阅读说明：本技术 一种公路工程应急防撞装置 (Emergent buffer stop of highway engineering ) 是由 岳春雷 姜冬红 王国金 杨金玲 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种公路工程应急防撞装置,属于防撞护栏技术领域,一种公路工程应急防撞装置,通过在底座上设置环形切刀,并将防撞杆置于环形切刀内部,在受到车辆直接撞击时可以及时被环形切刀切断,防止车辆被反弹回车道造成二次交通事故,当失控车辆撞向防撞挡板时,相邻的防撞杆之间的防撞面板受到撞击,挤压吸能筒向内溃缩吸收车辆的动能,此外,缓冲索受到冲击力被拉伸并带动滑块在限位滑槽内部滑动,吸收车辆的动能,当车辆撞击力度过大,防撞挡板以及缓冲索拉动防撞杆弯曲并被环形切刀切断,此时,多段防撞挡板及其内部的缓冲索同时受力,对车辆进行缓冲。(The invention discloses an emergency anti-collision device for highway engineering, belonging to the technical field of anti-collision guardrails, which is characterized in that an annular cutter is arranged on a base, an anti-collision rod is arranged in the annular cutter, can be cut off by the annular cutter in time when being directly impacted by the vehicle, prevents the vehicle from being rebounded back to the lane to cause secondary traffic accidents, when an out-of-control vehicle collides against the anti-collision baffle, the anti-collision panel between the adjacent anti-collision rods is impacted to extrude the energy absorption cylinder to collapse inwards to absorb the kinetic energy of the vehicle, in addition, the buffer cable is stretched by the impact force and drives the sliding block to slide in the limiting sliding groove to absorb the kinetic energy of the vehicle, when the vehicle impact force is too large, the anti-collision baffle and the buffer cable pull the anti-collision rod to be bent and cut off by the annular cutter, and at the moment, the multi-section anti-collision baffle and the buffer cable in the multi-section anti-collision baffle are stressed simultaneously to buffer the vehicle.)

1. The utility model provides an emergent buffer stop of highway engineering, includes a plurality of bases (1), its characterized in that: the utility model discloses a bumper, including base (1), recess inside fixedly connected with crash bar (2), the recess upper end is equipped with annular cutter (6) that corresponds with crash bar (2) position, crash bar (2) all is equipped with anticollision baffle (3) in the left and right sides, anticollision baffle (3) are including crashproof panel (31) and crashproof bottom plate (33) of energy-absorbing board (32) and both sides, crashproof panel (31) and crashproof bottom plate (33) both ends are equallyd divide and do not fixedly connected in on crashproof pole (2) adjacent about, energy-absorbing board (32) are through a plurality of energy-absorbing section of thick bamboo and crashproof panel (31) fixed connection, crashproof bottom plate (33) and energy-absorbing board (32) opposite side all symmetry are equipped with a plurality of spacing spouts, be equipped with a plurality of buffer unit (4) between energy-absorbing board (33) and the energy-absorbing board (32), buffer unit (4) are including buffering cable (41) and stopper (42) that are fixed in it, the two ends of the buffer cable (41) are respectively and fixedly connected to the adjacent anti-collision rods (2), the limiting block (42) comprises a fixed block and sliding blocks on the two sides of the fixed block, the sliding block is connected to one side of the limiting sliding groove of the anti-collision bottom plate (33) in a sliding mode, and the sliding block is connected to the other side of the limiting sliding groove of the energy absorption plate (32) in a sliding mode.

2. The emergency anti-collision device for road engineering according to claim 1, wherein: the buffer cable (41) comprises a main cable (411) positioned in the middle and an auxiliary cable (412) wound on the outer side of the main cable in a ring shape, and the main cable (411) is made of alloy spring steel materials.

3. The emergency anti-collision device for road engineering according to claim 2, wherein: the auxiliary rope (412) comprises a thick steel wire in the middle and a thin steel wire annularly arranged on the outer side of the thick steel wire, and the thick steel wire and the thin steel wire are both made of spring steel materials.

4. The emergency anti-collision device for road engineering according to claim 1, wherein: the energy absorption plate (32) is made of medium carbon steel materials, a buffer interlayer is arranged inside the energy absorption plate (32), and the buffer interlayer is made of porous rubber materials.

5. The emergency anti-collision device for road engineering according to claim 1, wherein: the anti-collision rod (2) is provided with a long and thin section, and the long and thin section is arranged corresponding to the annular cutter (6).

6. The emergency anti-collision device for road engineering according to claim 1, wherein: the annular cutter (6) is made of tungsten steel materials and is of a structure with the thickness decreasing from outside to inside.

7. The emergency anti-collision device for road engineering according to claim 1, wherein: two adjacent all connect through welded fastening between crashproof bottom plate (33) between crashproof panel (31) and adjacent, two adjacent between crashproof panel (31) and adjacent crashproof bottom plate (33) all be equipped with connecting block (5).

8. The emergency collision avoidance device for road engineering according to claim 7, wherein: the anti-rust connecting block is characterized in that an anti-rust layer is coated on the connecting block (5), a rubber pad is arranged on the outer side of the connecting block (5), and the rubber pad is of a porous structure.

9. The emergency anti-collision device for road engineering according to claim 1, wherein: the outer side of the anti-collision rod (2) is coated with an anti-collision layer, and anti-collision rubber is arranged on the outer side of the anti-collision layer.

10. The emergency anti-collision device for road engineering according to claim 1, wherein: the base (1) is made of reinforced concrete materials and is marked with a reference number of more than C40.

Technical Field

The invention relates to the technical field of anti-collision guardrails, in particular to an emergency anti-collision device for highway engineering.

Background

The highway anti-collision guardrail is the most important traffic infrastructure, the highway in China is developed from the 80 s, plays an important role in influencing the development of national economy and society, is an important maintenance and safety guarantee facility of the highway, can be manufactured into a permanent guardrail net wall for use, can be used as a temporary separation net, and can be realized by adopting different upright post fixing modes in use.

At present domestic anticollision barrier protective capacities is limited, can not effectual absorption vehicle's out of control kinetic energy when meetting violent impact, leads to the vehicle serious damage, and inside personnel's life receives the threat, in addition when the vehicle directly collided to the stand, because buffer distance can cause more serious injury to personnel in the car for a short time, makes the vehicle rebound back to the lane easily, leads to the secondary traffic accident.

Therefore, the emergency anti-collision device for the road engineering is provided for effectively solving the problems in the prior art.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a highway engineering emergency anti-collision device, an energy absorption cylinder is arranged in an anti-collision baffle, so that when the anti-collision baffle is impacted by a vehicle, the energy absorption cylinder can absorb partial kinetic energy, the device does not need to be replaced during slight impact, the practicability is improved, a buffer assembly can be matched to absorb the kinetic energy of a large number of vehicles out of control, the safety of personnel in the vehicle is improved, meanwhile, the anti-collision rod can be cut off in time by matching with an annular cutter arranged on the outer side of the anti-collision rod, the number of the anti-collision baffle and the number of buffer cables participating in buffering are increased, and the protection capability of the personnel in the vehicle is further improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An emergency anti-collision device for highway engineering comprises a plurality of bases, wherein the upper ends of the bases are provided with grooves, anti-collision rods are fixedly connected inside the grooves, annular cutters corresponding to the positions of the anti-collision rods are arranged at the upper ends of the grooves, anti-collision baffles are arranged on the left and right sides of the anti-collision rods and comprise energy absorption plates and anti-collision panels and anti-collision bottom plates on the two sides of the energy absorption plates, the two ends of each anti-collision panel and the two ends of each anti-collision bottom plate are respectively and fixedly connected to the adjacent anti-collision rods, a plurality of limiting chutes are symmetrically arranged on the opposite sides of each anti-collision bottom plate and the energy absorption plates, a plurality of buffer assemblies are arranged between each anti-collision bottom plate and each energy absorption plate and comprise buffer cables and limiting blocks fixed on the buffer cables, the two ends of each buffer cable are respectively and fixedly connected to the adjacent anti-collision rods, each limiting block comprises a fixing block and sliding blocks on the two sides of the fixing block, one side of each sliding block is connected to the limiting chute of each anti-collision bottom plate, the slide block at the other side is connected in the limiting chute of the energy absorption plate in a sliding manner.

Furthermore, the buffer cable comprises a main cable positioned in the middle and an auxiliary cable annularly wound on the outer side of the main cable, and the main cable is made of alloy spring steel materials.

Furthermore, the auxiliary cable comprises a thick steel wire in the middle and a thin steel wire annularly arranged on the outer side of the thick steel wire, and the thick steel wire and the thin steel wire are both made of spring steel materials.

Furthermore, the energy absorption plate is made of medium carbon steel material, a buffer interlayer is arranged inside the energy absorption plate, and the buffer interlayer is made of porous rubber material.

Furthermore, the anti-collision rod is provided with a long and thin section, and the long and thin section is arranged corresponding to the position of the annular cutter.

Furthermore, the annular cutter is made of tungsten steel materials and is of a structure with the thickness decreasing from outside to inside.

Further, all be connected through welded fastening between two adjacent crashproof panels and between the adjacent crashproof bottom plate, all be equipped with the connecting block between two adjacent crashproof panels and between the adjacent crashproof bottom plate.

Furthermore, the connecting block is coated with an anti-rust layer, a rubber pad is arranged on the outer side of the connecting block, and the rubber pad is of a porous structure.

Furthermore, the outer side of the anti-collision rod is coated with an anti-collision layer, and anti-collision rubber is arranged on the outer side of the anti-collision layer.

Furthermore, the base is made of reinforced concrete material and is marked with a reference number of above C40.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through setting up the annular cutter on the base, and arrange the crash bar inside the annular cutter, can in time be cut off by the annular cutter when receiving the direct striking of vehicle, prevent that the vehicle from being caused the secondary traffic accident by bounce-back lane, when the vehicle out of control bumps to anticollision baffle, crashproof panel between the adjacent crash bar receives the striking, the inside kinetic energy of collapsing absorption vehicle of extrusion energy-absorbing section of thick bamboo, furthermore, the buffering cable receives the impact force and is stretched and drive the slider and slide in spacing spout inside, absorb the kinetic energy of vehicle, it is too big when the vehicle striking dynamics, anticollision baffle and buffering cable drive the crash bar and crooked and cut off by the annular cutter, at this moment, multistage anticollision baffle and inside buffering cable atress simultaneously, cushion the vehicle.

(2) Buffering cable in this scheme is including being located the main cable in the middle of and the vice cable that outside ring winding set up, the main cable adopts alloy spring steel material to make, vice cable is including the thick steel wire in middle and the thin steel wire that outside ring was established, thick steel wire and thin steel wire all adopt spring steel material to make, alloy spring steel has higher elastic limit as the main cable, can bear bigger impact force, vice cable is worked out by thick steel wire and many thin steel wires and is formed and have higher flexibility, can provide better buffering effect for the vehicle out of control.

(3) This scheme is through adopting medium carbon steel material to make the energy-absorbing board, and the energy-absorbing inboard is inside to be equipped with the buffering intermediate layer, and the buffering intermediate layer adopts porous rubber material to make, can add the buffering intermediate layer in dangerous highway section, improves the protective capacities to the vehicle.

(4) This scheme is through being equipped with the elongated section at the crash bar, and the elongated section corresponds the setting with annular cutter position, and annular cutter adopts the tungsten steel material to make, and it is by outer to interior thickness degressive structure in proper order, and the annular cutter that utilizes the tungsten steel to make has higher hardness, can in time cut off the crash bar when the direct striking crash bar of vehicle, prevents that the vehicle from receiving more serious damage.

(5) This scheme makes between two adjacent crashproof panels and all through welded fixed connection between the adjacent crashproof bottom plate, all is equipped with the connecting block between two adjacent crashproof panels and between the adjacent crashproof bottom plate, and multiple fixed connection mode has improved the wholeness of device, has increased the ability of bearing the impact.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the crash bar of the present invention;

FIG. 3 is a schematic view of the structure of the joint of the base and the crash bar of the present invention;

FIG. 4 is a schematic view of the construction of the annular cutter of the present invention;

FIG. 5 is an exploded view of the crash barrier of the present invention;

FIG. 6 is a schematic view of a stopper of the present invention;

FIG. 7 is a schematic view of a buffer assembly according to the present invention;

FIG. 8 is a schematic cross-sectional view of a cord of the present invention;

FIG. 9 is a schematic illustration of an energy absorbing plate structure according to the present invention;

fig. 10 is a schematic view of the present invention in a state of being hit by a vehicle.

The reference numbers in the figures illustrate:

1 base, 2 bumper bars, 3 anti-collision baffle plates, 31 anti-collision panel, 32 energy absorption plate, 33 anti-collision bottom plate, 4 buffer components, 41 buffer cable, 411 main cable, 412 auxiliary cable, 42 limiting block, 5 connecting block and 6 annular cutter

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-4, an emergency anti-collision device for highway engineering comprises a plurality of bases 1, wherein a groove is formed in the upper end of each base 1, an anti-collision rod 2 is fixedly connected inside the groove, an annular cutter 6 corresponding to the anti-collision rod 2 is arranged at the upper end of the groove, an elongated section is arranged on each anti-collision rod 2 and corresponds to the annular cutter 6, each annular cutter 6 is made of tungsten steel and is of a structure with gradually decreasing thickness from outside to inside, and the annular cutters 6 made of tungsten steel have high hardness, so that the anti-collision rods 2 can be timely cut off when a vehicle directly collides with the anti-collision rods 2, and the vehicle is prevented from being damaged more seriously.

Referring to fig. 1 and 5-8, the left and right sides of the crash bar 2 are provided with the crash baffles 3, each crash baffle 3 comprises an energy absorbing plate 32 and a crash panel 31 and a crash bottom plate 33 on the two sides of the energy absorbing plate, the two ends of each crash panel 31 and the two ends of each crash bottom plate 33 are fixedly connected to the left and right adjacent crash bars 2, the two adjacent crash panels 31 and the adjacent crash bottom plates 33 are fixedly connected by welding, the two adjacent crash panels 31 and the adjacent crash bottom plates 33 are provided with the connecting blocks 5, the integrity of the device is improved by the multiple fixed connection mode, and the impact bearing capacity is improved.

The energy absorption plate 32 is fixedly connected with the anti-collision panel 31 through a plurality of energy absorption cylinders, a plurality of limiting chutes are symmetrically arranged on the opposite sides of the anti-collision bottom plate 33 and the energy absorption plate 32, a plurality of buffer assemblies 4 are arranged between the anti-collision bottom plate 33 and the energy absorption plate 32, each buffer assembly 4 comprises a buffer cable 41 and a limiting block 42 fixed on the buffer cable, two ends of each buffer cable 41 are respectively and fixedly connected to the adjacent anti-collision rods 2, each buffer cable 41 comprises a main cable 411 positioned in the middle and an auxiliary cable 412 annularly wound on the outer side of the main cable, each main cable 411 is made of alloy spring steel material, each auxiliary cable 412 comprises a thick steel wire positioned in the middle and a thin steel wire annularly arranged on the outer side of the thick steel wire, each thick steel wire and each thin steel wire are made of spring steel material, the alloy spring steel has higher elastic limit as the main cable, the auxiliary cable 412 can bear larger impact force, is woven by thick steel wires and a plurality of thin steel wires to have higher flexibility, and can provide better buffer effect for the out-of-control vehicle.

The limiting block 42 comprises a fixed block and sliding blocks on two sides of the fixed block, the sliding block on one side is connected in a limiting sliding groove of the anti-collision bottom plate 33 in a sliding mode, the sliding block on the other side is connected in a limiting sliding groove of the energy absorption plate 32 in a sliding mode, the buffering rope 41 is clamped when being broken, and the buffering rope 41 is prevented from being broken to hurt people.

Referring to fig. 9, the energy absorbing plate 32 is made of medium carbon steel, a buffer interlayer is arranged inside the energy absorbing plate 32 and made of porous rubber material, and the buffer interlayer can be additionally arranged on a dangerous road section to improve the protection capability of vehicles.

In addition, the base 1 is made of reinforced concrete materials, the number of the base is more than C40, the outer side of the anti-collision rod 2 is coated with an anti-collision layer, anti-collision rubber is arranged on the outer side of the anti-collision layer, the connecting block 5 is coated with the anti-collision layer, a rubber pad is arranged on the outer side of the connecting block 5, and the rubber pad is of a porous structure.

Referring to fig. 10, when a vehicle is out of control and collides against the bumper 3 of the device, the bumper panel is impacted to make the energy-absorbing cylinder collapse inward to absorb part of the energy, when the impact force exceeds the upper limit of the energy-absorbing cylinder, the buffer cable 41 is impacted to begin to elongate and deform to absorb the kinetic energy, and the limit block 42 slides in the limit chute to consume part of the kinetic energy, when the impact force of the vehicle is too large and one section of the buffer assembly 4 cannot be blocked, the buffer cable 41 drives the bumper 2 to deform and is cut off by the annular cutter 6, at this time, more buffer assemblies 4 simultaneously protect the vehicle, and finally, the effects of stably stopping the vehicle and reducing the injury of personnel in the vehicle are achieved.

When the out-of-control vehicle directly collides against the anti-collision rod 2, the anti-collision rod 2 can be cut off by the annular cutter 6, and the anti-collision baffles 3 on the two sides intervene to prevent the vehicle from rebounding to the lane to cause secondary traffic accidents, thereby protecting the safety of personnel in the vehicle.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.