CN112779877A

CN112779877A - Highway rail guard

Info

Publication number: CN112779877A
Application number: CN201911086896.9A
Authority: CN
Inventors: 廖庆云; 陈政南
Original assignee: Huaihua Hengyu Industry Co ltd
Current assignee: Huaihua Hengyu Industry Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2021-05-11

Abstract

A highway guard fence comprises a plurality of vertically arranged protection columns, wherein adjacent protection columns are connected through a transversely arranged protection cable; the protective column comprises a base and an upright column, the base is an embedded part, the upper part of the base is exposed out of the ground, a first buffer assembly is arranged in the base, and the first buffer assembly is connected with the bottom of the upright column; and the side surfaces of the upright posts are provided with second buffer assemblies, and the second buffer assemblies on two adjacent protective posts are respectively connected with two ends of the protective cable. The invention has certain deformation and displacement space at the bottom and the side surface of the protective column, can play a good role in buffering at the moment of being impacted by external force, and has better protective function.

Description

Highway rail guard

Technical Field

The invention relates to the technical field of highway guardrails, in particular to a highway guardrail.

Background

The highway protective guard is the most important traffic infrastructure, and is used as the isolation boundary of a highway and an external environment and the last barrier for protecting vehicles, and the highway protective guard plays a vital role in ensuring the driving safety of the vehicles, and particularly, the accidents that the vehicles are out of control to collide the protective guard and finally the vehicles are destroyed and the people are killed are frequently happened in special sections such as cliffs, viaducts, winding roads, emergency turning, large-angle downhill turning and the like. Among the prior art, highway rail guard is the guard plate mostly, and the guard plate is many by the bent arc plate structure that becomes of gold material, and the guard plate of arc plate structure has certain buffer power, but the structure is too simple, because buffer distance is short when the vehicle that traveles at a high speed is out of control and strikes the guardrail, the buffering dynamics is little to can not provide sufficient buffer power, consequently can often take place comparatively serious damage when the vehicle hits the rail guard, serious even take place the vehicle and rush out the road surface and then take place further accidents such as the car turnover.

Disclosure of Invention

The invention aims to provide a highway protection fence with better buffer performance so as to maximally relieve the damage of automobile impact on an automobile and a guard rail and improve the safety coefficient.

The technical problem solved by the invention is realized by adopting the following technical scheme:

a highway guard fence comprises a plurality of vertically arranged protection columns, wherein adjacent protection columns are connected through a transversely arranged protection cable; the protective column comprises a base and an upright column, the base is an embedded part, the upper part of the base is exposed out of the ground, a first buffer assembly is arranged in the base, and the first buffer assembly is connected with the bottom of the upright column; and the side surfaces of the upright posts are provided with second buffer assemblies, and the second buffer assemblies on two adjacent protective posts are respectively connected with two ends of the protective cable.

Further, first buffer unit includes first dashpot and first slider, and first dashpot sets up in the base, and first dashpot opening up, and first slider is adapted to first dashpot setting, and first slider slides along first dashpot and can not break away from first dashpot, first slider with the stand bottom is connected.

Furthermore, the first buffer groove is of a cross groove structure, the lower space of the first buffer groove is larger than the upper space of the first buffer groove, the lower part of the first sliding block is adapted to and slides along the lower space of the first buffer groove, and the upper part of the first sliding block is adapted to and slides along the upper space of the first buffer groove.

Further, the first sliding block is located at the center point of the first buffer groove, and when the first sliding block slides by taking the center of the first buffer groove as a starting point, the distance range of front-back left-right displacement of the first sliding block is 4-8 cm.

Further, the second buffer component comprises a second buffer groove and a second sliding block, the second buffer groove is formed in the side face of the stand column, the opening of the second buffer groove faces towards the adjacent stand column, the second sliding block is suitable for the arrangement of the second buffer groove, the second sliding block slides along the second buffer groove and cannot be separated from the second buffer groove, and the second sliding block is connected with the end of the protective cable.

Furthermore, the second buffer groove is of a cross groove structure, the bottom space of the second buffer groove is larger than the upper space, the bottom of the second sliding block is adapted to and slides along the bottom space of the second buffer groove, and the upper part of the second sliding block is adapted to and slides along the upper space of the second buffer groove.

Further, the second sliding block is located at the center point of the second buffer groove, and when the second sliding block slides by taking the center of the second buffer groove as a starting point, the distance range of front-back left-right displacement of the second sliding block is 2-5 cm.

Further, at least two groups of second buffer assemblies are arranged on the side face of the upright post.

Has the advantages that: the bottom and the side surface of the highway protective guard have good buffering performance, a huge impulse is generated when an automobile hits the protective guard, the traditional protective guard is easy to damage under the impact of a huge external force because all parts of the traditional protective guard are rigidly connected, and the bottom and the side surface of the protective column have certain deformation and displacement spaces, so that the highway protective guard can play a good buffering role at the moment of being impacted by the external force, and can further prevent the deterioration of traffic accidents on the basis of ensuring that the protective guard cannot be easily damaged.

Drawings

Fig. 1 is a schematic view illustrating a detailed structure of a guard rail according to a preferred embodiment of the present invention.

FIG. 2 is a schematic top view of a base according to a preferred embodiment of the present invention.

Fig. 3 is a schematic side view of a pillar according to a preferred embodiment of the present invention.

Wherein: 1. a base; 2. a column; 3. a protective cable; 4. a first slider; 5. a first buffer tank; 6. A second slider; 7. a second buffer tank.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easily understood, the invention is further explained by combining the specific drawings.

As shown in fig. 1, the expressway guard rail according to the embodiment includes a plurality of vertically arranged guard posts, and adjacent guard posts are connected by a transversely arranged guard cable 3; the protection post includes base 1 and stand 2, wherein base 1 is the built-in fitting, 1 bottom of base is fixed in concrete ground, 1 upper portion of base exposes ground, be provided with first buffering subassembly in the base 1, first buffering subassembly is connected with 2 bottoms of stand, thereby guarantee that stand 2 can be along exogenic action's direction displacement and buffering in certain within range when receiving external shock or tractive, and 2 sides of stand are provided with second buffering subassembly, second buffering subassembly on two adjacent protection posts is connected with the both ends of protection cable 3 respectively, thereby guarantee that protection cable 3 is when receiving external force to strike and carry out the tractive to stand 2, the junction can have certain displacement space and carry out fine buffering.

Specifically, as shown in fig. 1 and fig. 2, the first buffer assembly includes a first buffer slot 5 and a first sliding block 4, the first buffer slot 5 is disposed in the base 1, the opening of the first buffer slot 5 faces upward, the first sliding block 4 is adapted to the first buffer slot 5, the first sliding block 4 slides along the first buffer slot 5 and cannot be separated from the first buffer slot 5, preferably, the first buffer slot 5 is a cross slot structure, the lower space of the first buffer slot 5 is larger than the upper space, the lower space of the first sliding block 4 is adapted to and slides along the lower space of the first buffer slot 5, the upper part of the first sliding block 4 is adapted to and slides along the upper space of the first buffer slot 5, the top of the first sliding block 4 is connected with the bottom of the upright column 2, the first sliding block 4 is normally located at the center point of the first buffer slot 5, when the first sliding block 4 slides from the center of the first buffer slot 5 as a starting point, the distance range of the front, back, left and right displacement is 5 cm.

As shown in fig. 1 and fig. 3, the second buffer assembly includes a second buffer slot 7 and a second slider 6, the second buffer slot 7 is disposed on the side of the upright 2, the opening of the second buffer slot 7 faces the adjacent upright 2, the second slider 6 is adapted to the second buffer slot 7, the second slider 6 slides along the second buffer slot 7 and cannot be separated from the second buffer slot 7, the second slider 6 is connected with the end of the guard cable 3, the second buffer slot 7 is in a cross slot structure, the bottom space of the second buffer slot 7 is larger than the upper space, the bottom of the second slider 6 is adapted to and slides along the bottom space of the second buffer slot 7, and the upper of the second slider 6 is adapted to and slides along the upper space of the second buffer slot 7. When the second slide block 6 is positioned at the center of the second buffer groove 7, the distance range of the front-back left-right displacement is 3 cm. In this embodiment, 2 sides of stand are provided with two sets of second buffering subassemblies, and the corresponding two protection cables 3 that are provided with to play better protection and cushioning effect.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A highway guard fence is characterized by comprising a plurality of vertically arranged protection columns, wherein adjacent protection columns are connected through a transversely arranged protection cable; the protective column comprises a base and an upright column, the base is an embedded part, the upper part of the base is exposed out of the ground, a first buffer assembly is arranged in the base, and the first buffer assembly is connected with the bottom of the upright column; and the side surfaces of the upright posts are provided with second buffer assemblies, and the second buffer assemblies on two adjacent protective posts are respectively connected with two ends of the protective cable.

2. The highway protective guard of claim 1 wherein the first buffer assembly comprises a first buffer slot and a first sliding block, the first buffer slot is arranged in the base, the opening of the first buffer slot faces upwards, the first sliding block is suitable for the arrangement of the first buffer slot, the first sliding block slides along the first buffer slot and cannot be separated from the first buffer slot, and the first sliding block is connected with the bottom of the upright post.

3. The expressway protective fence according to claim 2, wherein the first buffer container has a cross-shaped container structure, a lower space of the first buffer container is larger than an upper space, a lower portion of the first slider is adapted to slide along the lower space of the first buffer container, and an upper portion of the first slider is adapted to slide along the upper space of the first buffer container.

4. The highway protective guard according to claim 3, wherein the first slider is located at a center point of the first buffer slot, and when the first slider slides from the center of the first buffer slot as a starting point, the distance of the front-back and left-right displacement is 4-8 cm.

5. The highway protective guard of claim 1 wherein the second buffer assembly comprises a second buffer slot and a second sliding block, the second buffer slot is arranged on the side surface of the upright, the opening of the second buffer slot faces to the adjacent upright, the second sliding block is suitable for the arrangement of the second buffer slot, the second sliding block slides along the second buffer slot and cannot be separated from the second buffer slot, and the second sliding block is connected with the end of the protective cable.

6. The expressway protective fence according to claim 5, wherein the second buffer container has a cross-shaped container structure, a bottom space of the second buffer container is larger than an upper space, the second slider is adapted to slide along the bottom space of the second buffer container at a bottom thereof, and the second slider is adapted to slide along the upper space of the second buffer container at an upper portion thereof.

7. The expressway protective fence according to claim 6, wherein the second slider is positioned at a center point of the second buffer slot, and when the second slider slides from the center of the second buffer slot as a starting point, the distance of the front-back and left-right displacement is in the range of 2-5 cm.

8. The highway protective fence according to claim 1, wherein at least two sets of second buffer assemblies are arranged on the side surface of the upright post.