CN215629604U - Guardrail structure and anticollision barrier assembly - Google Patents

Abstract

The utility model discloses a guardrail structure and an anti-collision guardrail assembly, wherein the guardrail structure comprises: the guardrail comprises a guardrail body, wherein at least one part of the guardrail body is provided with a buffer layer. The utility model discloses a guardrail structure and an anti-collision guardrail assembly, and aims to solve the problem that the protection effect provided by the existing guardrail structure is not ideal.

Description

Guardrail structure and anticollision barrier assembly

Technical Field

The utility model relates to the technical field of road protection, in particular to a guardrail structure and an anti-collision guardrail assembly.

Background

The highway in China is developed rapidly, great convenience is brought to the travel of pedestrians, and compared with the common highway, the fully-closed highway with high speed is more convenient and faster on the premise of ensuring safety, but due to the unique driving environment, once a traffic accident happens, great loss can be caused. According to various accident reports of domestic and foreign highways, accident consequences caused by roadside traffic accidents are often the most serious.

The guardrail structure is an important component of highway safety facilities, and the reasonable and reliable guardrail structure is one of the most practical and effective measures for ensuring the road side traffic safety, and if the guardrail structure has a reasonable structure, the guardrail structure can fully play the role of protecting passengers and vehicles, thereby reducing accident casualties. The existing guardrail structure mostly adopts a concrete structure with higher rigidity, high-speed impact easily causes larger vehicle damage, and the effect of protecting passengers is not ideal.

Therefore, there is a need for a guardrail structure and crash barrier assembly that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a guardrail structure and an anti-collision guardrail assembly, so as to solve the problem that the protection effect provided by the existing guardrail structure is not ideal.

Based on the above object, the present invention provides a guardrail structure, comprising:

the guardrail comprises a guardrail body, wherein at least one part of the guardrail body is provided with a buffer layer.

Preferably, the buffer layer is arranged on the collision surface of the guardrail body.

Preferably, the buffer layer is made of a colloid concrete material.

Preferably, the guardrail body includes the base and sets up the support frame on the base, the support frame is towards vehicle side surface for meet the face of colliding, the support frame dorsad vehicle side surface is provided with the bearing layer.

Preferably, the support frame comprises a plurality of support frames which are distributed in sequence, and the adjacent support frames are connected together through a plurality of first support rods which are uniformly distributed in the support frames.

Preferably, the support frame includes a plurality of second bracing pieces that connect gradually, first bracing piece with be provided with the stirrup between the second bracing piece.

Preferably, the first support rod and/or the second support rod are made of metal materials.

Preferably, the bearing layer is made of a concrete material.

In addition, preferably, the bearing layer and the buffer layer are arranged on the impact surface in sequence from inside to outside.

The utility model also provides an anti-collision guardrail assembly which comprises at least one guardrail structure.

From the above, the guardrail structure and the crash barrier assembly provided by the utility model have the following advantages compared with the prior art: by adopting the guardrail structure, the buffer layer provides buffering and energy-absorbing effects, the guardrail structure has good energy-consumption and collision-reduction performance, when the guardrail structure is impacted by a vehicle, the guardrail structure has better impact resistance, the speed of the impacted vehicle is quickly reduced, the damage degree of the vehicle and the impact of personnel on the impacting process are relieved, and the personal safety of a driver is ensured to a certain extent.

Drawings

The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural view of a guard rail structure employed in an embodiment of the present invention.

Figure 2 is a transverse cross-sectional view of the barrier structure shown in figure 1.

Wherein the reference numbers:

1. a first support bar; 2. a second support bar; 3. a buffer layer; 4. a bearing layer; 5. a base.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 is a schematic structural view of a guard rail structure employed in an embodiment of the present invention. Figure 2 is a transverse cross-sectional view of the barrier structure shown in figure 1. As shown in fig. 1 and 2, the guard rail structure includes a guard rail body.

The guardrail body is provided with buffer layer 3 at least partially.

The guardrail structure is arranged at the side of the highway, the buffer layer 3 can cover part or all of the guardrail body, such as part covering, and the surface of the side facing the vehicle is required to be covered, for example, when the guardrail structure is installed, the side provided with the buffer layer 3 faces the highway, and the buffer layer 3 receives the impact of the vehicle.

By adopting the guardrail structure, the buffer layer provides buffering and energy-absorbing effects, the guardrail structure has good energy-consumption and collision-reduction performance, when the guardrail structure is impacted by a vehicle, the guardrail structure has better impact resistance, the speed of the impacted vehicle is quickly reduced, the damage degree of the vehicle and the impact of personnel on the impacting process are relieved, and the personal safety of a driver is ensured to a certain extent.

In the present embodiment, the buffer layer 3 includes, but is not limited to, a layer structure made of a flexible material, such as the buffer layer 3 made of a rubber material. For example, waste rubber is fixed on the guardrail structure, such as adhesion and binding; the energy-absorbing guardrail structure has the advantages that the buffering and energy-absorbing effects of the guardrail structure can be enhanced, waste materials can be effectively utilized, waste materials are changed into valuable things, the environment pollution caused by waste rubber is avoided, the consumption of natural resources and energy sources can be reduced, the construction is convenient, the cost is low, the remarkable social, economic and environmental benefits are achieved, and the sustainable development requirement is met.

Preferably, the cushioning layer 3 is provided on the impact surface of the guardrail body. The contact probability of the vehicle and the collision-facing surface of the guardrail structure is higher, the buffer layer 3 is covered on the collision-facing surface, good buffering and energy absorption effects can be guaranteed, and meanwhile, the manufacturing cost is reduced.

In this embodiment, the cushioning layer 3 extends from the bottom end to the top end of the guardrail structure, covers the impact surface between the bottom end and the top end facing the vehicle, extends to the top end, and then continues to extend along the top end to a side facing away from the vehicle for a certain distance or covers the entire top end. If the height of the guardrail structure is lower than the height of the vehicle, a cushioning layer 3 is provided at the top end of the guardrail structure to help protect passengers and the vehicle.

In the present embodiment, the impact-facing surface includes, but is not limited to, at least one of a single slope type slope surface, a reinforced slope surface, and an F-type slope surface.

The cushioning layer 3 may be covered on the surface of the guardrail structure, for example, for the completed guardrail structure, the cushioning layer 3 may be covered on a part or the whole of the guardrail structure; or the buffer layer 3 is made of a material which can provide buffering and energy absorbing functions and has enough structural strength, for example, for a guardrail structure in the manufacturing process, the buffer layer 3 is preferably made of a rubber concrete material. When the concrete is manufactured, the colloid material is added into the concrete and is stirred, formed and cured, the concrete can meet the requirement of structural strength, and the colloid material can meet the requirements of buffering and energy absorption. With the above cushioning layer 3, no additional fixing member is required, and sufficient cushioning and energy absorbing properties can be provided.

In this embodiment, the gelled concrete includes, but is not limited to, rubber concrete, and the rubber emulsion or powder is added to the concrete to be stirred, formed, and cured when the concrete is prepared. Auxiliary additives can be added to adjust the forming speed and effect.

Preferably, the guardrail body includes base 5 and the support frame of setting on base 5, and the support frame is the face of meeting with the collision towards vehicle side surface, and support frame one side surface of being back of the vehicle is provided with bearing layer 4. The base 5 provides stable fixed basis for the support frame, and the support frame can improve the structural strength of bearing layer 4, and bearing layer 4 covers on the local or whole surface of support frame, guarantees structural performance, is provided with buffer layer 3 on the face of meeting the collision, strengthens guardrail structure's buffering and energy-absorbing effect. Adopt above-mentioned guardrail structure, simple structure, easily preparation, structural strength is high, has buffering and energy-absorbing effect simultaneously.

In this embodiment, base 5 is the cuboid structure, can set up a support frame or a plurality of interval distribution's support frame on base 5, and every support frame is located the middle part of base 5, can set up at least one railing between the adjacent support frame and link together.

In this embodiment, the base 5 is made of concrete material, such as at least one of recycled concrete or ordinary concrete, which can satisfy the structural strength requirement. The base 5 is fixedly connected with the supporting frame.

In this embodiment, the top width, the bottom width of guardrail structure and the slope of the face of meeting and colliding can be adjusted according to actual need, and the width of the face of meeting and colliding can be adjusted according to actual road conditions.

In this embodiment, if the opposite sides of guardrail structure adopt bearing layer 4 and buffer layer 3 respectively, then the thickness of bearing layer 4 is equal with the thickness of buffer layer 3 basically, if the opposite sides of guardrail structure all adopt bearing layer 4, set up buffer layer 3 in the bearing layer 4 outside of meeting the face of colliding, for a structure, can correspondingly reduce the thickness of buffer layer 3.

In this embodiment, the thickness of the buffer layer 3 may be set according to a specific road section, for example, the area where an accident is frequently generated and easily occurs may be increased, the thickness of the buffer layer 3 may be increased accordingly, the buffering and energy absorbing functions may be further enhanced, and other areas may be maintained at a certain thickness.

In this embodiment, buffer layer 3 is after the vertical upwards extension a distance from base 5, to the inboard bending of support frame and extend a distance, and the free end of bending segment is buckled again and is gently extended to and is close top department, and the free end of the bending segment of buffer layer 3 is the trend of gradually contracting to the top of support frame, forms an outside arch in top department, forms a groove structure between arch and the bending segment, extends along the horizontal direction after buckling, joins with bearing layer 4 butt.

In this embodiment, the bearing layer 4 extends upward from the base 5 vertically for a distance, bends slightly toward the inside of the support frame, and then extends gently to a position close to the top end, the top end of the vertical section of the bearing layer 4 gradually tapers toward the top end of the support frame, and extends horizontally toward the side facing the collision surface after bending.

Preferably, the support frame comprises a plurality of support frames distributed in sequence, and the adjacent support frames are connected together through a plurality of first support rods 1 uniformly distributed in the support frames. The support frame provides the effect that the skeleton supported for bearing layer 4 and buffer layer 3, and a plurality of carriage set up along the length direction of base 5 interval in proper order, is provided with a plurality of interval distribution's in proper order first bracing piece 1 on the circumferential direction of every carriage, and every first bracing piece 1 runs through the carriage, and adjacent carriage links together through each first bracing piece 1. The support frame has simple structure and high strength, and provides good support effect for the bearing layer 4 and the buffer layer 3.

In this embodiment, the supporting frame has an approximately trapezoidal structure or a wedge-shaped structure. The bottom width of the support frame is greater than the top width of the support frame.

In the embodiment, the first supporting rods 1 are all arranged on the inner surface of the supporting frame, the plurality of first supporting rods 1 in the supporting frame are in an approximately symmetrical structure along the center line of the supporting frame, and the distances between the adjacent first supporting rods 1 are substantially equal.

In this embodiment, the same position of the plurality of support frames may be connected by using the same first support rod 1, that is, the same first support rod 1 is sequentially provided with the plurality of support frames at intervals along the length direction; or, a plurality of first supporting rods 1 distributed at intervals are respectively arranged in each supporting frame, and then the first supporting rods 1 corresponding to the positions are connected together.

Preferably, the support frame comprises a plurality of second support rods 2 connected in sequence, and stirrups are arranged between the first support rods 1 and the second support rods 2. A plurality of second supporting rods 2 are adopted to enclose to form a supporting frame, and then the first supporting rod 1 and the second supporting rod 2 which are intersected are fixed through stirrups. Adopt above-mentioned carriage structure, simple structure, structural strength is high, can satisfy the support demand to bearing layer 4 and buffer layer 3.

In this embodiment, the supporting frame has an approximately square structure, an approximately trapezoidal structure, or an approximately wedge-shaped structure.

In this embodiment, a plurality of second bracing pieces 2 connect gradually end to form the carriage, and on the face one side of colliding with, the free end department of kink can extend 7 style of calligraphy third bracing pieces, and the third bracing piece extends towards bearing layer 4 one side, improves carriage structural strength.

In this embodiment, the first support bar 1 and the second support bar 2 may also be connected by welding or other common fixing means.

In this embodiment, the number and the specific distribution of the first support rods 1 and the second support rods 2 can be adjusted according to the specific use environment, and the larger the size of the support frame is, the higher the structural strength requirement is, and the larger the number of the first support rods 1 is.

Preferably, the first support rod 1 and/or the second support rod 2 are made of a metal material. The metal material has high structural strength, good forming effect and long service life.

In the present embodiment, the first support bar 1 includes, but is not limited to, a transverse steel bar, and the second support bar 2 includes, but is not limited to, a longitudinal steel bar.

Preferably, the bearing layer 4 is made of concrete material. The concrete material can provide sufficient structural strength, bearing impact, and the shaping is effectual moreover.

In this embodiment, the bearing layer 4 is made of a concrete material, such as at least one of recycled concrete or ordinary concrete. The thickness of the bearing layer 4 should meet the strength requirement of the guardrail structure.

In addition, preferably, a bearing layer 4 and a buffer layer 3 are arranged on the collision-facing surface from inside to outside in sequence. Adopt above-mentioned guardrail structure, bearing layer 4 provides sufficient structural strength for buffer layer 3, and buffer layer 3 provides sufficient buffering and energy-absorbing effect for the concrete layer.

In this embodiment, when the guardrail structure is manufactured, a concrete material is poured on the support frame to form the bearing layer 4, and then a rubber concrete with a certain thickness is poured outside the bearing layer 4 to form the buffer layer 3.

The use of the barrier structure is described further below.

Firstly, according to construction requirements, the first supporting rod 1 and the second supporting rod 2 are bound and fixed to form a supporting frame, the supporting frame is fixed on the base 5, the bearing layer 4 is firstly manufactured, concrete is poured into the supporting frame, after the concrete reaches a certain strength, colloid concrete is poured on the side, facing the collision face, of the bearing layer 4, and the buffer layer 3 is formed.

The thickness of the damping layer 3 is selected according to the actual situation, and usually the second support bar 2 on the impact side is located in the damping layer 3, and the first support bar 1 on the impact side is located between the bearing layer 4 and the damping layer 3.

The utility model also provides an anti-collision guardrail assembly which comprises at least one guardrail structure.

From the above description and practice, it can be seen that the present invention provides a guardrail structure and crash barrier assembly having the following advantages over the prior art: by adopting the guardrail structure, the buffer layer provides buffering and energy-absorbing effects, the guardrail structure has good energy-consumption and collision-reduction performance, when the guardrail structure is impacted by a vehicle, the guardrail structure has better impact resistance, the speed of the impacted vehicle is quickly reduced, the damage degree of the vehicle and the impact of personnel on the impacting process are relieved, and the personal safety of a driver is ensured to a certain extent.

Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit of the present invention should be included in the scope of the present invention.

Claims (8)

1. A guardrail structure, comprising:

the guardrail comprises a guardrail body, wherein at least part of the guardrail body is provided with a buffer layer; the buffer layer is arranged on the collision surface of the guardrail body; the guardrail body includes the base and sets up support frame on the base, the support frame is towards vehicle side surface be the face of meeting and colliding, the support frame dorsad vehicle side surface is provided with the bearing layer.

2. The guardrail structure of claim 1 wherein:

the buffer layer is made of a colloid concrete material.

3. The guardrail structure of claim 1 wherein:

the support frame includes a plurality of braced frames that distribute in proper order, and is adjacent the braced frame is through a plurality of first bracing pieces of evenly distributed link together in the braced frame.

4. The guardrail structure of claim 3 wherein:

the support frame includes a plurality of second bracing pieces that connect gradually, first bracing piece with be provided with the stirrup between the second bracing piece.

5. The guardrail structure of claim 4 wherein:

the first supporting rod and/or the second supporting rod are made of metal materials.

6. The guardrail structure of claim 1 wherein:

the bearing layer is made of concrete materials.

7. The guardrail structure of claim 1 wherein:

the collision-resistant surface is sequentially provided with the bearing layer and the buffer layer from inside to outside.

8. The utility model provides an anticollision barrier assembly which characterized in that: a crash barrier assembly comprising at least one barrier structure as claimed in any one of claims 1 to 7.

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