion is integrally formed at the lower end of the inner support rod 32, and the lower end of the inner support rod 32 is inserted into the groove in the middle of the second limiting portion 611. A second insertion groove is formed between the inner wall of the second mounting sleeve 61 and the second limiting portion 611. A sleeve insertion portion is integrally formed at the lower end of the outer sleeve 31, and the sleeve insertion portion is inserted into the groove. The sleeve is inserted into the second insertion groove; a through hole is provided along the side wall of the second mounting sleeve 61, which sequentially passes through the sleeve insertion part, the second limiting part 611, and the rod insertion part of the inner support rod 32. The second fastener 62 includes a second fastening bolt and a second nut. When the sleeve insertion part is inserted into the second insertion groove and the rod insertion part is inserted into the second limiting part 611, the second fastening bolt passes through the through hole and, with the cooperation of the second nut, fixes the lower end of the outer sleeve 31 and the lower end of the inner support rod 32 onto the second mounting sleeve 61.

[0037] During installation, the inner support rod 32 is first inserted into the outer sleeve 31; then, the upper end of the inner support rod 32 is inserted into the central groove of the first limiting part 511, and the upper sleeve insertion part of the outer sleeve 31 is inserted into the first insertion slot. The first fastening bolt is passed through the through hole of the first mounting sleeve 51 and tightened with the first nut. At this time, the upper end of the outer sleeve 31 and the upper end of the inner support rod 32 are fixed on the first mounting sleeve 51; then, the lower end of the inner support rod 32 is inserted into the central groove of the second limiting part 611. In the first mounting sleeve, the lower end of the outer sleeve 31 is inserted into the second insertion groove. The second fastening bolt is passed through the through hole of the second mounting sleeve 61 and tightened with the second nut. At this time, the lower end of the outer sleeve 31 and the lower end of the inner support rod 32 are fixed on the second mounting sleeve 61. Then, the first mounting sleeve 51 is inserted into the mounting groove and fixed to the upper crossbar 2 with the first mounting bolt 53 and the first fixing ear 512. Finally, the lower crossbar 2 is fixed with the second mounting bolt 63 and the second fixing ear 612.

[0038] Although the present invention 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 invention should be included within the protection scope of the present invention.

Claims

1. A crash barrier for roads and bridges, characterized in that: It includes at least two support columns (1) and two crossbars (2) installed between the two support columns (1), with the two crossbars (2) respectively located on the upper and lower sides of the support columns (1); it also includes a plurality of buffer rods (3) installed longitudinally between the two support columns (1), with the plurality of buffer rods (3) installed between the upper and lower crossbars (2) by an installation assembly.

2. The crash barrier for roads and bridges according to claim 1, characterized in that: The buffer rod (3) includes an outer sleeve (31) made of flexible material, which is installed between the upper and lower crossbars (2) by an installation assembly.

3. The crash barrier for roads and bridges according to claim 2, characterized in that: The outer sleeve (31) is provided with a reflective layer (4) on its outer edge.

4. The crash barrier for roads and bridges according to claim 2 or 3, characterized in that: The buffer rod (3) also includes an inner support rod (32) made of elastic material. The inner support rod (32) is inserted into the outer sleeve (31) and installed between the upper and lower crossbars (2) by an installation assembly.

5. The crash barrier for roads and bridges according to claim 4, characterized in that: The mounting assembly includes a first mounting component (5) and a second mounting component (6); the first mounting component (5) fixes the outer sleeve (31) and the inner support rod (32) to the upper crossbar (2), and the second mounting component (6) fixes the outer sleeve (31) and the inner support rod (32) to the lower crossbar (2).

6. The crash barrier for roads and bridges according to claim 5, characterized in that: The first mounting component (5) includes a first mounting sleeve (51), a first fastener (52), and a first mounting bolt (53); a first limiting part (511) is provided inside the first mounting sleeve (51), the upper end of the outer sleeve (31) is inserted into the first mounting sleeve (51), and the upper end of the inner support rod (32) is inserted into the first limiting part (511); the upper end of the outer sleeve (31) and the upper end of the inner support rod (32) are fixed to the first mounting sleeve (51) by the first fastener (52); a first fixing ear (512) is provided on the outer edge surface of the first mounting sleeve (51), and the first mounting sleeve (51) is installed on the upper crossbar (2) by the first mounting bolt (53) and the first fixing ear (512).

7. The crash barrier for roads and bridges according to claim 6, characterized in that: The upper crossbar (2) is provided with an installation groove that is compatible with the first installation sleeve (51).

8. The crash barrier for roads and bridges according to claim 5, characterized in that: The second mounting component (6) includes a second mounting sleeve (61), a second fastener (62), and a second mounting bolt (63); a second limiting part (611) is provided inside the second mounting sleeve (61), the lower end of the outer sleeve is inserted into the second mounting sleeve (61), and the lower end of the inner support rod (32) is inserted into the second limiting part (611); the lower end of the outer sleeve (31) and the lower end of the inner support rod (32) are fixed on the second mounting sleeve (61) by the second fastener (62); a second fixing ear (612) is provided on the outer edge surface of the second mounting sleeve, and the second mounting sleeve (61) is installed on the lower end of the crossbar (2) by the second mounting bolt (63) and the second fixing ear (612).

9. The crash barrier for roads and bridges according to claim 1, characterized in that: The bottom of the support column (1) is equipped with a support pier.

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