CN113502772A

CN113502772A - Multifunctional highway guardrail structure

Info

Publication number: CN113502772A
Application number: CN202110684699.8A
Authority: CN
Inventors: 李和康
Original assignee: Ningbo Lvneng Technology Innovation Culture And Art Development Co Ltd
Current assignee: Ningbo Lvneng Technology Innovation Culture And Art Development Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-10-15

Abstract

The invention relates to the technical field of highway guardrails, in particular to a multifunctional highway guardrail structure which comprises a plurality of guardrail plate assemblies which are transversely connected end to end; any two adjacent guardrail plate assemblies are connected through a transverse connecting component; each guardrail plate assembly comprises a guardrail plate and an anti-collision module; the guardrail plate comprises a plurality of round pipe parts for resource transmission; any two adjacent round pipe parts are connected through a longitudinal connecting part; the anti-collision module is arranged between every two adjacent round pipe parts. The invention has the advantages of improving the anti-collision strength and the anti-collision effect of the protective guard, facilitating resource transmission and providing convenience for resource transmission.

Description

Multifunctional highway guardrail structure

Technical Field

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

Background

The utility model discloses a high strength steel construction highway guardrail board that discloses in current highway guardrail for example china utility model patent (publication number CN 209011045U), including integrated into one piece's horizontal girder steel and two side steel boards, horizontal girder steel level sets up, two the vertical symmetry of side steel board sets up the left and right sides of horizontal girder steel, be equipped with the lower uplift and the last uplift of evagination on the side steel board, down the uplift with go up the uplift and be parallel to each other and the longitudinal symmetry sets up, down the uplift include with the parallel lower limb of horizontal girder steel, go up the uplift include with the parallel top edge of horizontal girder steel, the lower limb with the top edge with a plurality of enhancement posts of fixedly connected with between the horizontal girder steel. The high-strength steel structure highway guardrail plate is attractive and elegant in appearance, high in strength and strong in anti-collision capacity, when a vehicle collides with the guardrail plate in a traffic accident, the vehicle is not easy to crash the highway guardrail plate and then rushes out of the highway, so that the traffic accident is prevented from being expanded, and the traffic safety of the highway is guaranteed.

From the aspect of guardrail plate structure, the conventional highway guardrail plate is of a single-layer structure, and is rolled into a W shape by a cold-bending forming machine, so that the guardrail plate processed and produced in the way has relatively low structural strength and is easy to deform or break by collision of an automobile; meanwhile, the conventional road guardrail plate is not provided with a corresponding anti-collision device, if an accident happens, when an automobile collides with the guardrail plate, the automobile and the guardrail plate are in hard collision, so that the automobile and the guardrail plate are easily seriously damaged, and the personnel in the automobile can be seriously influenced.

From the aspect of guardrail board service function, current water conservancy, electric power and communication transmission mode all are through being under construction on the ground on the highway, install water pipe, electric wire and communications facilities in the ground to reach the effect of resource transmission. However, such a transmission method requires a large construction cost and is time-consuming and labor-consuming.

In the aspect of hydraulic resource transmission, particularly in desert areas, water resources and lack thereof cannot be conveyed all the way along a highway, so that the water resources cannot be supplied to areas with the lack of the water resources, and when traffic accidents occur on the highway to cause automobile combustion, a fire truck needs to be waited for support, and the water resources cannot be supplied to the site for timely fire extinguishing at the first time.

In the aspect of power resource transmission, as science and technology are developed more and more, electric vehicles are developed better and better, and in the process of road driving, the situation that the electric vehicles cannot drive due to power shortage can be met, so that power resources cannot be provided in time, the electric vehicles cannot be charged in an emergency, and the electric vehicles can be transferred only by calling engineering vehicles.

In the aspect of communication resource transmission, due to the industrial development of unmanned driving, road monitoring and the like, signal transmission needs to be provided for automobiles in real time in the unmanned driving process, and roads need to be monitored in real time.

Disclosure of Invention

The invention aims to solve the technical problems of poor anti-collision effect and high resource transmission construction cost of the conventional guardrail plate, and provides a multifunctional highway guardrail structure which further increases the anti-collision effect through an anti-collision module, and reduces the construction cost and improves the convenience of resource transmission through arranging a water pipe, an electric wire or an optical fiber which is convenient for resource transmission in a round pipe part on the guardrail plate.

For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:

a multifunctional highway guardrail structure comprises a plurality of guardrail plate components which are transversely connected end to end; any two adjacent guardrail plate assemblies are connected through a transverse connecting component; each guardrail plate assembly comprises a guardrail plate and an anti-collision module; the guardrail plate comprises a plurality of round pipe parts for resource transmission; any two adjacent round pipe parts are connected through a longitudinal connecting part; the anti-collision module is arranged between every two adjacent round pipe parts. Further promote crashproof intensity through the anticollision module, the better messenger car of also being convenient for is gone along the guardrail direction, through the circular tube portion on the guardrail board be convenient for better carry out resource transmission, promote resource transmission's convenience.

Preferably, the inner rings at two ends of the round pipe part are provided with connecting threads in opposite directions; the connecting part comprises a plurality of sealing connectors and a reinforcing connecting plate; the sealing connector is in a hollow round tube shape; the sealing connector comprises sealing connecting parts at two ends and a connecting and communicating part in the middle; the outer ring of the sealing connecting part at the two ends is provided with matching threads in opposite directions; the matching thread is matched with the connecting thread and is in locking connection with the connecting thread; the connecting and communicating part is connected and communicated with the round pipes on two adjacent sides; and two ends of the reinforcing connecting plate are respectively and fixedly connected with the connecting parts at two adjacent sides.

Preferably, a communication interface for resource transmission is arranged in the middle of the connection communication part.

Preferably, the sealing connecting parts at the two ends are further sleeved with sealing rings, and the diameters of the sealing rings are matched with the diameters of the connecting and communicating parts.

Preferably, each reinforcing connecting plate is provided with a control box, and a water supply connector for fire fighting, a charging plug for automobile charging and a wireless signal transmitting and receiving device for wireless signal transmission are respectively arranged in each control box; the water supply connector, the automobile charging plug and the communication connector are respectively connected with the corresponding communication interfaces.

Preferably, the anti-collision module is a plurality of anti-collision wheel sets, and each anti-collision wheel set comprises an anti-collision rotating shaft, an anti-collision wheel and a U-shaped limiting sheet; the upper end of the anti-collision rotating shaft is fixedly connected with the front side of the round pipe part adjacent to the upper part; the lower end of the anti-collision rotating shaft is fixedly connected with the front side of the round pipe part adjacent to the lower side of the anti-collision rotating shaft, the anti-collision wheel is sleeved in the middle of the anti-collision rotating shaft through a bearing, the inner part of the anti-collision wheel is made of non-Newtonian liquid, and the outer part of the anti-collision wheel is made of soft plastic materials; two open ends of the U-shaped limiting sheet are respectively positioned at the top and the bottom of the anti-collision wheel; the closed section of the U-shaped limiting sheet is fixedly connected with the connecting part.

Preferably, the anti-collision module comprises an anti-collision belt and a plurality of fixing buckles, the upper end of each fixing buckle is fixedly connected with the upper round pipe part, and the lower end of each fixing buckle is fixedly connected with the lower round pipe part; the anti-collision belt is fixed on the front side of the connecting part through a plurality of fixing buckles and comprises an outer cover and filler inside; the outer cover is made of plastic, and the filling material is filled with one of gas, liquid and soft solid.

Preferably, the number of the round tube parts is two, and the round tube part positioned at the upper part is used for placing one of an electric wire for power transmission and an optical fiber for communication transmission; the round pipe part at the lower part is used for placing a water conveying pipe for hydraulic conveying.

Preferably, the number of the round tube parts is three, and the round tube part positioned at the top is used for placing optical fibers for communication transmission; the round pipe part positioned in the middle part is used for placing an electric wire for power transmission; the round pipe part at the bottom is used for placing a water conveying pipe for hydraulic conveying.

Preferably, the guardrail plate is integrally formed by casting, and the connecting part is of a double-layer structure and is wavy in the middle.

In conclusion, the anti-collision protective guard has the advantages that the anti-collision strength and the anti-collision effect of the protective guard are improved, resource transmission is facilitated, the construction cost is reduced, and convenience in resource transmission is provided.

Drawings

Fig. 1 is a schematic structural view of a multifunctional road guardrail structure of the present invention.

Figure 2 is a left side view of the guardrail plate assembly of the present invention.

Fig. 3 is a schematic structural diagram of the sealing joint according to the present invention.

Fig. 4 is a schematic structural view of the reinforcing connecting plate of the present invention.

Fig. 5 is a schematic structural view of an impact belt according to embodiment 2 of the present invention.

Fig. 6 is a schematic structural view of two crash belts according to embodiment 2 of the present invention.

Fig. 7 is a schematic structural view of a guardrail structure according to embodiment 3 of the invention.

Wherein: 1. a guardrail plate assembly; 2. a connecting member; 21. sealing the connector; 211. sealing the connection part; 212. a connecting communicating part; 213. a communication interface; 214. a seal ring; 221. a control box; 222. a water supply connection; 223. a charging socket; 224. a wireless signal transmitter-receiver; 3. a guardrail plate; 31. a round tube portion; 32. a connecting portion; 4, an anti-collision module; 41. an anti-collision rotating shaft; 42. an anti-collision wheel; 43. an anti-collision belt; 431. and (5) fixing the buckle.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

Example 1

As shown in fig. 1 and 2, a multi-functional highway barrier structure comprises a plurality of barrier panel assemblies 1 which are transversely connected end to end; the guardrail plate assemblies 1 are connected through the transverse connecting parts 2, the guardrail plate assemblies 1 can be connected in series through the connecting parts 2, and meanwhile, the structural strength between the guardrail plate assemblies 1 and the adjacent guardrail plate assemblies 1 can also be increased. Each guardrail plate assembly 1 comprises a guardrail plate 3 and a collision avoidance module 4; the guardrail plate 3 includes two round tube portions 31 for performing resource transmission (the resource transmission is for performing one of water conservancy transmission, power transmission, and communication transmission); the round tube part 31 located at the upper part is used for placing electric wires for power transmission or optical fibers for communication transmission, so that power resources or communication resources are transmitted on the guardrail plate, and the round tube part 31 located at the lower part is used for placing a water delivery tube for hydraulic transmission, so that hydraulic resources are transmitted on the guardrail plate. Any two adjacent round pipe parts 31 are connected through a longitudinal connecting part 32; the connecting portion 32 is an arc-shaped connecting plate for connecting the two circular tube portions 31, so that the connecting strength is improved, and the transition between the upper circular tube portion 31 and the lower circular tube portion 31 is facilitated. Anticollision module 4 vertically sets up between per two adjacent pipe portion 31, can further promote crashproof intensity and anticollision effect through anticollision module 4, is convenient for when the car side direction hits the guardrail board, can make the car remove along the direction of guardrail board, and the car can not appear and beat and change, or dash out the phenomenon of guardrail board.

The guardrail plate 3 is integrally formed in a pouring mode, and the guardrail plate 3 is processed through a corresponding pouring mold. Most of the conventional guardrail plates are single plates, the thickness of each guardrail plate is about 3-4 mm, the guardrail plates are rolled into a W-shaped shape through a cold-bending forming machine, and the structural strength of the guardrail plates processed and produced in the mode is relatively low. The connection portion 32 can be in a double-layer structure by means of pouring, and the double-layer structure of the connection portion 32 is wavy. The double-layer structure thickness of connecting portion 32 is about 2~3mm, and although double-layer structure is thinner than current single-layer structure, nevertheless is greater than single-layer structure far away in structural strength.

Realize power resource transmission on the guardrail board, need not carry out the underground construction of digging a well, save construction cost and installation effectiveness, be convenient for arranging and walk the line of electric wire to can power output, charge for the electric automobile that needs charge, play certain emergency action.

The communication resource transmission is realized on the guardrail plate, the WTRU is connected through the optical fiber and transmits wireless signals, and the WTRU can be a wireless sensor, a micro base station, a pico base station or a femto base station, so that accurate signals can be provided for an unmanned automobile, the distance between the unmanned automobile and the WTRU is shortened, and the stability and the accuracy of signal transmission are improved.

Realize the transmission of water resource on the guardrail board, the cost of reduction underground resource transmission that can be great, the work of the quantity of having significantly reduced the trip well on the way and underground construction low tube to at scenic spot or village highway section, utilize water pump or water pressure adjusting device to provide emergent water for this highway section, when the conflagration breaing out, also can act as the fire control water source, in time put out a fire to the conflagration scene, play certain emergency action.

The mode that the power supply was supplied water through both ends, sets for corresponding distance (the distance is 30 meters ~50 meters), all sets up the interrupt controller in water pipe and electric wire department, like this when certain highway section bumps, only the water source and the power of this highway section can't supply, and other highway sections still can continue normally to provide water source and power and carry.

As shown in fig. 3, the inner rings at the two ends of the circular tube part 31 are provided with connecting threads in opposite directions, so that the two guardrail plates 3 can be screwed and connected through the opposite connecting threads, the connection convenience can be improved, and the connection strength can be further improved. The connecting part 2 comprises a plurality of sealing connectors 21 and a reinforcing connecting plate 22; the sealing connector 21 is in a hollow round tube shape; the sealing connector 21 comprises sealing connecting parts 211 at two ends and a connecting communication part 212 in the middle; the outer ring of the two-end sealing connecting part 211 is provided with matching threads 211 in opposite directions; the matching thread 211 is matched with the connecting thread for locking connection, so that the two left and right adjacent round pipe parts 31 can be conveniently communicated, and better connection strength is provided. The connecting and communicating part 212 is connected and communicated with the round pipe parts 31 on two adjacent sides, and the connecting and communicating part 212 is the same as the round pipe parts 31 in diameter, so that better connection is facilitated. The middle of each connecting and communicating part 212 is provided with a communicating interface 213 for resource transmission, and the corresponding communicating interface 213 is convenient for leading out the corresponding water pipe, electric wire and optical fiber to be connected to the corresponding joint on the control box 221, so that the emergency water supply, the emergency power supply and the emergency communication can be realized by operating on the control box 221. The reinforcing connecting plate 22 is fixedly connected between the middle parts of two adjacent guardrail plates 3. The two ends of the sealing connection part 211 are also sleeved with sealing rings 214, and the sealing rings 214 play a sealing role. The diameter of the sealing ring 214 is matched with that of the connecting communication part 212, so that connection is facilitated better. The water source can be further prevented from flowing out and air from entering through the sealing ring 214, so that the oxidation of the water pipe, the electric wire and the optical fiber can be prevented, and the service life of the water pipe, the electric wire and the optical fiber can be prolonged.

As shown in fig. 4, each reinforcing connecting plate 22 is provided with a control box 221, and the control box 221 is internally provided with a water supply connector 222 for fire fighting, a charging socket 223 for charging an automobile or a battery car, and a wireless signal transmitter-receiver 224 for wireless signal transmission; the water supply connector 222, the car charging plug 223 and the wireless signal transmitter-receiver 224 are respectively connected to the corresponding communication interfaces 213.

Connect out the raceway in the round tube portion 31 with water resource transmission through the intercommunication interface 213 that corresponds to be connected to water supply joint 222, when being convenient for when the conflagration breaks out on the highway, through fire hose connection water supply joint 222, can emergent water supply, need not wait again to extinguish a fire the motorcade and put out a fire after arriving the scene, directly can put out a fire, if there is the greenbelt on highway both sides, also can water the greenbelt.

The electric wire in the round tube part 31 for power transmission is connected out through the corresponding communication interface 213 and is connected to the charging socket 223, so that after popularization of the electric automobile, the electric automobile can be charged in an emergency when driving on a highway and is out of power or is out of power, and the electric automobile can be charged in an emergency on a rural highway to provide convenience for emergency power supply.

The optical fibers in the round tube part 31 for communication transmission are connected out through the corresponding communication interfaces 213 and are connected with the wireless signal transmitting and receiving device 224, the wireless signal transmitting and receiving device 224 can be a wireless sensor, a micro base station, a pico base station or a femto base station, wireless signals are transmitted through the wireless signal transmitting and receiving device 224, more accurate signals can be provided for an unmanned automobile in the unmanned process in the future, and the accuracy, the stability and the effectiveness of signal transmission are improved.

The lower part of the reinforcing connecting plate 22 is fixedly connected with the top of the guardrail plate supporting upright, and the strong impact on the front and the side can be effectively blocked by deeply burying and reinforcing the fixing point at the bottom of the guardrail plate supporting upright.

As shown in fig. 1 and fig. 2, the anti-collision module 4 includes a plurality of anti-collision wheel sets, each of which includes an anti-collision rotating shaft 41, an anti-collision wheel 42 and a U-shaped limiting plate 421; the upper end of the anti-collision rotating shaft 41 is fixedly connected with the front side of the upper adjacent round pipe part 31; the lower extreme of anticollision pivot 41 and the front side fixed connection of the adjacent pipe portion 31 in below, anticollision wheel 42 pass through the bearing housing and establish the middle part at anticollision pivot 41, and anticollision wheel 42 is small-size cask form, promotes better rotatory effect to and promote area of contact, be convenient for after the bumping better with the orbit of traveling of car return to former route and travel. Two open ends 422 of the U-shaped spacing piece 421 are respectively located at the top and the bottom of the anti-collision wheel 42; the closed section 423 of the U-shaped limiting piece 421 is fixedly connected with the connecting portion 32 in a welding manner, and the anti-collision wheel 42 is conveniently and better fixed in the middle of the anti-collision rotating shaft 41 through the U-shaped limiting piece 421. Can hit to guardrail board 3 when the car through crashproof wheelset, make the car and crashproof wheel 42 take place the contact, change the strength of striking into rotatory kinetic energy, absorption striking dynamics that can be great reduces the impact simultaneously, thereby provide the power that goes to former direction for the car through crashproof wheel 42 is rotatory, go along guardrail board 3's continuation direction with the car, be convenient for make the orbit of going of car return to former route and go, prevent that the car from beating to turn, the upset or prevent that the car is straight to hit guardrail board 3, hit askew or hit absolutely and dash out the guardrail with guardrail board 3, increase personnel's in the car life safety's danger, also promoted the cost of later stage restoration guardrail board 3 greatly.

The inside non-Newtonian nature liquid of passing through of crashproof wheel 42 is made, and the outside of crashproof wheel 42 is made through soft plastic material, and soft plastic is the combined material of EVA and polyurethane, and this kind of material has elasticity, crashproof wear-resisting to by very strong restoring force, by being crashed when can avoiding crashproof wheel 42 to receive the impact. Through crashproof wheel 42 from original stereoplasm structure change soft structure into, provide a better buffering when can giving the car bump to reduce the car and the hard collision between the guardrail board 3, promote the buffering dynamics, prevent that the car from rushing out guardrail board 3 or making a round, better protection car and guardrail board 3, more importantly has protected personnel's in the car life safety.

Example 2

As shown in fig. 5 and 6, the embodiment 2 is the same as the embodiment 1 except that the crash module 4 is different in structure, and the other structures and the use modes are the same.

The anti-collision module 4 in this embodiment includes an anti-collision belt 43 and two fixing buckles 431, the upper end of each fixing buckle 431 is fixedly connected with the upper round pipe part 31, and the lower end of each fixing buckle 431 is fixedly connected with the lower round pipe part 31; the crash belt 43 is fixed at the front side of the connecting portion 32 by two fixing buttons 431, and the connecting strength and firmness of the crash belt 43 are further improved by the two fixing buttons 431. The crash belt 43 includes an outer cylindrical shell and an inner filler; the outer cover is made of plastic, the plastic is a composite material of EVA and polyurethane, the material has elasticity and is anti-collision and wear-resistant, and the anti-collision wheel 42 can be prevented from being damaged by collision when being impacted due to strong restoring force. Can prevent that car and ordinary metal guardrail board from taking place hard collision the same, through the soft structure relatively of plastics, further provide buffering effect, better protection car and guardrail board 3. The filler is filled with one of a gas, a liquid and a soft solid. The gas is filled with nitrogen, the liquid is filled with water or a non-newtonian fluid liquid, and the soft solid is filled with a soft synthetic rubber. Through setting up the anticollision area 43 and being increase the packing in the anticollision area 43, can further provide the buffering for the car, prevent that the car from beating to change or dashing out guardrail board 3, further guaranteed personnel's in the car safety.

Example 3

As shown in fig. 7, example 3 is the same as example 1 in structure and use except that the number of the circular tube parts 31 is different.

In this embodiment, three circular tube parts 31 are provided, and the circular tube part 31 positioned at the top is used for placing optical fibers for communication transmission; a round tube part 31 in the middle for placing an electric wire for power transmission; the round pipe part 31 at the bottom is used for placing a water conveying pipe for hydraulic conveying. The position of electric wire and optic fibre can be exchanged, and the water pipe is located the bottom and prevents that the water pipe from leaking and causing the influence to other two pipelines. Two adjacent upper and lower round pipe portions 31 are provided with the collision avoidance module 4. Analogize in proper order, can increase in proper order according to the quantity of actual demand round tube portion 31 and the quantity of anticollision module 4, the actual conditions that the better adaptation of being convenient for corresponds the highway.

Claims

1. A multifunctional highway guardrail structure is characterized by comprising a plurality of guardrail plate components (1) which are transversely connected end to end; any two adjacent guardrail plate assemblies (1) are connected through a transverse connecting component (2); each guardrail plate component (1) comprises a guardrail plate (3) and an anti-collision module (4); the guardrail plate (3) comprises a plurality of round pipe parts (31) for resource transmission; any two adjacent round pipe parts (31) are connected through a longitudinal connecting part (32); the anti-collision module (4) is arranged between every two adjacent round pipe parts (31).

2. The multi-functional road guardrail structure of claim 1, wherein the inner rings of the two ends of the round pipe part (31) are provided with connecting threads in opposite directions; the connecting part (2) comprises a plurality of sealing connectors (21) and a reinforcing connecting plate (22); the sealing connector (21) is in a hollow round tube shape; the sealing connector (21) comprises sealing connecting parts (211) at two ends and a connecting and communicating part (212) in the middle; the outer ring of the sealing connecting part (211) at the two ends is provided with matching threads (211) in opposite directions; the matching screw thread (211) is matched and locked with the connecting screw thread; the connecting and communicating part (212) is connected and communicated with the round pipe parts (31) at two adjacent sides; the reinforcing connecting plate (22) is fixedly connected between two adjacent guardrail plates (3).

3. The multifunctional road guardrail structure of claim 2, wherein the connecting connection part (212) is provided with a connection interface (213) for resource transmission in the middle.

4. The multifunctional road guardrail structure as claimed in claim 2, wherein the sealing connection parts (211) at both ends are further sleeved with sealing rings (214), and the diameters of the sealing rings (214) are matched with the diameters of the connecting communication parts (212).

5. The multifunctional highway guardrail structure according to claim 4, wherein each reinforcing connecting plate (22) is provided with a control box (221), and a water supply connector (222) for fire fighting and fire extinguishing, a charging socket (223) for automobile charging and a wireless signal transmitting and receiving device (224) for wireless signal transmission are respectively arranged in each control box (221); the water supply connector (222), the automobile charging plug (223) and the communication connector (224) are respectively connected with the corresponding communication interface (213).

6. The multifunctional road guardrail structure of claim 1, wherein the anti-collision module (4) comprises a plurality of anti-collision wheel sets, each anti-collision wheel set comprises an anti-collision rotating shaft (41), an anti-collision wheel (42) and a U-shaped limiting sheet (421); the upper end of the anti-collision rotating shaft (41) is fixedly connected with the front side of the round pipe part (31) adjacent to the upper part; the lower end of the anti-collision rotating shaft (41) is fixedly connected with the front side of the round pipe part (31) adjacent to the lower side of the anti-collision rotating shaft, the anti-collision wheel (42) is sleeved in the middle of the anti-collision rotating shaft (41) through a bearing, the interior of the anti-collision wheel (42) is made of non-Newtonian liquid, and the exterior of the anti-collision wheel (42) is made of soft plastic materials; two open ends (422) of the U-shaped limiting sheet (421) are respectively positioned at the top and the bottom of the anti-collision wheel (42); the closed section (423) of the U-shaped limiting sheet (421) is fixedly connected with the connecting part (32).

7. The multifunctional road guardrail structure of claim 1, wherein the anti-collision module (4) comprises an anti-collision belt (43) and a plurality of fixing buckles (431), the upper end of each fixing buckle (431) is fixedly connected with the upper round pipe part (31), and the lower end of each fixing buckle (431) is fixedly connected with the lower round pipe part (31); the anti-collision belt (43) is fixed on the front side of the connecting part (32) through a plurality of fixing buckles (431), and the anti-collision belt (43) comprises an outer cover and filling materials; the outer cover is made of plastic, and the filling material is filled with one of gas, liquid and soft solid.

8. The multi-functional road guardrail structure of claim 1, wherein the number of the round tube parts (31) is two, and the round tube part (31) at the upper part is used for placing electric wires for power transmission or optical fibers for communication transmission; the round pipe part (31) positioned at the lower part is used for placing a water conveying pipe for hydraulic conveying.

9. A multi-functional road guardrail structure as claimed in claim 1, wherein the number of the round tube parts (31) is three, and the round tube part (31) at the top is used for placing optical fibers for communication transmission; the round pipe part (31) positioned in the middle is used for placing electric wires for power transmission; the round pipe part (31) at the bottom is used for placing a water conveying pipe for hydraulic conveying.

10. The structure of a multifunctional road guardrail according to claim 1, wherein the guardrail plate (3) is integrally formed by casting, and the connecting part (32) has a double-layer structure and is wavy in the middle.