Shock-resistant protective fence for expressway

Abstract

The impact-resistant protective fence for the expressway comprises a bottom plate, a plurality of vertical rods are vertically and fixedly connected to one side of the top face of the bottom plate, transverse rods are horizontally and fixedly connected to the top ends of the vertical rods, and the ends, away from the vertical rods, of the transverse rods are horizontally and fixedly connected with the same connecting rod; a plurality of buffer mechanisms are mounted between the connecting rod and the bottom plate; the buffer mechanism comprises an upper hanging ring fixedly connected to the bottom face of the connecting rod, a lower hanging ring is fixedly connected to the position, under the upper hanging ring, of the top face of the bottom plate, a roller assembly is arranged between the upper hanging ring and the lower hanging ring, an upper circular ring is fixedly connected to the top end of the roller assembly, and a lower circular ring is fixedly connected to the bottom end of the roller assembly. The upper lifting ring is fixedly connected with the upper circular ring through a first tension spring, and the lower lifting ring is fixedly connected with the lower circular ring through a second tension spring; the automobile bumper can effectively resolve the impact force generated when an automobile is collided, is not prone to damage, and can protect a driver to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of highway guardrails, in particular to an anti-impact guardrail for expressways. Background Art

[0002] With the development of society, more and more expressways are being built. Expressways have brought great convenience to people's lives, allowing vehicles to travel at high speed on them and reach their destinations quickly.

[0003] However, the accident rate on highways is very high every year, and many vehicles will have traffic accidents when driving at high speeds. When a vehicle has a traffic accident, it is easy to hit the guardrail on the roadside. The existing guardrails are generally steel structure brackets with a horizontal iron sheet fixed to them, but such guardrails are relatively rigid and cannot effectively resolve impacts. They are not only easily damaged, but also easily cause injuries to the driver. Therefore, a guardrail that can resist impacts is needed. Utility Model Content

[0004] The utility model aims to provide an anti-impact guardrail for a highway to solve the problems existing in the above-mentioned prior art.

[0005] A highway anti-impact guardrail comprises a bottom plate, a plurality of vertical poles are vertically fixed to one side of the top surface of the bottom plate, a cross bar is horizontally fixed to the top of the vertical pole, and the ends of all the cross bars away from the vertical poles are horizontally fixed to the same connecting rod; a plurality of buffer mechanisms are installed between the connecting rod and the bottom plate;

[0006] The buffer mechanism includes an upper hanging ring fixedly connected to the bottom surface of the connecting rod, a lower hanging ring fixedly connected to the top surface of the bottom plate directly below the upper hanging ring, a roller assembly is arranged between the upper hanging ring and the lower hanging ring, an upper circular ring fixedly connected to the top end of the roller assembly, a lower circular ring fixedly connected to the bottom end of the roller assembly, the upper hanging ring and the upper circular ring are fixedly connected by a first tension spring, and the lower hanging ring and the lower circular ring are fixedly connected by a second tension spring.

[0007] Preferably, the roller assembly comprises a vertically arranged vertical shaft, the upper ring is fixedly connected to the top end surface of the vertical shaft, the lower ring is fixedly connected to the bottom end surface of the vertical shaft, and a cylinder is rotatably mounted on the vertical shaft via a plurality of resistance bearings.

[0008] Preferably, a rubber pad is fixedly connected to the outer wall of the cylinder, and a plurality of protrusions are formed on the outer wall of the rubber pad.

[0009] Preferably, a plurality of through holes are vertically opened on the bottom plate.

[0010] Preferably, a groove is provided on the top surface of the bottom plate at a position corresponding to the through hole.

[0011] Preferably, the vertical poles and the horizontal poles are fixedly connected via a reinforcing beam.

[0012] The utility model discloses the following technical effects:

[0013] The utility model can effectively resolve the impact force when the car collides, is not only not easy to be damaged, but also can protect the driver to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2 This is a side view of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the roller assembly of the utility model.

[0018] in:

[0019] 1. Bottom plate; 2. Vertical pole; 3. Horizontal pole; 4. Connecting pole; 5. Upper lifting ring; 6. Lower lifting ring; 7. Upper circular ring; 8. Lower circular ring; 9. First tension spring; 10. Second tension spring; 11. Vertical shaft; 12. Resistance bearing; 13. Cylinder; 14. Rubber pad; 15. Protrusion; 16. Through hole; 17. Groove; 18. Reinforcement beam. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Refer to the attached Figure 1-3A highway impact-resistant guardrail comprises a bottom plate 1, a plurality of vertical poles 2 are vertically fixedly connected to one side of the top surface of the bottom plate 1, a cross bar 3 is horizontally fixedly connected to the top of the vertical pole 2, and the ends of all the cross bars 3 away from the vertical pole 2 are horizontally fixedly connected to the same connecting rod 4; a plurality of buffer mechanisms are installed between the connecting rod 4 and the bottom plate 1;

[0023] The buffer mechanism includes an upper hanging ring 5 fixedly connected to the bottom surface of the connecting rod 4, a lower hanging ring 6 is fixedly connected to the top surface of the base plate 1 directly below the upper hanging ring 5, a roller assembly is arranged between the upper hanging ring 5 and the lower hanging ring 6, an upper circular ring 7 is fixedly connected to the top end of the roller assembly, and a lower circular ring 8 is fixedly connected to the bottom end of the roller assembly. The upper hanging ring 5 and the upper circular ring 7 are fixedly connected by a first tension spring 9, and the lower hanging ring 6 and the lower circular ring 8 are fixedly connected by a second tension spring 10.

[0024] The bottom plate 1 is used for fixed connection with the foundation; the vertical poles 2, the cross bar 3 and the connecting rod 4 are perpendicular to each other, and all the vertical poles 2 are located in the same vertical plane; one end of the cross bar 3 is fixed to the top of the vertical pole 2, and the other end extends to the side of the bottom plate 1 away from the vertical pole 2; a number of buffer mechanisms are arranged at equal intervals, and the vertical poles 2 and the cross bar 3 can be produced as a whole; the roller assembly is connected between the connecting rod 4 and the bottom plate 1 through the first tension spring 9 and the second tension spring 10, so a number of roller assemblies are also arranged side by side to form a guardrail; the position of the upper hanging ring 5 and the lower hanging ring 6 needs to ensure that the distance from the roller assembly to the vertical plane where the vertical pole 2 is located can have a sufficient buffer distance, that is, when the roller assembly is close to the vertical pole 2, the first tension spring 9 and the lower tension spring 10 are used to prevent the roller assembly from being damaged. The first tension spring 9 and the second tension spring 10 can be fully stretched; when installing the base plate 1, one side of the roller assembly is set close to the road, and each side is connected tightly in a row by a number of the present application to form a protective net along the road; in this way, when a vehicle has an accident and collides with it, the vehicle will first hit these roller assemblies, and at the same time, these roller assemblies will be pushed to move in the direction of the vertical pole 2, and the first tension spring 9 and the second tension spring 10 will be stretched, so the kinetic energy of the car will be converted into the elastic potential energy of the first tension spring 9 and the second tension spring 10, so that the impact force of the vehicle can be reduced. The flexible structure adopted in the present application makes it not easy to be damaged, and can reduce the damage to the driver and passengers to a certain extent.

[0025] According to a further optimized solution, the drum assembly includes a vertically arranged vertical shaft 11, an upper ring 7 is fixedly connected to the top end surface of the vertical shaft 11, a lower ring 8 is fixedly connected to the bottom end surface of the vertical shaft 11, and a cylinder 13 is rotatably mounted on the vertical shaft 11 through a plurality of resistance bearings 12.

[0026] The cylinder 13 can allow the vehicle that hits it to continue moving forward, preventing it from stopping in an extremely long time and avoiding excessive impact force on a certain position of the device; the resistance bearing 12 can provide a certain resistance when the cylinder 13 rotates. When a vehicle hits it, the vehicle contacts the cylinder 13, and the cylinder 13 rotates, which can also convert the kinetic energy of the car into internal energy to a certain extent, thereby accelerating the loss of the vehicle's kinetic energy.

[0027] According to a further optimized solution, a rubber pad 14 is fixedly connected to the outer wall of the cylinder 13 , and a plurality of protrusions 15 are formed on the outer wall of the rubber pad 14 .

[0028] The rubber pad 14 and the protrusion 15 can increase the friction force when the vehicle contacts the cylinder 13, making it easier for the cylinder 13 to be driven by the vehicle to rotate, so that the cylinder 13 can form resistance to the vehicle as soon as possible.

[0029] According to a further optimized solution, a plurality of through holes 16 are vertically opened on the bottom plate 1 .

[0030] The through holes 16 are used to insert long nails, thereby fixing the base plate 1 on the foundation.

[0031] According to a further optimized solution, a groove 17 is provided on the top surface of the bottom plate 1 at a position corresponding to the through hole 16 .

[0032] The groove 17 is used to accommodate the nail cap at the top of the long nail, so that the long nail is located below the top surface of the bottom plate 1 as a whole, ensuring that the top surface of the bottom plate 1 is flat.

[0033] According to a further optimized solution, the vertical pole 2 and the horizontal pole 3 are fixedly connected by a reinforcing beam 18 .

[0034] The reinforcing beam 18 forms a triangular structure with the vertical pole 2 and the horizontal pole 3, which increases the stability of the horizontal pole 3 and improves the impact resistance of the overall structure.

[0035] Working principle: several of the utility models are closely arranged on both sides of the highway, and the bottom plate 1 is fixed to the foundation by long nails, while ensuring that the top surface of the bottom plate 1 is flush with the top surface of the highway. In addition, the bottom plate 1 can be set at a height lower than the surface of the highway, and cement can be laid on it; when the utility model is set on both sides of the highway, one side of the roller assembly is set close to the highway; when a car accident occurs, the vehicle loses control and hits the utility model, it will first contact the roller assembly, and several roller assemblies will quickly reduce the speed of the vehicle and consume the kinetic energy of the vehicle on the basis of ensuring that the vehicle will not stop immediately. At the same time, under the impact force of the vehicle, the roller assembly will also move in the direction of the vertical pole 2, stretching the first tension spring 9 and the second tension spring 10, and the kinetic energy of the car is converted into elastic potential energy, which can then play a buffering role on the car, which can not only reduce its own damage rate, but also protect the driver and passengers to a certain extent.

[0036] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations 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 element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A highway anti-impact guardrail, characterized in that: include: A bottom plate (1), wherein a plurality of vertical poles (2) are vertically fixedly connected to one side of the top surface of the bottom plate (1), a cross bar (3) is horizontally fixedly connected to the top of the vertical pole (2), and the ends of all the cross bars (3) away from the vertical poles (2) are horizontally fixedly connected to the same connecting rod (4); a plurality of buffer mechanisms are installed between the connecting rod (4) and the bottom plate (1); The buffer mechanism comprises an upper hanging ring (5) fixedly connected to the bottom surface of the connecting rod (4); a lower hanging ring (6) is fixedly connected to the top surface of the bottom plate (1) at a position directly below the upper hanging ring (5); a roller assembly is arranged between the upper hanging ring (5) and the lower hanging ring (6); an upper circular ring (7) is fixedly connected to the top end of the roller assembly; a lower circular ring (8) is fixedly connected to the bottom end of the roller assembly; the upper hanging ring (5) and the upper circular ring (7) are fixedly connected by a first tension spring (9); and the lower hanging ring (6) and the lower circular ring (8) are fixedly connected by a second tension spring (10).

2. The highway anti-impact guardrail according to claim 1, characterized in that: The roller assembly comprises a vertically arranged vertical shaft (11), the upper ring (7) is fixedly connected to the top end surface of the vertical shaft (11), the lower ring (8) is fixedly connected to the bottom end surface of the vertical shaft (11), and a cylinder (13) is rotatably mounted on the vertical shaft (11) via a plurality of resistance bearings (12).

3. The highway anti-impact guardrail according to claim 2, characterized in that: A rubber pad (14) is fixedly connected to the outer wall of the cylinder (13), and a plurality of protrusions (15) are formed on the outer wall of the rubber pad (14).

4. The highway anti-impact guardrail according to claim 1, characterized in that: The bottom plate (1) is vertically provided with a plurality of through holes (16).

5. The highway anti-impact guardrail according to claim 4, characterized in that: A groove (17) is provided on the top surface of the bottom plate (1) at a position corresponding to the through hole (16).

6. The highway anti-impact guardrail according to claim 1, characterized in that: The vertical pole (2) and the horizontal pole (3) are also fixedly connected via a reinforcing beam (18).

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