Lane separation zone guiding guardrail

Abstract

The utility model discloses a lane separation zone guiding guardrail which comprises a plurality of guardrail elements which are sequentially assembled, and each guardrail element comprises a guardrail body and a connecting rod. The guardrail body is made of composite materials, and an arc-shaped collision face protruding outwards is arranged on the side face of the guardrail body and used for buffering collision of vehicles. Connecting rods are arranged at the two ends of the guardrail body, and the connecting rods of every two adjacent guardrail elements are connected through a connector sleeve. The guardrail body is made of the composite material, meanwhile, the arc-shaped collision face protruding outwards is arranged on the side face of the guardrail body, the arc-shaped collision face is highly matched with the bumper of the trolley, in the collision process of the trolley, the bumper of the trolley collides with the arc-shaped collision face, the collision of the trolley can be buffered, and the protection capacity is high. Moreover, the guardrail body is made of the composite material, so that the weight of the guardrail can be reduced, and the construction difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of roads and bridges, in particular to a lane dividing strip guide guardrail. Background Art

[0002] Highway guardrails are a type of strip-shaped protective energy-absorbing structure installed on the outside of highway lanes or in the central dividing strip. When an accident vehicle collides with the guardrail, it absorbs the collision energy through blocking, self-deformation of the guardrail, or climbing of the vehicle to buffer and guide it, thereby blocking the vehicle and reducing the degree of injury to the driver and passengers.

[0003] Guardrails can be divided into roadside guardrails and median guardrails based on their location in the highway cross section. Currently, median guardrails primarily utilize a composite concrete guardrail, with the lower structure made of precast reinforced concrete components (blocks) and the upper structure composed of a mesh welded from steel bars, flat iron, round steel, and channel steel. The upper and lower structures are connected by expansion bolts.

[0004] However, the existing central median guardrail is mainly composed of reinforced concrete, and its protective ability is weak when a vehicle collides with the guardrail. Utility Model Content

[0005] Based on this, it is necessary to provide a lane divider guide guardrail to address the problem that the existing central divider guardrail has weak protection capability when a vehicle collides with the guardrail.

[0006] A lane divider guide guardrail comprises a plurality of guardrail elements, which are assembled in sequence. The guardrail elements include:

[0007] A guardrail body, the guardrail body being made of a composite material, the side of the guardrail body being provided with an outwardly protruding arc-shaped collision surface, the arc-shaped collision surface being used to cushion the collision of the vehicle; and

[0008] Connecting rods are provided at both ends of the guardrail body, and the connecting rods of two adjacent guardrail elements are connected by a joint sleeve.

[0009] In one embodiment, a fixing hole is provided on the connecting rod, a connecting hole is opened at the end of the joint sleeve, the connecting rod is passed through the joint sleeve, and a pin is inserted into the fixing hole through the connecting hole to connect the connecting rod to the joint sleeve.

[0010] In one embodiment, a positioning sleeve is provided in the port of the joint sleeve, a positioning groove is provided on the inner wall of the positioning sleeve, a positioning head is provided at the end of the connecting rod, and the positioning head is provided with a positioning protrusion matching the positioning groove.

[0011] In one embodiment, the positioning protrusion and the fixing hole are staggered on the busbar of the connecting rod, and the positioning head passes through the positioning sleeve and abuts against the end surface of the positioning sleeve.

[0012] In one embodiment, two connecting rods are provided at intervals along the height direction at the end of the guardrail body.

[0013] In one embodiment, symmetrical arc-shaped collision surfaces are provided on opposite sides of the guardrail body.

[0014] In one embodiment, a warning sign is provided on the side of the guardrail body.

[0015] In one embodiment, a bottom plate is provided at the bottom of the guardrail body, and a mounting hole for the bolts to pass through is provided on the bottom plate.

[0016] In one embodiment, the guardrail body is filled with cushioning material.

[0017] In one embodiment, the composite material is a fiber-reinforced composite material.

[0018] The above lane dividing strip guide guardrail has at least the following advantages:

[0019] Guardrails can be installed on the central medians of urban roads and elevated bridges, providing a warning and guidance while also providing a degree of protection. The guardrail body is constructed from composite materials, and its sides feature outward-projecting curved impact surfaces that align perfectly with vehicle bumpers. During a collision, the bumper collides with the curved impact surface, cushioning the impact and providing strong protection. Furthermore, the composite material construction reduces the guardrail's weight and eases construction complexity. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present invention, the following briefly introduces the drawings required for use in the specific embodiments. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0021] Figure 1 Schematic diagram of the structure of the lane divider guide guardrail in one embodiment;

[0022] Figure 2 for Figure 1 Schematic diagram of the structure of the middle guardrail component;

[0023] Figure 3 for Figure 1 Schematic diagram of the middle connecting rod connected through the joint sleeve;

[0024] Figure 4Schematic diagram of designing a locating sleeve inside the joint sleeve and a locating head for the connecting rod;

[0025] Figure 5 for Figure 4 Schematic diagram of the positioning groove in the positioning sleeve;

[0026] Figure 6 for Figure 4 Schematic diagram of the positioning protrusion designed on the middle positioning head;

[0027] Figure 7 for Figure 4 Side view of the middle connecting rod.

[0028] Reference numerals:

[0029] 10-guardrail element, 11-guardrail body, 111-arc-shaped collision surface, 112-base plate, 113-mounting hole, 12-connecting rod, 122-fixing hole, 13-positioning head, 14-positioning protrusion, 20-connector sleeve, 22-connecting hole, 24-pin, 26-positioning sleeve, 28-positioning groove. DETAILED DESCRIPTION

[0030] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without violating the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] See also Figure 1The lane divider guide guardrail in one embodiment can be installed on the central median of urban roads and elevated bridges, providing a warning and guidance function while also providing a certain degree of protection. The lane divider guide guardrail includes multiple guardrail elements 10, which are assembled in sequence to form the entire guardrail.

[0034] Please also refer to Figure 2 Specifically, the guardrail element 10 includes a guardrail body 11 and a connecting rod 12. The guardrail body 11 is made of a composite material. Composite materials are lightweight and high-strength, reducing the guardrail's weight while improving its cushioning and protective capabilities. Specifically, the guardrail body 11 is made of a fiber-reinforced composite material.

[0035] The side of the guardrail body 11 is provided with an outwardly protruding curved impact surface 111. The height of the curved impact surface 111 matches the height of the vehicle's bumper. During a collision, the curved impact surface 111 can be recessed inward to cushion the impact and provide protection. Furthermore, multiple guardrail elements 10 can work together to further mitigate a certain amount of impact energy. In one embodiment, the curved impact surface 111 is arc-shaped, with symmetrical curved impact surfaces 111 formed on opposite sides of the guardrail body 11, providing protection for vehicles on both sides of the road.

[0036] In one embodiment, a warning sign is provided on the side of the guardrail body 11 to alert vehicles. Specifically, the warning sign can be a yellow sticker, etc. The guardrail body 11 is filled with a cushioning material, which can further cushion the impact of vehicles and enhance the guardrail's protective capabilities. Specifically, the cushioning material can be PU foam.

[0037] In one embodiment, a base plate 112 is provided at the bottom of the guardrail body 11. The base plate 112 has mounting holes 113 formed therein. The base plate 112 is bolted to the bridge deck through the mounting holes 113, thereby securing the guardrail to the bridge deck. The bolt connection should be relatively strong, and a weak connection should be employed to prevent damage to the bridge deck.

[0038] Connecting rods 12 are mounted on the ends of the guardrail body 11. Connecting rods 12 are provided at both ends of the guardrail body 11. Connecting rods 12 are used to connect two adjacent guardrail elements 10. Specifically, the connecting rods 12 of two adjacent guardrail elements 10 are connected via a joint sleeve 20, thereby connecting the two adjacent guardrail elements 10 into a whole.

[0039] Please also refer to Figure 3In one embodiment, a fixing hole 122 is defined in the connecting rod 12, and a connecting hole 22 is defined at the end of the joint sleeve 20. The connecting rod 12 is inserted into the joint sleeve 20, and the fixing hole 122 and the connecting hole 22 are aligned. A pin 24 is inserted through the connecting hole 22 and into the fixing hole 122, thereby connecting the connecting rod 12 to the joint sleeve 20. The ends of the joint sleeve 20 are respectively connected to the connecting rods 12 of two adjacent guardrail elements 10, thereby connecting the two adjacent guardrail elements 10 into a single unit.

[0040] Please also refer to Figures 4 to 6 On the basis of the above embodiment, further, a positioning sleeve 26 is provided in the joint sleeve 20, a positioning groove 28 is provided on the inner wall of the positioning sleeve, a positioning head 13 is provided at the end of the connecting rod 12, and the positioning head 13 is provided with a positioning protrusion 14 matching the positioning groove 28.

[0041] In the process of inserting the connecting rod 12 into the joint sleeve 20, the positioning protrusion 14 of the positioning head 13 can be aligned with the positioning groove 28 to achieve positioning and guiding of the insertion of the connecting rod 12, which facilitates the subsequent insertion of the pin 24 into the connecting hole 22 and the fixing hole 122.

[0042] Please also refer to Figure 7 On the basis of the above embodiment, further, in order to ensure the connection strength between the connecting rod 12 and the joint sleeve 20 , the positioning protrusion 14 and the fixing hole 122 are staggered on the busbar of the connecting rod 12 .

[0043] When connecting the connecting rod 12 to the joint sleeve 20, align the positioning protrusion 14 with the positioning groove 28, then insert the connecting rod 12 into the joint sleeve 20. The positioning protrusion 14 moves in the positioning groove 28 to achieve guiding and positioning. After the positioning head 13 passes through the positioning sleeve 26, the joint sleeve 20 is rotated to align the fixing hole 122 with the connecting hole 22. At this time, due to the rotation of the joint sleeve 20, the positioning protrusion 14 and the positioning groove 28 are misaligned, and the positioning head 13 abuts the end surface of the positioning sleeve 26. The positioning sleeve 26 can lock the positioning head 13, preventing the connecting rod 12 from loosening from the joint sleeve 20.

[0044] In one embodiment, two connecting rods 12 are provided at the ends of the guardrail body 11 at intervals along the height direction. The two connecting rods 12 ensure the connection strength between the guardrail elements 10. It is understood that the number of connecting rods 12 between the guardrail elements 10 can be specifically designed based on the required connection strength between the guardrail elements 10, such as one, two, or three. The connecting rods 12 can be arranged vertically, horizontally, or in a matrix on the guardrail body 11.

[0045] The lane divider guide guardrail can be installed on the central divider of urban road surfaces and elevated bridge decks to serve as a warning and guidance function while also providing a certain degree of protection. The guardrail body 11 is made of a composite material. The side of the guardrail body 11 is provided with an outwardly projecting curved collision surface 111. The curved collision surface 111 is highly matched to the vehicle bumper. During a collision, the vehicle bumper collides with the curved collision surface 111, which can cushion the collision and provide a strong protective capability. Furthermore, the guardrail body 11 is made of a composite material, which can reduce the weight of the guardrail and reduce the difficulty of construction.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A lane divider guide guardrail, characterized in that: The invention comprises a plurality of guardrail elements, wherein the plurality of guardrail elements are assembled in sequence, and the guardrail elements comprise: A guardrail body, the guardrail body being made of a composite material, the side of the guardrail body being provided with an outwardly protruding arc-shaped collision surface, the arc-shaped collision surface being used to cushion the collision of the vehicle; and Connecting rods are provided at both ends of the guardrail body, and the connecting rods of two adjacent guardrail elements are connected by a joint sleeve.

2. The lane divider guide guardrail according to claim 1, characterized in that: A fixing hole is provided on the connecting rod, and a connecting hole is opened at the end of the joint sleeve. The connecting rod is inserted into the joint sleeve, and a pin passes through the connecting hole and is inserted into the fixing hole to connect the connecting rod and the joint sleeve.

3. The lane divider guide guardrail according to claim 2, characterized in that: A positioning sleeve is provided in the port of the joint sleeve, a positioning groove is provided on the inner wall of the positioning sleeve, a positioning head is provided at the end of the connecting rod, and the positioning head is provided with a positioning protrusion matching the positioning groove.

4. The lane divider guide guardrail according to claim 3, characterized in that: The positioning protrusion and the fixing hole are staggered on the busbar of the connecting rod, and the positioning head passes through the positioning sleeve and abuts against the end surface of the positioning sleeve.

5. The lane divider guide guardrail according to claim 1, characterized in that: Two connecting rods are provided at intervals along the height direction at the end of the guardrail body.

6. The lane divider guide guardrail according to claim 1, characterized in that: Symmetrical arc-shaped collision surfaces are provided on opposite sides of the guardrail body.

7. The lane divider guide guardrail according to claim 1, characterized in that: A warning sign is provided on the side of the guardrail body.

8. The lane divider guide guardrail according to claim 1, characterized in that: A bottom plate is provided at the bottom of the guardrail body, and a mounting hole for bolts to pass through is provided on the bottom plate.

9. The lane divider guide guardrail according to claim 1, characterized in that: The guardrail body is filled with buffer material.

10. The lane divider guide guardrail according to claim 1, characterized in that: The composite material is a fiber-reinforced composite material.

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