CN113529517B

CN113529517B - Roadbed slope protection structure convenient for water blocking and ventilation

Info

Publication number: CN113529517B
Application number: CN202110816579.9A
Authority: CN
Inventors: 吕金明; 李玲玉; 马朝辉; 杨嘯; 陈松洲
Original assignee: China Communication South Road and Bridge Co Ltd
Current assignee: China Communication South Road and Bridge Co Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-06-10
Anticipated expiration: 2041-07-20
Also published as: CN113529517A

Abstract

The invention relates to a roadbed slope protection structure convenient for water blocking and ventilation, wherein a road surface is arranged on the top of a roadbed layer on a gravel layer, a connecting box is fixedly arranged on the left side of a supporting plate fixedly arranged in the roadbed layer, a plurality of air pipes are fixedly communicated with the inner wall on the right side of the connecting box, the right ends of the air pipes are fixedly connected with a flow guide pipe, a guard plate is fixedly arranged on the right side of the roadbed layer, the right ends of the flow guide pipes all penetrate through the guard plate and are all fixedly connected with the guard plate, a plurality of clamping components are arranged on a supporting column fixedly arranged on the top of the supporting plate, the clamping components are connected with the air pipes, the bottom of the connecting box extends into the gravel layer, a return pipe is fixedly communicated with the bottom on the right side of the connecting box, a water tank positioned on the right side of the guard plate is fixedly arranged on the top of the gravel layer, the right end of the return pipe extends into the water tank and is fixedly connected with the inner wall on the left side of the water tank, and ventilation type roadbed slope protection structure is easy to deform in the prior art, leading to the problem that the water can not be ventilated, radiated and guided normally.

Description

Roadbed slope protection structure convenient for water blocking and ventilation

Technical Field

The invention belongs to the technical field of roadbed protection, and relates to a roadbed slope protection structure convenient for water blocking and ventilation.

Background

The permafrost regions are distributed more in China for many years, and the thawing and sinking of the frozen soil at the lower parts of the roadbed of the highway and the railway are main factors causing the stability deficiency of the roadbed. For example: the gelmu to lassa section of the Qinghai-Tibet railway passes through a permafrost region 632km, wherein 237km is in a high-temperature permafrost region (the annual average ground temperature is more than or equal to-1 ℃). Therefore, for roads in cold regions, severe frozen soil problems are faced. Generally adopt among the prior art and fill out the stone road bed, because of having the space that increases between the stone, can be through the natural draft heat dissipation to reduce the inside temperature of road bed, but inside consequently the rainwater pours into the road bed into comparatively easily, erode the road bed and lead to soil erosion and water loss, thereby reduce the structural strength of road bed and lead to the road surface to damage.

Roadbed slope formula protective structure that blocks water ventilation among the prior art, adopt the buckled plate to carry out water guide or tuber pipe and carry out the heat conduction, but buckled plate or tuber pipe do not all have corresponding fixed establishment, only rely on dirt road bed stone to install buckled plate or tuber pipe, when using for a long time, after dirt road bed stone receives pressure for a long time, lead to buckled plate or tuber pipe to take place deformation very easily, and then can not normally ventilate the heat dissipation water guide, so we provide a roadbed slope protective structure convenient to block water ventilation, a problem for solve the aforesaid and propose.

Disclosure of Invention

In view of the above, the invention provides a roadbed slope protection structure convenient for water blocking and ventilation, which aims to solve the problems that in the prior art, corrugated plates are adopted for water guiding or air pipes are adopted for heat conducting, but no corresponding fixing mechanism is provided, and the roadbed slope protection structure is installed only by depending on an earth roadbed stone, so that the roadbed stone is easy to deform after being stressed for a long time and further cannot normally ventilate, dissipate heat and guide water when the roadbed slope protection structure is used for a long time.

In order to achieve the purpose, the invention provides the following technical scheme:

a roadbed slope protection structure convenient for water blocking and ventilation comprises a sandstone layer, wherein a roadbed layer is arranged on the sandstone layer, a pavement is arranged at the top of the roadbed layer, a supporting plate is fixedly arranged in the roadbed layer, a connecting box is fixedly arranged at the left side of the supporting plate, a plurality of air pipes are fixedly communicated on the inner wall of the right side of the connecting box and are all embedded in the roadbed layer, a guide pipe is fixedly connected with the right end of the air pipe, a guard plate is fixedly arranged at the right side of the roadbed layer, the right ends of the guide pipes all penetrate through the guard plate and are all fixedly connected with the guard plate, a plurality of support columns are fixedly arranged at the top of the supporting plate, a plurality of clamping components are arranged on the support columns, the clamping components are connected with the air pipe, the bottom of the connecting box extends into the sandstone layer, a return pipe is fixedly communicated with the bottom of the right side of the connecting box, and a water tank positioned at the right side of the guard plate is fixedly arranged at the top of the sandstone layer, the right end of the return pipe extends into the water tank and is fixedly connected with the inner wall of the left side of the water tank.

The beneficial effect of this basic scheme lies in: the invention can realize the stable installation of a plurality of air pipes, thereby preventing the air pipes from deforming and ensuring that the air pipes are in a smooth state, thereby realizing the timely heat dissipation of the roadbed layer, and can timely discharge the seepage water generated in the roadbed layer under the drainage action of the connecting box and the flow guide pipe, thereby avoiding the deformation of the roadbed layer and having higher safety performance.

Further, equidistant a plurality of unpowered fans that are equipped with on the right side inner wall of connecting box, and a plurality of unpowered fans are corresponding with a plurality of tuber pipes respectively, beneficial effect: the unpowered fan can be used for realizing circular flow of gas.

Further, including fixed cover, movable plate, two splint, reference column and two transmission assembly on clamping the subassembly, fixed cover fixed mounting is on the support column, movable plate sliding connection is in fixed cover, and two splint equal sliding connection are in the side of movable plate, and two transmission assembly all install in fixed cover, transmission assembly is connected with the splint that correspond, the reference column is located between two splint and all presss from both sides the dress with two splint, the one end of reference column extends to the outside of fixed cover and is connected beneficial effect with the tuber pipe: the positioning columns can be positioned and clamped by the aid of the two clamping plates, so that the air pipes can be in a stable state.

Further, the opening part fixed mounting of fixed cover has the arc, the tuber pipe contacts with the arc, and the reference column run through the arc and with arc sliding fit, beneficial effect: utilize the arc to realize carrying out stable bearing to the tuber pipe.

Further, including stay tube, ball nut and ball on the drive assembly, ball screw thread opposite direction on two drive assemblies, two stay tubes are all connected on the inner wall of fixed cover, and ball nut fixed mounting is in the one end of stay tube, ball run through ball nut and with ball nut threaded connection, be connected with same gear assembly on the stay tube and on the inner wall of fixed cover, the movable plate is all run through to the other end of two ball, and ball's the other end and the splint fixed connection that corresponds, beneficial effect: the supporting tube can be driven to rotate when the moving plate moves.

Further, including rack and gear on the gear assembly, the fixed cover of gear is established on the stay tube, and rack fixed mounting is on the inner wall of fixed cover, gear and rack mesh beneficial effect mutually: the two jaws can be brought closer to each other when the moving plate is pushed.

Further, symmetry fixed mounting has the slide rail on the inner wall of fixed cover, and the quantity of slide rail is two, sliding connection has the slide on the slide rail, the other end of stay tube rotates with the slide that corresponds to be connected, beneficial effect: the support tube may be slidably supported and may be capable of being rotated.

Further, the top and the equal fixed mounting in bottom of fixed cover have locking Assembly, and the last rotation of locking Assembly is connected with the connecting rod, and the one end that two connecting rods are close to each other all extends to fixed cover in and rotate with the splint that correspond and be connected beneficial effect: the two connecting rods can drive the two moving rods to move when the moving plate moves.

Further, last spacing ring, carriage release lever, connecting cover, mounting bracket, screw rod and the nut of including of locking Assembly, two spacing rings are fixed mounting respectively in the top and the bottom of fixed cover, the carriage release lever run through the spacing ring and with the inner wall sliding connection of spacing ring, the one end that two connecting rods kept away from each other rotates with the one end of the carriage release lever that corresponds respectively to be connected, connecting cover fixed mounting is at the other end of carriage release lever, and two mounting brackets are fixed mounting respectively in the top and the bottom of fixed cover, and two screw rods run through the mounting bracket that corresponds respectively, nut fixed mounting is in the connecting cover, the screw rod run through the nut that corresponds and with nut threaded connection, beneficial effect: after in will connecting the cover immigration mounting bracket, through the threaded connection of screw rod and nut this moment, can further realize carrying out stable spacing to two splint to the stable location of carriage release lever.

Further, the cover is equipped with extension spring on the carriage release lever, extension spring's both ends respectively with connecting cover and spacing ring fixed connection, beneficial effect: the tension spring can automatically reset the moving rod when the brake on the moving rod is released.

The invention has the beneficial effects that:

1. according to the roadbed slope protection structure convenient for water blocking and ventilation, the air pipe is pushed to insert the positioning rod into the fixed cover to push the movable plate to move, so that the two clamping plates can be close to each other to clamp the positioning rod, the air pipe can be braked and positioned, the air pipe is in a stable state, the fixed covers arranged on the support columns and at the same height can position and clamp the same air pipe, and the stability of the air pipe during installation can be effectively enhanced.

2. According to the roadbed slope protection structure convenient for water blocking and ventilation, when the two clamping plates are close to each other, the corresponding connecting covers can be respectively moved into the mounting frame through the two connecting rods, then the connecting rods are in threaded connection with the nuts through the screw rods, the moving rods are braked, at the moment, the clamping plates can be stably supported through the reverse thrust of the connecting rods to the clamping plates, so that the clamping plates can be prevented from moving reversely, the two clamping plates can continuously and stably clamp the positioning columns, and accordingly air pipes can be prevented from loosening.

3. According to the roadbed slope protection structure convenient for water blocking and ventilation, the heat dissipation area of the roadbed layer can be effectively increased through the plurality of air pipes, and the guide pipe arranged at the right end of each air pipe is installed in a downward inclined mode, so that air can enter the air pipe, water can be prevented from entering the air pipe, and the roadbed layer can be prevented from being interfered by rainwater.

4. According to the roadbed slope protection structure convenient for water blocking and ventilation, disclosed by the invention, when water is accumulated in the roadbed layer, water can enter the air pipe, can respectively flow into the flow guide pipe and the connecting box, and can slide into the water tank from the protection plate after flowing out through the flow guide pipe, and can flow into the water tank through the return pipe, so that the water generated in the roadbed layer can be timely discharged, and potential safety hazards are effectively eliminated.

5. The roadbed slope protection structure convenient for water blocking and ventilation can realize stable installation of a plurality of air pipes, so that the air pipes can be prevented from deforming, the air pipes can be ensured to be in a smooth state, timely heat dissipation of a roadbed layer can be realized, and seepage water generated in the roadbed layer can be timely discharged under the drainage action of the connecting box and the flow guide pipe, so that the roadbed layer can be prevented from deforming, and the roadbed slope protection structure has high safety performance.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front view of the structure of a roadbed slope protection structure convenient for water blocking and ventilation;

FIG. 2 is a side view of the internal structure of a connection box in a roadbed slope protection structure convenient for water blocking and ventilation according to the invention;

FIG. 3 is a three-dimensional view of a supporting plate, a connecting box and a plurality of air pipe connecting structures in the roadbed slope protecting structure convenient for water blocking and ventilation;

FIG. 4 is a side view of a supporting plate, a supporting column and a plurality of air ducts connecting structure in a slope protection structure of a roadbed convenient for water blocking and ventilation according to the present invention;

FIG. 5 is a side view of the internal structure of the installation cover in the roadbed slope protection structure convenient for water resistance and ventilation;

FIG. 6 is a schematic view of the structure of part A of FIG. 5 according to the present invention.

Reference numerals: 1 sandstone layer, 2 way basic unit, 3 road surfaces, 4 protective plates, 5 supporting plates, 6 connecting boxes, 7 supporting columns, 8 air pipes, 9 guide pipes, 10 return pipes, 11 water tanks, 12 fixed covers, 13 arc-shaped plates, 14 moving plates, 15 clamping plates, 16 positioning columns, 17 ball screws, 18 sliding rails, 19 sliding plates, 20 supporting pipes, 21 ball screw nuts, 22 gears, 23 racks, 24 connecting rods, 25 moving rods, 26 connecting covers, 27 mounting racks, 28 screw rods, 29 nuts, 30 tension springs and 31 unpowered fans.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1-6 a roadbed slope protective structure convenient to ventilation blocks water, including gravel layer 1, be equipped with roadbed layer 2 on gravel layer 1, and roadbed layer 2's top is equipped with road surface 3, fixed mounting has backup pad 5 in roadbed layer 2, utilize backup pad 5 can realize carrying out stable support to a plurality of tuber pipes 8, provide good support carrier for a plurality of tuber pipes 8 installation, backup pad 5's left side fixed mounting has connecting box 6, it can realize carrying out stable installation to tuber pipe 8 to set up connecting box 6, and can make things convenient for gas or water to concentrate to gather, fixed intercommunication has a plurality of tuber pipes 8 on connecting box 6's the right side inner wall, a plurality of tuber pipes 8 all inlay and adorn in roadbed layer 2, the right-hand member fixedly connected with honeycomb duct 9 of tuber pipe 8, honeycomb duct 9 is the slope installation downwards, can prevent that outside rivers from getting into in the tuber pipe 8.

A guard plate 4 is fixedly mounted on the right side of the roadbed layer 2, the guard plate 4 is arranged to prevent soil erosion of the roadbed layer 2, the right ends of a plurality of guide pipes 9 penetrate through the guard plate 4 and are fixedly connected with the guard plate 4, a plurality of support columns 7 are fixedly mounted on the top of the support plate 5, stable support of the air pipe 8 can be achieved by the support columns 7, a plurality of clamping assemblies are arranged on the support columns 7 and are connected with the air pipe 8, the bottom of the connecting box 6 extends into the sandstone layer 1, a return pipe 10 is fixedly communicated with the bottom of the right side of the connecting box 6 and can facilitate outward outflow of gas or water, a water tank 11 located on the right side of the guard plate 4 is fixedly mounted on the top of the sandstone layer 1, and the right end of the return pipe 10 extends into the water tank 11 and is fixedly connected with the inner wall of the left side of the water tank 11; the right side inner wall of connecting box 6 is equipped with a plurality of unpowered fans 31 on the equidistant, utilizes unpowered fans 31 can realize carrying out good induced air to gas, makes things convenient for gas to move, and a plurality of unpowered fans 31 are corresponding with a plurality of tuber pipes 8 respectively, utilizes unpowered fans 31 to realize carrying out the circulation flow to gas.

In this embodiment, the clamping assembly includes a fixed cover 12, a moving plate 14, two clamping plates 15, a positioning column 16 and two transmission assemblies, the fixed cover 12 is fixedly installed on the supporting column 7, the fixed cover 12 can provide a stable carrier for installing the positioning column 16, the moving plate 14 is slidably connected in the fixed cover 12, the two clamping plates 15 are connected to the side face of the moving plate 14 in a sliding mode, the positioning column 16 can be stably clamped through the two clamping plates 15, the two transmission assemblies are mounted in the fixed cover 12 and connected with the corresponding clamping plates 15, the positioning column 16 is located between the two clamping plates 15 and clamped with the two clamping plates 15, one end of the positioning column 16 extends to the outer side of the fixed cover 12 and is connected with the air pipe 8, and the positioning column 16 can be positioned and clamped through the two clamping plates 15, so that the air pipe 8 can be in a stable state; opening part fixed mounting of fixed cover 12 has arc 13, and tuber pipe 8 contacts with arc 13, and reference column 16 runs through arc 13 and with arc 13 sliding fit, utilizes arc 13 can realize carrying out stable bearing to tuber pipe 8.

Including the support tube 20 on the drive assembly, ball nut 21 and ball 17, ball 17 screw thread opposite direction on two drive assemblies, two support tubes 20 are all connected on the inner wall of fixed cover 12, and ball nut 21 fixed mounting is in the one end of support tube 20, utilize ball 17 and ball nut 21 that set up to realize when the movable plate 14 removes, can drive support tube 20 and rotate, ball 17 runs through ball nut 21 and with ball nut 21 threaded connection, be connected with same gear assembly on the support tube 20 and on the inner wall of fixed cover 12, movable plate 14 is all run through to the other end of two ball 17, and ball 17's the other end and the splint 15 fixed connection that corresponds, can be when the movable plate 14 removes, drive support tube 20 and rotate.

The gear assembly comprises a rack 23 and a gear 22, the gear 22 is fixedly sleeved on the support tube 20, the rack 23 is fixedly arranged on the inner wall of the fixed cover 12, and the gear 22 is meshed with the rack 23 to enable the two clamping plates 15 to approach each other when the moving plate 14 is pushed; the inner wall of the fixed cover 12 is symmetrically and fixedly provided with two slide rails 18, the slide rails 18 are connected with slide plates 19 in a sliding manner, and the other end of the support tube 20 is rotatably connected with the corresponding slide plate 19, so that the support tube 20 can be slidably supported and the support tube 20 can be rotated; the top and the bottom of the fixed cover 12 are fixedly provided with locking components, the locking components are rotatably connected with connecting rods 24, one ends of the two connecting rods 24 close to each other extend into the fixed cover 12 and are rotatably connected with corresponding clamping plates 15, and the two connecting rods 24 can drive the two moving rods 25 to move when the moving plate 14 moves; the locking component comprises a limiting ring, a moving rod 25, a connecting cover 26, a mounting frame 27, screw rods 28 and nuts 29, wherein the two limiting rings are respectively and fixedly mounted at the top and the bottom of the fixed cover 12, when the moving rod 25 moves by utilizing the limiting rings, good sliding limiting is provided, the moving rod 25 penetrates through the limiting rings and is in sliding connection with the inner walls of the limiting rings, one ends, far away from each other, of the two connecting rods 24 are respectively and rotatably connected with one ends of the corresponding moving rods 25, the linkage of the moving rods 25 and the clamping plates 15 can be realized by utilizing the connecting rods 24, so that the moving rods 25 can be driven to move when the clamping plates 25 move, the connecting cover 26 is fixedly mounted at the other ends of the moving rods 25, the two mounting frames 27 are respectively and fixedly mounted at the top and the bottom of the fixed cover 12, the two screw rods 28 respectively penetrate through the corresponding mounting frames 27, the nuts 29 are fixedly mounted in the connecting cover 26, the screw rods 28 penetrate through the corresponding nuts 29 and are in threaded connection with the nuts 29, after the connecting cover 26 is moved into the mounting frame 27, the moving rod 25 can be stably positioned through the threaded connection of the screw 28 and the nut 29, and further, the two clamping plates 15 can be stably limited; the movable rod 25 is sleeved with an extension spring 30, two ends of the extension spring 30 are respectively fixedly connected with the connecting cover 26 and the limiting ring, and the movable rod 25 can be automatically reset when the extension spring 30 is used for releasing braking on the movable rod 25.

The use method of the roadbed slope protection structure convenient for water blocking and ventilation comprises the steps of firstly placing a support plate 5 in a roadbed layer 2 when installing an air pipe 8, then inserting one end of a plurality of air pipes 8 into a connecting box 6, and enabling the plurality of air pipes 8 to be respectively in butt joint with a plurality of unpowered fans 31, then correspondingly inserting a plurality of positioning columns 16 on the air pipes 8 into a plurality of installation covers 12, pushing the air pipes 8 to push the positioning columns 16 to move towards the fixed covers 12, then pushing a movable plate 14 to move, driving two ball screws 17 to move when the movable plate 14 moves, wherein the ball screws 17 are not in self-locking connection with the ball screw nuts 21, so that when the ball screws 17 move, the support pipes 20 can be driven to rotate through the ball screw nuts 21, and the thread directions on the two ball screws 17 are opposite, the rotation directions of the two support tubes 20 are opposite, and then the support tubes 20 can be driven to move under the meshing transmission action of the gear 22 and the rack 23, and the two support pipes 20 are moved to the side close to each other, so that the two clamping plates 15 can be brought close to each other, when the clamping plate 15 moves, the connecting rod 24 can drive the moving rod 25 to move towards one side of the supporting column 7, when positioning post 16 is clamped by clamping plates 15, connecting covers 26 can be moved into mounting brackets 27, respectively, and then threaded rod 28 can be inserted into connecting covers 26, and by turning the screw 28, the screw 28 is screwed with the nut 29, thereby achieving the braking of the clamping plate 15, and the positioning column 16 is stably clamped through the two clamping plates 15, so that the air pipe 8 can be stably installed, and then the guide pipe 9 is in butt joint with the air pipe 8.

And in the attached figure 1, it can be seen that the diversion pipe 9 is inclined downwards, so that the external water can be prevented from entering the air pipe 8, then the gravel can be used for burying the air pipe 8 to form the roadbed layer 2, the protection plate 4 is installed on the side surface of the roadbed layer 2, meanwhile, a plurality of diversion pipes 9 all penetrate through the protection plate 4, so that the external gas can enter the air pipe 8 from the diversion pipe 9, thereby the roadbed layer 2 can be radiated, and the gas can be conveyed into the return pipe 10 from the connecting box 6 under the drainage of the unpowered fan 31, then the return pipe 10 can be conveyed into the water tank 11, so that the gas circulation in the air pipe 8 can be ensured, meanwhile, when the water seepage occurs in the roadbed layer 2, the gas can flow into the air pipe 8, then respectively enter the diversion pipe 9 and the connecting box 11, when the water flows out of the diversion pipe 9, the protection plate 4 can slide into the water tank 11, the water that flows into in the connecting box 6 can flow into in the water tank 11 by the back flow pipe 10 to this problem that can avoid appearing ponding in the roadbed layer 2 realizes carrying out good protection to roadbed layer 2.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. The utility model provides a road bed side slope protective structure convenient to ventilation blocks water, includes gravel layer (1), be equipped with road bed layer (2) on gravel layer (1), and the top of road bed layer (2) is equipped with road surface (3), its characterized in that, fixed mounting has backup pad (5) in road bed layer (2), the left side fixed mounting of backup pad (5) has connecting box (6), fixed intercommunication has a plurality of tuber pipes (8) on the right side inner wall of connecting box (6), and a plurality of tuber pipes (8) all inlay and adorn in road bed layer (2), the right-hand member fixedly connected with honeycomb duct (9) of tuber pipe (8), the right side fixed mounting of road bed layer (2) has backplate (4), and the right-hand member of a plurality of honeycomb ducts (9) all runs through backplate (4) and all with backplate (4) fixed connection, the top fixed mounting of backup pad (5) has a plurality of support columns (7), the supporting columns (7) are provided with a plurality of clamping assemblies, the clamping assemblies are connected with the air pipes (8), the bottom of the connecting box (6) extends into the sandstone layer (1), the bottom of the right side of the connecting box (6) is fixedly communicated with a return pipe (10), the top of the sandstone layer (1) is fixedly provided with a water tank (11) located on the right side of the protective plate (4), and the right end of the return pipe (10) extends into the water tank (11) and is fixedly connected with the inner wall of the left side of the water tank (11);

the clamping assembly comprises a fixed cover (12), a movable plate (14), two clamping plates (15), a positioning column (16) and two transmission assemblies, the fixed cover (12) is fixedly arranged on the supporting column (7), the movable plate (14) is connected in the fixed cover (12) in a sliding mode, the two clamping plates (15) are connected to the side face of the movable plate (14) in a sliding mode, the two transmission assemblies are arranged in the fixed cover (12) and connected with the corresponding clamping plates (15), the positioning column (16) is located between the two clamping plates (15) and clamped with the two clamping plates (15), and one end of the positioning column (16) extends to the outer side of the fixed cover (12) and is connected with the air pipe (8);

the transmission components comprise support pipes (20), ball screw nuts (21) and ball screws (17), the thread directions of the ball screws (17) on the two transmission components are opposite, the two support pipes (20) are connected to the inner wall of the fixed cover (12), the ball screw nuts (21) are fixedly arranged at one ends of the support pipes (20), the ball screws (17) penetrate through the ball screw nuts (21) and are in threaded connection with the ball screw nuts (21), the support pipes (20) and the inner wall of the fixed cover (12) are connected with the same gear component, the other ends of the two ball screws (17) penetrate through the movable plate (14), and the other ends of the ball screws (17) are fixedly connected with corresponding clamping plates (15);

the top and the bottom of fixed cover (12) all fixed mounting have locking Assembly, and locking Assembly goes up to rotate and is connected with connecting rod (24), and the one end that two connecting rod (24) are close to each other all extends to in fixed cover (12) and rotates with splint (15) that correspond and be connected.

2. A roadbed slope protection structure convenient for water blocking and ventilation according to claim 1, wherein a plurality of unpowered fans (31) are arranged on the inner wall of the right side of the connecting box (6) at equal intervals, and the plurality of unpowered fans (31) correspond to the plurality of air pipes (8) respectively.

3. A roadbed slope protection structure convenient for water blocking and ventilation according to claim 1, wherein an arc-shaped plate (13) is fixedly installed at the opening of the fixed cover (12), the air pipe (8) is in contact with the arc-shaped plate (13), and the positioning column (16) penetrates through the arc-shaped plate (13) and is in sliding fit with the arc-shaped plate (13).

4. A roadbed slope protection structure convenient for water blocking and ventilation according to claim 1, wherein the gear assembly comprises a rack (23) and a gear (22), the gear (22) is fixedly sleeved on the supporting pipe (20), the rack (23) is fixedly arranged on the inner wall of the fixed cover (12), and the gear (22) is meshed with the rack (23).

5. A roadbed slope protection structure convenient for water blocking and ventilation according to claim 1, wherein the inner wall of the fixed cover (12) is symmetrically and fixedly provided with two sliding rails (18), the sliding rails (18) are connected with sliding plates (19) in a sliding manner, and the other ends of the supporting tubes (20) are rotatably connected with the corresponding sliding plates (19).

6. A roadbed slope protection structure convenient for water blocking and ventilation according to claim 1, wherein the locking component comprises a limiting ring, a moving rod (25), a connecting cover (26), a mounting rack (27), a screw (28) and a nut (29), the two limiting rings are respectively fixedly mounted at the top and the bottom of the fixed cover (12), the moving rod (25) penetrates through the limiting rings and is connected with the inner walls of the limiting rings in a sliding manner, the ends of the two connecting rods (24) far away from each other are respectively connected with one end of the corresponding moving rod (25) in a rotating manner, the connecting cover (26) is fixedly mounted at the other end of the moving rod (25), the two mounting racks (27) are respectively fixedly mounted at the top and the bottom of the fixed cover (12), the two screws (28) respectively penetrate through the corresponding mounting racks (27), the nut (29) is fixedly mounted in the connecting cover (26), the screw rod (28) penetrates through the corresponding nut (29) and is in threaded connection with the nut (29).

7. A roadbed slope protection structure convenient for water blocking and ventilation according to claim 6, wherein the moving rod (25) is sleeved with an extension spring (30), and two ends of the extension spring (30) are respectively fixedly connected with the connecting cover (26) and the limiting ring.