CN110158513A - A kind of safety collision-protection device of freeway guardrail - Google Patents
A kind of safety collision-protection device of freeway guardrail Download PDFInfo
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- CN110158513A CN110158513A CN201910596217.6A CN201910596217A CN110158513A CN 110158513 A CN110158513 A CN 110158513A CN 201910596217 A CN201910596217 A CN 201910596217A CN 110158513 A CN110158513 A CN 110158513A
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- 208000014674 injury Diseases 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 3
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
本发明提供了一种高速公路护栏的安全防撞装置的技术方案，涉及高速公路交通安全设施技术领域。包括安装在波形护栏板上的底板，所述底板的前部设有多个变形体，所述变形体内设置有缓冲吸能腔。当车辆撞击到变形体上后，由于变形体本身即具有良好的弹性，可有效降低碰撞对车辆及司乘人员的伤害；另外，由于变形体上的缓冲吸能腔可使变形体发生变形，当发生剧烈碰撞时，利用变形体的变形来消耗能量，这样传送到驾驶区的能量小于驾驶区结构的承受能力而不发生变形，以较好的保证乘客的安全，降低伤害，是安装在现行公路护栏板上的无需改变现有护栏结构的一种安全保护装置。
The invention provides a technical proposal of a safety anti-collision device for an expressway guardrail, and relates to the technical field of expressway traffic safety facilities. The utility model comprises a bottom plate installed on the corrugated guardrail, a plurality of deformation bodies are arranged on the front part of the bottom plate, and a buffer energy-absorbing cavity is arranged in the deformation body. When the vehicle collides with the deformable body, the deformable body itself has good elasticity, which can effectively reduce the damage to the vehicle and the passengers; in addition, because the buffer energy-absorbing cavity on the deformable body can deform the deformable body, When a violent collision occurs, the deformation of the deformable body is used to consume energy, so that the energy transmitted to the driving area is less than the bearing capacity of the driving area structure without deformation, so as to better ensure the safety of passengers and reduce injuries. It is installed in the current The utility model relates to a safety protection device on the highway guardrail without changing the structure of the existing guardrail.
Description
技术领域technical field
本发明涉及高速公路交通安全设施技术领域，尤其是一种高速公路护栏的安全防撞装置。The invention relates to the technical field of expressway traffic safety facilities, in particular to a safety anti-collision device for expressway guardrails.
背景技术Background technique
目前，所有的高速公路及城市间公路的防护装置护基本上都为波形钢护栏。其安装后对于车辆发生偏离车道对有可能冲出公路起到很好的拦截保护作用，但对车辆及人员财产安全的保护较为有限，高强度的防护栏钢板在车辆撞击时产生的应力及反作用力对车辆及人员的伤害还是巨大的。同时，车辆碰撞护栏后的由于波形钢材料的刚性特性又使车辆减速较小，车辆折返后冲向行车道的几率则很大极容易造成二次车祸及多次连环车祸。所以，如何大幅度的提高高速公路护栏对车辆人员的保护等级，更大限度的减少车辆碰撞变形对人员乃至人员被抛出后撞击护栏的硬性伤害，并使车辆降速尽量将车辆滞留在护栏附近的紧急车道上，是本次发明需要解决的技术问题。At present, the guardrails of all highways and intercity highways are basically corrugated steel guardrails. After it is installed, it has a very good interception and protection effect on vehicles that deviate from the lane and may rush out of the road, but the protection for the safety of vehicles and personnel and property is relatively limited. The stress and reaction of high-strength guardrail steel plates when vehicles hit The damage to vehicles and personnel is still huge. At the same time, after the vehicle collides with the guardrail, due to the rigidity of the corrugated steel material, the vehicle deceleration is small, and the probability of the vehicle rushing to the driving lane after turning back is very high, which is very likely to cause secondary accidents and multiple serial accidents. Therefore, how to greatly improve the protection level of highway guardrails for vehicle personnel, minimize the hard damage caused by vehicle collision deformation to personnel and even people who are thrown out and hit the guardrail, and make the vehicle slow down as much as possible to keep the vehicle on the guardrail On the nearby emergency lane, it is the technical problem that this invention needs to solve.
之前，已有部分针对此类问题改良及解决方法，但实际运用的可操作性并不大，有局限性且不易大范围推广。另有转筒式防撞护栏是能有效地改善刚性护栏与车辆发生碰撞带来的刚性破坏，但其对数量更为众多的中小型车辆却是较为致命的，转筒的自转无法更好的来降低车速的惯性而产生的力量，造成车辆改变行驶方向偏离护栏冲向行车道，极易造成次级车祸的发生。Previously, there have been some improvements and solutions for this kind of problem, but the operability of the actual application is not great, there are limitations and it is not easy to promote on a large scale. In addition, the drum-type anti-collision guardrail can effectively improve the rigid damage caused by the collision between the rigid guardrail and the vehicle, but it is fatal to a large number of small and medium-sized vehicles, and the rotation of the drum cannot be better. The force generated by the inertia to reduce the speed of the vehicle causes the vehicle to change its driving direction and deviate from the guardrail and rush towards the driving lane, which can easily cause secondary traffic accidents.
另对护栏的结构改变的，只能安装在新建的高速公路，对已经建成的高速则会造成社会资源的浪费。In addition, if the structure of the guardrail is changed, it can only be installed on the newly built expressway, and it will cause a waste of social resources for the already built expressway.
这是现有技术所存在的不足之处。This is the weak point that existing technology exists.
发明内容Contents of the invention
本发明所要解决的技术问题，就是针对现有技术所存在的不足，而提供一种大幅度提高防护安全等级及安装简单、升级方便且成本较低的高速公路护栏的安全防撞装置的技术方案。The technical problem to be solved by the present invention is to provide a technical solution for a safety anti-collision device for highway guardrails that greatly improves the protection safety level and is simple to install, easy to upgrade and low in cost in view of the deficiencies in the prior art. .
本方案是通过如下技术措施来实现的：一种高速公路护栏的安全防撞装置，包括安装在波形护栏板上的多个变形体，所述变形体内设置有缓冲吸能腔，所述变形体的外表面设置有多个牵拉摩擦部。This solution is achieved through the following technical measures: a safety anti-collision device for highway guardrails, including a plurality of deformation bodies installed on the wave guardrail board, the deformation body is provided with a buffer energy-absorbing cavity, and the deformation body The outer surface is provided with a plurality of pulling friction parts.
本发明的进一步改进还有，所述变形体的形状为圆柱体、半圆柱体、正方体、长方体或多棱体。A further improvement of the present invention is that the shape of the deformation body is a cylinder, a half cylinder, a cube, a cuboid or a polygon.
本发明的进一步改进还有，所述缓冲吸能腔的形状为长方形孔、方形孔、菱形孔、梯形孔、多边形孔、圆形孔、半圆形孔或波浪形孔。A further improvement of the present invention is that the shape of the buffer and energy-absorbing cavity is a rectangular hole, a square hole, a rhombus hole, a trapezoidal hole, a polygonal hole, a circular hole, a semicircular hole or a wavy hole.
本发明的进一步改进还有，所述牵拉摩擦部为凹槽或凸起和/波形板。A further improvement of the present invention is that the pulling friction part is a groove or a protrusion and/or a corrugated plate.
本发明的进一步改进还有，所述变形体为圆柱形变形体，圆柱形变形体的背部与底板固定连接，所述底板的上端和下端分别设置有上护板和下护板，所述上护板和下护板是弧形板且与波形护栏板相匹配。A further improvement of the present invention is that the deformed body is a cylindrical deformed body, the back of the cylindrical deformed body is fixedly connected to the base plate, and the upper and lower ends of the base plate are respectively provided with an upper guard plate and a lower guard plate, and the upper guard plate And the lower guard plate is a curved plate and matches with the corrugated guardrail.
本发明的进一步改进还有，所述底板的后部设置有支撑板，支撑板的上下两端卡在波形护栏板的波谷内，每个支撑板的两侧分别设置有加强板。A further improvement of the present invention is that a support plate is provided at the rear of the bottom plate, the upper and lower ends of the support plate are stuck in the troughs of the corrugated guardrail, and reinforcing plates are respectively provided on both sides of each support plate.
本发明的进一步改进还有，所述底板的一端设置有连接凹槽，所述底板的另一端设置有与连接凹槽相匹配的连接凸起。As a further improvement of the present invention, one end of the bottom plate is provided with a connection groove, and the other end of the bottom plate is provided with a connection protrusion matching the connection groove.
本发明的进一步改进还有，所述底板的后部设置有摩擦带与波形护栏板的波峰相匹配。As a further improvement of the present invention, a friction belt is provided at the rear of the bottom plate to match the crest of the corrugated guardrail.
本发明的进一步改进还有，所述底板、上护板及下护板设置有相贯通的固定卡槽，所述固定卡槽内设置有扎带，扎带环绕固定卡槽后固定在波形护栏板上。A further improvement of the present invention is that the bottom plate, the upper guard plate and the lower guard plate are provided with a fixed fixing slot connected to each other, and a cable tie is arranged in the fixed card slot, and the cable tie is fixed on the corrugated guardrail after surrounding the fixed card slot. board.
本发明的进一步改进还有，所述变形体为长方形变形体，所述长方形变形体包括安装板和外吸能板，所述安装板和外吸能板之间设有一组连接板，所述安装板、外吸能板和连接板构成缓冲吸能腔。A further improvement of the present invention is that the deformed body is a rectangular deformed body, the rectangular deformed body includes a mounting plate and an external energy-absorbing plate, a set of connecting plates is arranged between the mounting plate and the external energy-absorbing plate, and the The mounting plate, the outer energy-absorbing plate and the connecting plate form a buffer energy-absorbing cavity.
本发明的有益效果可根据对上述方案的叙述得知，包括安装在波形护栏板上的多个变形体，所述变形体内设置有缓冲吸能腔，所述变形体的外表面设置有多个牵拉摩擦部。当发生剧烈碰撞时，可利用变形体的变形来消耗能量，这样传送到驾驶区的能量小于驾驶区结构的承受能力而不发生变形，以较好的保证乘客的安全，降低伤害。本发明的材料具有一定柔性、弹性、恢复性及刚性，同时具有吸能作用，防火防紫外线，外部设有增大车辆与此装置接触时产生强大摩擦力和牵引力的构造，即摩擦部，整体使车辆在发生冲撞时可能更好的吸能缓冲降速更大限度的降低及减少冲撞带给车辆变形带给司乘人员的人身伤害，提升人员的生存几率。同时可减少生命体撞击刚性护栏时的伤害，如车祸中被抛出的生命体，在撞击此装置时，如触碰安全气囊使人员得到很好的保护。另外，此种装置可广泛运用于新旧护栏上，具有安装简单、施工便捷、实用性强、可使所有车辆和人员的生命与财产得到极大的保护。The beneficial effect of the present invention can be known according to the description of the above-mentioned scheme, including a plurality of deformation bodies installed on the corrugated guardrail board, a buffer energy-absorbing cavity is arranged in the deformation body, and a plurality of deformation bodies are arranged on the outer surface of the deformation body. Pull the friction part. When a violent collision occurs, the deformation of the deformable body can be used to consume energy, so that the energy transmitted to the driving area is less than the bearing capacity of the driving area structure without deformation, so as to better ensure the safety of passengers and reduce injuries. The material of the present invention has a certain degree of flexibility, elasticity, recovery and rigidity, and at the same time has the function of energy absorption, fire prevention and UV protection, and is equipped with a structure that increases the strong friction and traction when the vehicle contacts with the device, that is, the friction part, the whole In the event of a collision, the vehicle may better absorb energy, buffer and slow down to a greater extent, reduce the personal injury caused by the deformation of the vehicle to the driver and passengers due to the collision, and improve the survival rate of the personnel. At the same time, it can reduce the damage of living body when it hits the rigid guardrail, such as the life body thrown out in a car accident, when hitting the device, such as touching the safety airbag, the personnel are well protected. In addition, this device can be widely used on new and old guardrails, and has the advantages of simple installation, convenient construction, strong practicability, and can greatly protect the lives and properties of all vehicles and personnel.
由此可见，本发明与现有技术相比，具有突出的实质性特点和显著的进步，其实施的有益效果也是显而易见的。It can be seen that, compared with the prior art, the present invention has outstanding substantive features and remarkable progress, and the beneficial effects of its implementation are also obvious.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，对于本领域普通技术人员而言，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings on the premise of not paying creative work.
图1为实施例一的立体图。Fig. 1 is a perspective view of Embodiment 1.
图2为实施例一的另一方向的立体图。Fig. 2 is a perspective view from another direction of the first embodiment.
图3为实施例一的俯视结构示意图。FIG. 3 is a schematic top view of the first embodiment.
图4为实施例一的后视结构示意图。Fig. 4 is a rear view structural schematic diagram of Embodiment 1.
图5为实施例一的左视结构示意图。Fig. 5 is a left view structural diagram of Embodiment 1.
图6为实施例一的扎带的结构示意图。Fig. 6 is a schematic structural view of the cable tie of the first embodiment.
图7为实施例二的俯视结构示意图。FIG. 7 is a schematic top view of the second embodiment.
图8为实施例三的立体图。Fig. 8 is a perspective view of the third embodiment.
图9为图8的A部放大图。FIG. 9 is an enlarged view of part A of FIG. 8 .
图10为实施例四的结构示意图。Fig. 10 is a schematic structural diagram of Embodiment 4.
图中，1为上护板，2为固定卡槽，3为变形体，4为缓冲吸能腔，5为底板，6为连接凹槽，7为摩擦带，8为支撑板，9为加强板，10为连接凸起，11为下护板，12为牵拉摩擦部，13为扎带，14为螺栓，15为螺栓，16为立柱，17为波形护栏板，18为安装板，19为连接板，20为外吸能板，21为波形板，22为凹槽，23为护板。In the figure, 1 is the upper guard plate, 2 is the fixed card slot, 3 is the deformation body, 4 is the buffer energy-absorbing cavity, 5 is the bottom plate, 6 is the connecting groove, 7 is the friction belt, 8 is the support plate, and 9 is the reinforcement Plate, 10 is the connection protrusion, 11 is the lower guard plate, 12 is the traction friction part, 13 is the cable tie, 14 is the bolt, 15 is the bolt, 16 is the column, 17 is the wave guardrail board, 18 is the installation plate, 19 20 is an external energy-absorbing plate, 21 is a corrugated plate, 22 is a groove, and 23 is a guard plate.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本发明中的技术方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
下面对本发明中出现的关键术语进行解释。Key terms appearing in the present invention are explained below.
变形体：指的是在外力作用下，能够发生弹性形变的部件；Deformable body: refers to a part that can undergo elastic deformation under the action of external force;
波形护栏板的波峰：指的是波形护栏板17中向外突起的最高点；The crest of the corrugated guardrail: refers to the highest point protruding outward in the corrugated guardrail 17;
波形护栏板的波谷：指的是波形护栏板17中向内凹陷的最低点。The trough of the corrugated guardrail: refers to the lowest point of the corrugated guardrail 17 sunken inward.
实施例一：Embodiment one:
一种高速公路护栏的安全防撞装置，包括安装在波形护栏板上的多个变形体3，所述变形体3内设置有缓冲吸能腔4，本发明中，变形体3是采用PVC塑料、橡胶或聚氨酯高密度发泡等材料制造，当车辆撞击到变形体3上后，由于变形体3本身即具有良好的弹性，可有效降低碰撞对车辆及司乘人员的伤害；另外，由于变形体3上的缓冲吸能腔4可使变形体3发生变形，当发生剧烈碰撞时，利用变形体3的变形来消耗能量，这样传送到驾驶区的能量小于驾驶区结构的承受能力而不发生变形，以较好的保证乘客的安全，降低伤害。本实施例中，变形体3为半圆柱体，可以纵向或横向并排设置；缓冲吸能腔4为圆形孔。A safety anti-collision device for highway guardrails, including a plurality of deformation bodies 3 installed on the corrugated guardrail board, the deformation body 3 is provided with a buffer energy-absorbing cavity 4, in the present invention, the deformation body 3 is made of PVC plastic , rubber or polyurethane high-density foam and other materials, when the vehicle hits the deformable body 3, because the deformable body 3 itself has good elasticity, it can effectively reduce the damage of the collision to the vehicle and the passengers; in addition, due to the deformation The buffer energy-absorbing cavity 4 on the body 3 can deform the deformable body 3. When a violent collision occurs, the deformation of the deformable body 3 is used to consume energy, so that the energy transmitted to the driving area is less than the bearing capacity of the driving area structure and does not occur. Deformation to better ensure the safety of passengers and reduce injuries. In this embodiment, the deformable body 3 is a semi-cylindrical body, which can be arranged side by side vertically or horizontally; the buffer and energy-absorbing cavity 4 is a circular hole.
为了降低车辆与波形护栏板17撞击后的车速，本发明在所述变形体3的外表面设置有多个牵拉摩擦部，所述牵拉摩擦部为凹槽或凸起或波形板，这种改进大大减小了车辆折返后冲向行人车道的几率，避免了二次车祸及多次连环车祸发生。其中凹槽或凸起可以为点状或条状，其形状可以为弧形、三角形、梯形等。In order to reduce the vehicle speed after the vehicle collides with the wave guardrail 17, the present invention is provided with a plurality of pulling friction parts on the outer surface of the deformation body 3, and the pulling friction parts are grooves or protrusions or corrugated plates. This improvement greatly reduces the probability of the vehicle rushing to the pedestrian lane after turning back, and avoids the occurrence of secondary traffic accidents and multiple serial traffic accidents. The grooves or protrusions can be point-shaped or strip-shaped, and their shapes can be arc-shaped, triangular, trapezoidal, etc.
为了避免事故后人员撞击在波形护栏板上产生的二次伤害，及物品甩出产生的损坏，本发明在所述底板5的上端和下端分别设置有上护板1和下护板11，所述上护板1和下护板11是弧形板且与波形护栏板17相匹配；为了实现整个装置与波形护栏板17的连接，同时，在所述底板5、上护板1及下护板11上设置有相贯通的固定卡槽2，所述固定卡槽2内设置有扎带13，扎带13环绕固定卡槽2后固定在波形护栏板17上。首先将上护板1及下护板11置于波形护栏板17的上下两端，然后将扎带13环绕整个固定卡槽2并在波形护栏板17背部的扎带13开口处用螺栓14固定，在扎带13的中部也采用螺栓15与整个装置固定连接。In order to avoid the secondary injury caused by the impact of personnel on the corrugated guardrail after the accident, and the damage caused by the throwing of the article, the present invention is provided with an upper guard plate 1 and a lower guard plate 11 at the upper end and the lower end of the bottom plate 5 respectively. The upper guard plate 1 and the lower guard plate 11 are arc-shaped plates and are matched with the wave guard guard plate 17; in order to realize the connection of the whole device with the wave guard guard plate 17, at the same time, the The plate 11 is provided with a fixed card slot 2 connected thereto, and the fixed card slot 2 is provided with a cable tie 13 , and the cable tie 13 is fixed on the corrugated guardrail board 17 after wrapping around the fixed card slot 2 . First place the upper guard plate 1 and the lower guard plate 11 on the upper and lower ends of the corrugated guardrail 17, then wrap the cable tie 13 around the entire fixing slot 2 and fix it with the bolt 14 at the opening of the cable tie 13 on the back of the corrugated guardrail 17 , also adopt bolt 15 to be fixedly connected with whole device in the middle part of cable tie 13.
更进一步的，为了实现对整个装置的支撑，所述底板5的后部设置有支撑板8，支撑板8的上下两端顶卡波形护栏板17的波谷内，每个支撑板8的两侧分别设置有加强板9。Furthermore, in order to support the entire device, a support plate 8 is provided at the rear of the base plate 5, and the upper and lower ends of the support plate 8 are stuck in the wave trough of the corrugated guardrail plate 17, and the two sides of each support plate 8 Reinforcing plates 9 are respectively provided.
更进一步的，为了实现整个装置的可靠固定，所述底板5的后部设置有摩擦带7与波形护栏板17的波峰相匹配。Furthermore, in order to realize the reliable fixation of the whole device, a friction belt 7 is provided at the rear of the base plate 5 to match the crest of the corrugated guardrail 17 .
为了实现相邻两装置的可靠连接，所述底板5的一端设置有连接凹槽6，所述底板5的另一端设置有与连接凹槽6相匹配的连接凸起10。连接凹槽6和连接凸起10都可以采用半圆形、三角形、正方形或梯形等。In order to realize reliable connection between two adjacent devices, one end of the bottom plate 5 is provided with a connection groove 6 , and the other end of the bottom plate 5 is provided with a connection protrusion 10 matching the connection groove 6 . Both the connecting groove 6 and the connecting protrusion 10 can be semicircular, triangular, square or trapezoidal.
本发明可以一体成型，也可以分体制作然后安装在一起。其材料可使用PVC塑料、橡胶或聚氨酯高密度发泡等材料，也可采用PVC塑料、橡胶或聚氨酯高密度发泡等材料的复合材料，使整个装置既具备既有一定的缓冲吸能效果，同时也具备了足够的强度以应对车辆的冲击。本发明实用性强，安装方便、更换简单，可广泛运用于新旧高速公路的护栏、普通国道的公路护栏及乡间道路的公路护栏等，使用范围广。The present invention can be integrally formed, and can also be made separately and then installed together. Its material can use PVC plastic, rubber or polyurethane high-density foaming materials, or composite materials such as PVC plastic, rubber or polyurethane high-density foaming materials, so that the whole device has both a certain buffering and energy-absorbing effect, At the same time, it also has enough strength to deal with the impact of the vehicle. The invention has strong practicability, convenient installation and simple replacement, and can be widely used in guardrails of new and old expressways, highway guardrails of ordinary national roads and highway guardrails of country roads, etc., and has a wide application range.
实施例二：Embodiment two:
与实施例一不同的是，牵拉摩擦部12的截面形状为圆弧形。Different from the first embodiment, the cross-sectional shape of the pulling friction part 12 is arc-shaped.
实施例三：Embodiment three:
与实施例一不同的是，所述变形体3为长方形变形体，该长方形变形体包括安装板18和外吸能板20，所述安装板18和外吸能板20之间设有一组连接板19，所述安装板18、外吸能板20和连接板19构成缓冲吸能腔4，该缓冲吸能腔4的形状为长方形孔。当车辆与该长方形变形体3发生撞击时，车辆首先接触到外吸能板20，由于缓冲吸能腔4的存在，使外吸能板20发生扭曲变形，从而消耗掉一部分能量。The difference from Embodiment 1 is that the deformation body 3 is a rectangular deformation body, and the rectangular deformation body includes a mounting plate 18 and an external energy-absorbing plate 20, and a set of connections is provided between the mounting plate 18 and the external energy-absorbing plate 20 The plate 19, the mounting plate 18, the outer energy-absorbing plate 20 and the connecting plate 19 form a buffer and energy-absorbing chamber 4, and the shape of the buffer and energy-absorbing chamber 4 is a rectangular hole. When the vehicle collides with the rectangular deformable body 3, the vehicle first touches the outer energy-absorbing plate 20, and due to the existence of the buffer energy-absorbing chamber 4, the outer energy-absorbing plate 20 is distorted and deformed, thus consuming a part of energy.
所述牵拉摩擦部为波形板21与凹槽22的结合，波形板21和凹槽22均对事故车辆起到摩擦缓冲的作用，降低了事故车辆的速度，避免了二次伤害的产生。二者最好是交替设置，此时，所具备的摩擦缓冲性能最好。所述凹槽22的截面形状为弧形，除此之外，也可采用三角形、梯形、方形等形状。The traction friction part is the combination of the corrugated plate 21 and the groove 22. The corrugated plate 21 and the groove 22 both play the role of friction buffer for the accident vehicle, reducing the speed of the accident vehicle and avoiding the generation of secondary injury. The two are preferably arranged alternately, at this time, the frictional cushioning performance is the best. The cross-sectional shape of the groove 22 is arc-shaped, besides, triangular, trapezoidal, square and other shapes can also be used.
为了实现相邻两长方形变形体的可靠连接，在长方形变形体的一端设置有连接凹槽，长方形变形体的另一端设置有与连接凹槽相匹配的连接凸起。In order to realize reliable connection between two adjacent rectangular deformation bodies, a connection groove is provided at one end of the rectangular deformation body, and a connection protrusion matching the connection groove is provided at the other end of the rectangular deformation body.
为了实现长方形变形体与波形护栏板17的可靠固定，使扎带穿过缓冲吸能腔4后固定在波形护栏板17的背部。In order to realize the reliable fixing of the rectangular deformable body and the corrugated guardrail 17, the cable tie is fixed on the back of the corrugated guardrail 17 after passing through the buffer energy-absorbing chamber 4.
实施例四：Embodiment four:
与实施例三不同的是，所述安装板18内侧的两端分别设置有护板23，所述护板23与波形护栏板17固定连接，所述护板23的形状与波形护栏板17的形状相匹配，避免了事故后人员撞击在波形护栏板上产生的二次伤害，及物品甩出产生的损坏。The difference from the third embodiment is that two ends of the inner side of the installation plate 18 are respectively provided with guard plates 23, and the guard plates 23 are fixedly connected with the corrugated guardrails 17, and the shape of the guards 23 is similar to that of the corrugated guardrails 17. The shapes are matched to avoid the secondary injury caused by the collision of people on the corrugated guardrail after the accident, and the damage caused by the throwing of objects.
尽管通过参考附图并结合优选实施例的方式对本发明进行了详细描述，但本发明并不限于此。在不脱离本发明的精神和实质的前提下，本领域普通技术人员可以对本发明的实施例进行各种等效的修改或替换，而这些修改或替换都应在本发明的涵盖范围内/任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应所述以权利要求的保护范围为准。Although the present invention has been described in detail in conjunction with preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, those skilled in the art can make various equivalent modifications or replacements to the embodiments of the present invention, and these modifications or replacements should be within the scope of the present invention/any Those skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.
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