CN115263348A

CN115263348A - Highway tunnel structure and construction process

Info

Publication number: CN115263348A
Application number: CN202210845113.6A
Authority: CN
Inventors: 王洋; 于占龙; 张继新
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-01

Abstract

The invention discloses a highway tunnel structure and a construction process, and relates to the technical field of tunnel construction. According to the invention, through the mutual matching of the structures, the air circulation speed in the tunnel body is greatly improved, the dust and tail gas caused by the running of automobiles in the tunnel can be effectively removed, the running safety of the automobiles is ensured, the diffusion speed of smoke on the upper layer of the tunnel is reduced when a fire disaster occurs, the evacuation of personnel is facilitated, and the effect of cooling and maintaining the pavement by using the seepage water of the tunnel is achieved.

Description

Highway tunnel structure and construction process

Technical Field

The invention relates to the technical field of tunnel construction, in particular to a highway tunnel structure and a construction process.

Background

The highway tunnel is generally composed of a tunnel body, a lining and a tunnel door, is a channel built underground for driving automobiles, and is also generally used as a pipeline, a pedestrian and other channels.

Because the air circulation in traditional highway tunnel is not smooth, the dust easily rises after the coming and going vehicle drives, and hybrid vehicle tail gas is difficult to discharge the tunnel fast, leads to the impaired of navigating mate sight, has caused certain potential safety hazard, needs to improve.

Disclosure of Invention

The invention aims to provide a highway tunnel structure and a construction process, which have the advantages that the air circulation speed in the tunnel is improved, the dust and tail gas caused by the driving of automobiles in the tunnel can be effectively removed, the driving safety of the automobiles is ensured, the diffusion speed of smoke on the upper layer of the tunnel is reduced when a fire disaster occurs, the evacuation of personnel is facilitated, and the effect of cooling and maintaining the pavement by using the seepage water in the tunnel is utilized, so that the problems in the background technology are solved.

In order to achieve the purpose, the invention provides the following technical scheme: the highway tunnel structure comprises a tunnel body, wherein an air duct penetrates through the surface of the tunnel body, a plurality of filter screens are fixedly mounted on the inner wall of the air duct, the surface of any filter screen is fixedly connected with a power rotating shaft in a rotating mode in a dead axle mode, and an exhaust fan blade is fixedly sleeved on the surface of the power rotating shaft in a fixing mode;

the inner wall fixed mounting of tunnel body has the antifouling board that blocks that falls the stone in the tunnel body, the top of antifouling board that blocks water sets up to the arch, the both sides of antifouling board that blocks water all are provided with the aqua storage tank, the both ends of aqua storage tank all are provided with the gate, still include right antifouling board top is piled up silt and is carried out the blowdown part of clearing up, antifouling board that blocks water runs through on the surface and is provided with a plurality of openings, antifouling board that blocks water passes through a plurality of tuber pipes of opening fixedly connected with, and is a plurality of the tuber pipe all with the ventiduct is linked together.

Optionally, the blowdown part includes changes the board, the tip of commentaries on classics the board with the fixed surface of power pivot is connected, it keeps away from to change the board the one end of power pivot articulates there is articulated slab one, the bottom of articulated slab one articulates there is vertical movable plate, the both sides of vertical movable plate all articulate there is articulated slab two, the tip of articulated slab two articulates there is the link joint, the link joint comprises a plurality of end to end articulated plate body, the fixed surface of link joint is connected with a plurality of cleaning rollers, the surface of cleaning roller is followed the surperficial slip of antifouling water-blocking board.

Optionally, still include when the fire breaks out in the tunnel body, divide into a plurality of cigarette storage chambers with tunnel body upper strata to a plurality of cutout parts that carry out the separation to upper strata scorching hot flue gas.

Optionally, the cutoff component includes a torque motor and a smoke sensor, the smoke sensor is mounted at the top of the inner wall of the antifouling water blocking plate, the torque motor is fixedly mounted on the inner wall of the tunnel body, a shaft body is fixedly connected to the surface of an output shaft of the torque motor, a blocking plate is fixedly sleeved on the surface of the shaft body, the blocking plate is fan-shaped, and the blocking plate is made of a fireproof material.

Optionally, the maintenance assembly is used for automatically maintaining the pavement of the tunnel body, and the pavement of the tunnel body is prevented from cracking due to overhigh temperature through the maintenance assembly.

Optionally, the maintenance part includes fixed connection and is in the mounting panel on antifouling water-blocking plate surface, the spacing groove has been seted up on the surface of mounting panel, the inner wall slip of spacing groove has lateral shifting board one, install electric putter on the spacing groove, the surface of electric putter pars contractilis with the fixed surface of lateral shifting board one is connected, the fixed surface of lateral shifting board one is connected with lateral shifting board two, lateral shifting board one with the surface of lateral shifting board two all articulates there is the limiting plate, two the limiting plate is parallel arrangement, two the tip of limiting plate articulates jointly has the pipe that absorbs water, the surface of antifouling water-blocking board articulates there is the swing board, the tip of swing board with the surface of limiting plate is articulated, the top fixedly connected with box of antifouling water-blocking board, the hose is installed jointly on the surface of box and the pipe that absorbs water, the surface of vertical movable plate is followed the inner wall slip of box, the bottom fixedly connected with piston of vertical movable plate, the surface of piston with the inner wall sealing sliding connection of box, the box with the inner wall of hose all is provided with one-way check valve, the atomizer is installed to the bottom of box.

Optionally, a plurality of drain holes are formed in two sides of the bottom end of the antifouling water blocking plate, and the antifouling water blocking plate is made of fire-proof materials.

Optionally, the surface of the mounting plate is provided with a spring button, and the surface of the tunnel body is fixedly provided with a voice prompt.

The invention provides a construction process of a highway tunnel structure, which comprises the following steps:

excavating a tunnel body and a ventilation channel, then welding and installing an antifouling water-blocking plate and a water storage tank, and installing exhaust fan blades;

excavating water channels at outlets on two sides of the tunnel body, and communicating the front part and the rear part with water outlet grooves;

and (3) paving a concrete pavement at the bottom of the tunnel body, so that the height of the pavement is higher than the horizontal height of the water storage tank.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention discharges the air in the air duct to the outside of the tunnel body through the high-speed rotation of the exhaust fan blade, after the pressure in the air duct is reduced, the air in the tunnel body is sucked into the air duct through the plurality of air pipes and is discharged outwards, and fresh air flows into the tunnel body from the outlets at two sides of the tunnel body to be supplemented and circulated, thereby greatly improving the air circulation speed in the tunnel body, effectively accelerating the removal of dust and tail gas caused by the driving of automobiles in the tunnel, ensuring the driving safety of the automobiles, and when water seepage occurs on the inner wall of the tunnel body, water flow can fall on the anti-fouling water blocking plate and then converge into the water storage grooves at two sides for storage, and when the water storage capacity of the water storage grooves reaches the maximum value, the redundant water volume can be discharged outwards through the gates arranged in the water storage grooves.

2. According to the invention, through the transmission coordination of the vertical moving plate and the power rotating shaft and other structures, the vertical moving plate vertically slides back and forth along the inner wall of the box body, and then under the transmission of the two hinged plates, the two side chain plates are attached to the surface of the antifouling water blocking plate to slide back and forth, so that the plurality of cleaning rollers are driven to slide back and forth along the surface of the antifouling water blocking plate, silt accumulated on the surface of the antifouling water blocking plate is pushed down to two sides, and the silt accumulated on the surface of the antifouling water blocking plate is cleaned, so that the influence of the accumulated silt on the ventilation of the tunnel body is avoided, and the bearing pressure of the antifouling water blocking plate is relieved.

3. According to the invention, under the transmission cooperation of the vertical moving plate and the piston and other structures, when the pavement of the tunnel body needs to be maintained, the water suction pipe moves downwards to be inserted into the water storage tank, the piston vertically reciprocates along the inner wall of the box body, and by matching with the two one-way valves, water stored in the water storage tank can be sucked into the box body through the water suction pipe and the hose and is sprayed out of the pavement of the tunnel body through the atomizing nozzle, and the pavement is cooled and maintained by utilizing seepage water of the tunnel.

4. According to the invention, leaked fuel oil is discharged into the water storage tank through the drain hole to be combusted, so that the fire spread is prevented, and the antifouling water-blocking plate is made of fireproof materials, so that the fire can be effectively isolated.

5. According to the invention, through the matching of the blocking plate and the air pipe, when a traffic accident occurs in the tunnel body to cause a fire disaster, the blocking plate rotates, so that the upper side area of the antifouling water blocking plate is blocked, the upper layer flue gas is isolated in a partial area in the tunnel, the diffusion speed of the upper layer flue gas is greatly reduced, personnel can be conveniently evacuated, meanwhile, the air pipe continuously sucks air, the flue gas in the isolation area can be rapidly discharged, the suffocation risk of the personnel is reduced, and the safety is greatly improved.

Drawings

FIG. 1 is an isometric view of a structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the tunnel body according to the present invention;

FIG. 3 is a schematic view of a soil exhaust component of the present invention;

FIG. 4 is a schematic view of a curing component of the present invention;

FIG. 5 is an internal view of the case structure of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 3A according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

FIG. 8 is a construction flow chart of the present invention.

In the figure: 1. a tunnel body; 2. an air duct; 3. filtering with a screen; 4. a power rotating shaft; 5. a fan blade discharge fan; 6. an antifouling water-blocking plate; 7. a water storage tank; 8. an air duct; 9. rotating the plate; 10. a first hinge plate; 11. vertically moving the plate; 12. a second hinge plate; 13. a chain plate; 14. cleaning the roller; 15. a torque motor; 16. a shaft body; 17. a barrier plate; 18. mounting a plate; 19. a limiting groove; 20. moving the first plate transversely; 21. a second transverse moving plate; 22. a limiting plate; 23. a suction pipe; 24. a swing plate; 25. a box body; 26. a hose; 27. a piston; 28. a drain hole; 29. a smoke sensor; 30. a spring button; 31. a voice prompter; 32. an atomizing spray head; 33. an electric push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a highway tunnel structure, including a tunnel body 1, a ventilation duct 2 is arranged on the surface of the tunnel body 1, a plurality of filter screens 3 are fixedly installed on the inner wall of the ventilation duct 2, the surface of any filter screen 3 is connected with a power rotating shaft 4 in a fixed-axis rotating manner, the power rotating shaft 4 can be driven by a rotating driving component such as a motor, and an exhaust fan blade 5 is fixedly sleeved on the surface of the power rotating shaft 4.

An antifouling water-blocking plate 6 for blocking falling rocks in the tunnel body 1 is fixedly installed on the inner wall of the tunnel body 1, the top of the antifouling water-blocking plate 6 is arched, water storage tanks 7 are arranged on two sides of the antifouling water-blocking plate 6, gates are arranged at two ends of each water storage tank 7, and the antifouling water-blocking plate further comprises a pollution discharge part for cleaning silt accumulated on the top of the antifouling water-blocking plate 6, a plurality of openings are formed in the surface of the antifouling water-blocking plate 6 in a penetrating manner, a plurality of air pipes 8 are fixedly connected to the antifouling water-blocking plate 6 through the openings, the air pipes 8 are communicated with the air duct 2, the exhaust fan blades 5 are rotated through rotation of the power rotating shaft 4, the air in the air duct 2 is discharged out of the tunnel body 1 through high-speed rotation of the exhaust fan blades 5, after the pressure in the air duct 2 is reduced, the air in the tunnel body 1 is sucked into the air duct 2 through the air pipes 8 and discharged out, and fresh air flows into the tunnel body 1 from outlets on two sides of the tunnel body 1 to complete circulation, so that the air circulation in the tunnel body 1 is greatly improved, the speed of tail gas in the tunnel, and the automobile can be cleaned, and the automobile can be driven safely;

and when the infiltration takes place for 1 inner wall of tunnel body, the rivers can fall and converge into the aqua storage tank 7 of both sides behind antifouling water-blocking plate 6 and save, avoid road ponding, and after the water storage capacity of aqua storage tank 7 reached the maximum value, unnecessary water can be outwards discharged by the gate that sets up in the aqua storage tank 7, clears up the accumulational silt in antifouling water-blocking plate 6 surface through blowdown part simultaneously.

Further, in order to avoid the accumulated silt to influence the ventilation of the tunnel body 1 and to alleviate the bearing pressure of the antifouling water-blocking plate 6, in the embodiment: the pollution discharge component comprises a rotating plate 9, the end part of the rotating plate 9 is fixedly connected with the surface of the power rotating shaft 4, one end, far away from the power rotating shaft 4, of the rotating plate 9 is hinged with a hinged plate I10, the bottom end of the hinged plate I10 is hinged with a vertical moving plate 11, two sides of the vertical moving plate 11 are hinged with hinged plate II 12, the end part of the hinged plate II 12 is hinged with a chain plate 13, the chain plate 13 is composed of a plurality of plate bodies hinged end to end, the surface of the chain plate 13 is fixedly connected with a plurality of cleaning rollers 14, and the surface of the cleaning rollers 14 slides along the surface of the antifouling water blocking plate 6.

More specifically, rotation process through power pivot 4 can make in this embodiment to change board 9 and continuously rotate, and then make vertical movable plate 11 carry out vertical reciprocating sliding along the inner wall of box 25, thereby under the transmission of two articulated slab two 12, the antifouling board 6 surfaces of hindering water of both sides link joint 12 laminating slide back and forth, it reciprocates along antifouling 6 surfaces of hindering water board to drive a plurality of cleaning rollers 14, push away the accumulational silt in antifouling 6 surfaces of hindering water board to both sides, clear away the accumulational silt in antifouling board 6 surfaces of hindering water, reached and avoided accumulational silt to influence the ventilation of tunnel body 1, and alleviate the effect of the bearing pressure of antifouling board 6 that hinders water.

Further, in order to prevent people in the tunnel from suffocating when a car accident occurs in the tunnel body 1 to cause a fire, in the embodiment: still include when the conflagration breaks out in tunnel body 1, divide into a plurality of storage smoke chambers with 1 upper strata of tunnel body, thereby carry out a plurality of cutout parts of separation to the upper strata scorching heat flue gas, cutout part includes torque motor 15 and smoke sensor 29, smoke sensor 29 installs the top at 6 inner walls of antifouling water-blocking board, 15 fixed mounting of torque motor are at tunnel body 1's inner wall, the fixed surface of 15 output shafts of torque motor is connected with the axis body 16, the fixed surface of axis body 16 has cup jointed baffler 17, baffler 17 is fan-shaped, baffler 17 adopts fire-proof material.

More specifically, when taking place the car accident and arouse the conflagration in this embodiment in tunnel body 1, smoke sensor 29 triggers start torque motor 15, torque motor 15 output shaft rotates and makes baffler 17 rotate, and then cut off antifouling water-blocking plate 6's upside region, make the upper flue gas keep apart the subregion in the tunnel, and then greatly reduced the speed of spreading of upper flue gas, make things convenient for personnel to withdraw, meanwhile, tuber pipe 8 continuously induced drafts, can carry out quick discharge with the flue gas in the isolation region territory, the personnel that reduce suffocate the risk, the security has been improved greatly.

Further, in order to automatically maintain the road surface, in the embodiment: the maintenance component is used for preventing the pavement of the tunnel body 1 from cracking due to overhigh temperature, the maintenance component comprises a mounting plate 18 fixedly connected to the surface of the antifouling water-blocking plate 6, a limiting groove 19 is formed in the surface of the mounting plate 18, a first transverse moving plate 20 slides on the inner wall of the limiting groove 19, an electric push rod 33 is mounted on the limiting groove 19, the surface of the telescopic part of the electric push rod 33 is fixedly connected with the surface of the first transverse moving plate 20, the surface of the first transverse moving plate 20 is fixedly connected with a second transverse moving plate 21, the surfaces of the first transverse moving plate 20 and the second transverse moving plate 21 are hinged with a limiting plate 22, the two limiting plates 22 are arranged in parallel, the end parts of the two limiting plates 22 are hinged with a water suction pipe 23, the surface of the antifouling water-blocking plate 6 is hinged with a swing plate 24, the end part of the swing plate 24 is hinged with the surface of the limiting plate 22, the top of the antifouling water-blocking plate 6 is fixedly connected with a box 25, the box 25 is mounted on the surfaces of the box 25 and the water suction pipe 23, the surface of the vertical moving plate 11 slides along the inner wall of the box 25, a one-way movable plate 11 is connected with a piston 27, only a one-way spray nozzle of a one-way spray nozzle is arranged at the inner wall of the box 25, and only arranged at the position of the one-way spray nozzle of the box 26, and the one-way spray nozzle 32 arranged in the box 26, and the one-way spray nozzle of the box 25, and the one-way spray nozzle.

More specifically, in this embodiment, when the pavement needs to be maintained, by starting the electric push rod 33, the telescopic portion of the electric push rod 33 is retracted to enable the first lateral moving plate 20 and the second lateral moving plate 21 to move towards the direction close to the electric push rod 33, so that under the limit of the swing plate 24, the two limiting plates 22 rotate counterclockwise as shown in fig. 2, so that the water suction pipe 23 moves downward and is inserted into the water storage tank 7, and through the process of vertical reciprocating sliding of the vertical moving plate 11 along the inner wall of the box 25, the piston 27 vertically reciprocates along the inner wall of the box 25, and cooperates with the two one-way valves, so that water stored in the water storage tank 7 can be sucked into the box 25 through the water suction pipe 23 and the hose 26, and then is sprayed out to the pavement of the tunnel body 1 through the atomizing nozzle 32, and the tunnel water seepage water is used for maintaining the pavement, after the pavement is maintained, the telescopic portion of the electric push rod 33 extends out along with the road, and the water suction pipe 23 moves upward and is away from the water source, and the atomizing nozzle 32 stops spraying water immediately, thereby completing the pavement operation.

Further, in order to slow down the fire spreading in the tunnel when a fire breaks out, in the embodiment: a plurality of drain holes 28 are arranged on two sides of the bottom end of the antifouling water-blocking plate 6, and the antifouling water-blocking plate 6 is made of fire-proof materials.

More specifically, if the accident of tank wagon fire leakage occurs in this embodiment, the driver can burn the leaked fuel into the water storage tank 7 through the drain hole 28, so as to prevent the fire from spreading, and the antifouling water-blocking plate 6 is made of fireproof material, so that the fire can be effectively isolated.

Further, in order to remind the vehicles coming and going to pay attention to safety during road maintenance, in the embodiment: the surface of the mounting plate 18 is provided with a spring button 30, and the surface of the tunnel body 1 is fixedly provided with a voice prompter 31.

More specifically, in the present embodiment, the second traverse plate 21 moves toward the electric push rod 33 and then abuts against the spring button 30, so as to activate the voice prompt 31 to give a prompt sound to prompt the coming and going vehicle to perform road maintenance in the tunnel body 1, pay attention to the opening of the wiper, and slow down.

The working principle is as follows: when the highway tunnel structure is used, the rotation of the power rotating shaft 4 drives the exhaust fan blades 5 to rotate, the exhaust fan blades 5 rotate at a high speed to discharge air in the ventilating duct 2 to the outside of the tunnel body 1, after the pressure in the ventilating duct 2 is reduced, the air in the tunnel body 1 is sucked into the ventilating duct 2 through the air pipes 8 and is discharged to the outside, fresh air flows into the tunnel body 1 from outlets on two sides of the tunnel body 1 to supplement and complete circulation, the air circulation speed in the tunnel body 1 is greatly improved, dust and tail gas brought by automobile running in the tunnel can be effectively accelerated and eliminated, the running safety of a vehicle is ensured, when water seepage occurs on the inner wall of the tunnel body 1, water flow can fall into the water storage grooves 7 on two sides of the anti-fouling water blocking plate 6 and then is stored, and when the water storage capacity of the water storage grooves 7 reaches the maximum value, excessive water can be discharged to the outside through the gates arranged in the water storage grooves 7.

Rotation process through above-mentioned power pivot 4 can drive and change board 9 and continue to rotate, make vertical movable plate 11 carry out vertical reciprocating sliding along the inner wall of box 25 under the transmission of articulated slab one 10, and then under the transmission of two articulated slab two 12, the antifouling board 6 surfaces of hindering water of both sides link joint 12 laminating slide back and forth, thereby it reciprocates to slide along antifouling 6 surfaces of hindering water board to drive a plurality of rollers that clean 14, push away the accumulational silt in antifouling 6 surfaces of hindering water board to both sides, 6 accumulational silt in antifouling board of hindering water is cleared up, thereby avoid accumulational silt to influence tunnel body 1's ventilation, and alleviate antifouling board 6 bearing pressure that hinders water.

When the pavement of the tunnel body 1 needs to be maintained, only the electric push rod 33 needs to be started, the telescopic portion of the electric push rod 33 is retracted to drive the first transverse moving plate 20 and the second transverse moving plate 21 to move towards the direction close to the electric push rod 33, and then under the limit of the swing plate 24, the two limit plates 22 rotate anticlockwise in the direction shown in fig. 2, so that the water suction pipe 23 moves downwards and is inserted into the water storage tank 7, the vertical moving plate 11 performs a vertical reciprocating sliding process along the inner wall of the box 25, so that the piston 27 performs a vertical reciprocating movement along the inner wall of the box 25, the two one-way valves are matched to store water, water in the water storage tank 7 can be sucked into the box 25 through the water suction pipe 23 and the hose 26 and is sprayed out of the pavement of the tunnel body 1 through the atomizing spray head 32, the pavement of the tunnel is cooled and maintained by utilizing the water seepage moving plate of the tunnel, meanwhile, after the second transverse moving towards the direction close to the electric push rod 33, the spring button 30 is abutted to start the voice prompter 31 to send out a maintenance sound, so as to remind a vehicle that the vehicle to move towards the interior of the tunnel body 1, the windscreen wiper is opened, the road is decelerated, and the electric push rod 33 extends out, and the water suction pipe 23 can stop moving, and the atomizing spray head 32 can move away from the road.

When a car accident happens and a fire disaster is caused in the tunnel body 1, the smoke sensor 29 senses smoke and then starts the torque motor 15, the output shaft of the torque motor 15 rotates to drive the blocking plate 17 to rotate, so that the upper side area of the antifouling water blocking plate 6 is blocked, the upper layer smoke is isolated in the partial area in the tunnel, the diffusion speed of the upper layer smoke is greatly reduced, convenience is brought to people to evacuate, meanwhile, the air pipe 8 continuously sucks air, the smoke in the isolation area can be rapidly discharged, the suffocation risk of people is reduced, the safety is greatly improved, if a fire accident of the oil tank truck occurs, a driver can discharge the leaked fuel into the water storage tank 7 through the water drainage hole 28 to burn, the fire disaster is prevented from spreading, the antifouling water blocking plate 6 is made of fireproof materials, and the fire disaster can be effectively isolated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Highway tunnel structure, including tunnel body (1), its characterized in that: the tunnel is characterized in that a ventilation channel (2) penetrates through the surface of the tunnel body (1), a plurality of filter screens (3) are fixedly mounted on the inner wall of the ventilation channel (2), the surface of any one of the filter screens (3) is fixedly connected with a power rotating shaft (4) in a rotating mode, and a fan exhaust blade (5) is fixedly sleeved on the surface of the power rotating shaft (4);

the inner wall fixed mounting of tunnel body (1) has antifouling board (6) that blocks the interior stone that falls of tunnel body (1), the top of antifouling board (6) that blocks sets up to the arch, the both sides of antifouling board (6) that blocks water all are provided with aqua storage tank (7), the both ends of aqua storage tank (7) all are provided with the gate, still include right antifouling board (6) top is piled up silt and is carried out the blowdown part of clearing up, the surface of antifouling board (6) that blocks water runs through and is provided with a plurality of openings, antifouling board (6) that blocks water is through a plurality of tuber pipes (8) of opening fixedly connected with, and is a plurality of tuber pipe (8) all with airway (2) are linked together.

2. The road tunnel structure of claim 1, wherein: the blowdown part is including changeing board (9), the tip of changeing board (9) with the fixed surface of power pivot (4) is connected, change board (9) and keep away from the one end of power pivot (4) articulates there is articulated slab one (10), the bottom of articulated slab one (10) articulates there is vertical movable plate (11), the both sides of vertical movable plate (11) all articulate there is articulated slab two (12), the tip of articulated slab two (12) articulates there is link joint (13), link joint (13) comprise a plurality of end to end articulated plate body, the fixed surface of link joint (13) is connected with a plurality of cleaning rollers (14), the surface of cleaning roller (14) is followed the surperficial slip of antifouling board (6) that hinders water.

3. The road tunnel structure of claim 1, wherein: still include when taking place the conflagration in tunnel body (1), cut apart tunnel body (1) upper strata into a plurality of cigarette storage chambers to a plurality of cutout parts that carry out the separation to upper strata scorching heat flue gas.

4. The road tunnel structure of claim 3, wherein: the cutoff component comprises a torsion motor (15) and a smoke sensor (29), the smoke sensor (29) is installed at the top of the inner wall of the antifouling water blocking plate (6), the torsion motor (15) is fixedly installed on the inner wall of the tunnel body (1), the surface of an output shaft of the torsion motor (15) is fixedly connected with a shaft body (16), a blocking plate (17) is fixedly sleeved on the surface of the shaft body (16), the blocking plate (17) is fan-shaped, and the blocking plate (17) is made of fireproof materials.

5. The road tunnel structure of claim 2, wherein: the maintenance assembly is used for automatically maintaining the pavement of the tunnel body (1), and the pavement of the tunnel body (1) is prevented from cracking due to overhigh temperature through the maintenance assembly.

6. The road tunnel structure of claim 5, wherein: the maintenance part comprises a mounting plate (18) fixedly connected to the surface of the antifouling water-blocking plate (6), a limiting groove (19) is formed in the surface of the mounting plate (18), a first transverse moving plate (20) slides on the inner wall of the limiting groove (19), an electric push rod (33) is installed on the limiting groove (19), the surface of a telescopic part of the electric push rod (33) is fixedly connected with the surface of the first transverse moving plate (20), a second transverse moving plate (21) is fixedly connected to the surface of the first transverse moving plate (20), the first transverse moving plate (20) is hinged to the surface of the second transverse moving plate (21) to form a limiting plate (22) and two limiting plates (22) are arranged in parallel, the end parts of the limiting plates (22) are hinged to a water suction pipe (23) together, a swinging plate (24) is hinged to the surface of the antifouling water-blocking plate (6), the end part of the swinging plate (24) is hinged to the surface of the limiting plate (22), a box body (25) is fixedly connected to the surface of the water suction pipe (23) and a fixed moving plate (26) is installed to the surface of the box body (11) together, and a vertical sliding piston (11) is connected to a bottom end of the box (27) along the movable plate (11), the surface of piston (27) with the sealed sliding connection of inner wall of box (25), box (25) with the inner wall of hose (26) all is provided with check valve, atomizer (32) are installed to the bottom of box (25).

7. The road tunnel structure according to claim 1 or 2, wherein: a plurality of drain holes (28) are formed in two sides of the bottom end of the antifouling water-blocking plate (6), and the antifouling water-blocking plate (6) is made of fire-proof materials.

8. The road tunnel structure of claim 6, wherein: the surface mounting of mounting panel (18) has spring button (30), the fixed surface of tunnel body (1) installs voice prompt (31).

9. A construction process of a road tunnel structure according to claim 6, comprising the steps of:

s1: excavating a tunnel body (1) and a ventilation channel (2), welding and installing an antifouling water-blocking plate (6) and a water storage tank (7), and installing exhaust fan blades (5);

s2: excavating water channels at outlets on two sides of the tunnel body (1), and communicating the front part and the rear part with water outlet grooves (7);

s3: and paving a concrete pavement at the bottom of the tunnel body (1) to enable the pavement height to be higher than the horizontal height of the water storage tank (7).