Tunnel surrounding rock drainage pipeline

Abstract

The utility model discloses a tunnel surrounding rock drainage pipeline, which belongs to the technical field of surrounding rock drainage and comprises a water seepage mechanism, and bottom end flanges on two sides of the water seepage mechanism are connected with multi-head connecting pipes. The bottom end of the multi-head connecting pipe is in flange connection with a plurality of drainage mechanisms, and a side drainage ditch is formed in one side of the outer wall of the multi-head connecting pipe. A center drainage ditch is formed in the bottom end of the drainage mechanism, and an anti-corrosion mechanism is installed on one side of the exterior of the multi-head connecting pipe. The exhaust fan is arranged in the annular drainage pipe, accumulated water flows into the annular drainage pipe and flows downwards, the exhaust fan is driven to rotate under the action of gravity through the exhaust fan, the inner wall of the annular drainage pipe is cleaned in the rotating process of the exhaust fan, and cleaned dirt continuously flows downwards along with the accumulated water to reach a central drainage ditch. And meanwhile, anti-corrosion treatment is performed on the transverse drainage pipe, and current with certain voltage is applied to the surface of a metal structure, so that the surface of the structure is at certain negative potential, and metal corrosion is inhibited.

Description

Technical Field

[0001] The utility model relates to the technical field of surrounding rock drainage, in particular to a tunnel surrounding rock drainage pipe. Background Art

[0002] Tunnel rock drainage pipes are a type of waterproofing and drainage system used in tunnels to prevent damage to tunnel structures caused by water leakage, which could endanger traffic safety, corrode equipment within the tunnel, and reduce the service life of the structure. These pipes are typically composed of multiple different types of pipes. These pipes are designed to adapt to the gradual deformation of the surrounding rock, ensuring smooth drainage.

[0003] The current tunnel surrounding rock drainage pipes are complex to arrange inside the tunnel, making maintenance and inspection difficult. The pipes are easily clogged by debris such as mud, sand, and mortar, resulting in poor drainage and affecting the drainage effect. Once a blockage occurs, the pipes need to be manually cleaned. During the drainage process, the surrounding rock and accumulated water may contain corrosive chemicals, which will react with the pipe material and cause corrosion. The corrosion products may affect the stability and durability of the drainage pipes.

[0004] Therefore, it is urgent to provide a tunnel surrounding rock drainage pipeline to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the above-mentioned prior art and provide a tunnel surrounding rock drainage pipeline.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a tunnel surrounding rock drainage pipe, including a water seepage mechanism, the bottom end flanges on both sides of the water seepage mechanism are connected to multi-head pipes; the bottom end flanges of the multi-head pipes are connected to multiple drainage mechanisms, and a side drainage ditch is provided on one side of the outer wall of the multi-head pipe; a central drainage ditch is provided at the bottom end of the drainage mechanism, and an anti-corrosion mechanism is installed on one side of the outside of the multi-head pipe.

[0007] The utility model is further configured as follows: the water seepage mechanism includes an annular water seepage pipe installed in the surrounding rock, a waterproof plate is installed at the bottom of the outer wall of the annular water seepage pipe, and tunnel pavement is paved on both sides of the middle part of the inner wall of the waterproof plate.

[0008] Through the above technical solution, an annular seepage pipe is set up to effectively drain groundwater, prevent foundation settlement caused by excessive water pressure, ensure the stability of the foundation and quickly drain water to prevent water accumulation, and ensure the normal use of buildings and infrastructure. The installation of waterproof boards can effectively prevent groundwater from penetrating into the foundation layer and building structure, thereby protecting stone and buildings and avoiding structural damage caused by water accumulation.

[0009] The utility model is further configured as follows: the multi-head connecting pipe includes connecting pipe flanges installed at the bottom of both sides of the seepage mechanism, a plurality of flange plates are fixedly connected to the outside of the connecting pipe flange, and corresponding horizontal drainage pipes are connected to the flanges on both sides of the front and rear ends of the connecting pipe flange.

[0010] Through the above technical solution, a connecting flange is set to connect and seal the drainage pipes, thereby achieving a tight connection between different drainage pipes, ensuring smooth water flow, and effectively preventing water leakage. At the same time, the connecting flange is set to facilitate the assembly, disassembly, maintenance and replacement of components of the pipeline system, making the entire drainage system more flexible.

[0011] The utility model is further configured as follows: the drainage mechanism includes an annular drainage pipe connected to the bottom flange of the connecting pipe flange, a water spray pipe is installed inside the annular drainage pipe, the front end of the water spray pipe passes through the connecting pipe flange and is fixedly connected to the water tank, the water tank is fixedly connected to the outside of the tunnel pavement, a plurality of spray holes are opened in the middle of the water spray pipe, bearings are fixedly connected between the outer walls of the plurality of spray holes, a plurality of exhaust fans are fixedly connected to the outer walls of the bearings, and small holes are opened on the outer walls of the plurality of exhaust fans.

[0012] Through the above technical solution, a spray hole is set, and the water from the water tank can be transported to the spray hole through the water spray pipe to realize spraying. An exhaust fan is set, and the water sprayed through the spray hole falls to the exhaust fan. Due to the action of gravity, it moves downward and drives the exhaust fan to rotate. During the rotation of the exhaust fan, the outer scraper cleans the inner wall of the annular drain pipe, thereby realizing automatic cleaning of the inner wall of the annular drain pipe and reducing human resources. Small holes are opened on the outer wall of the exhaust fan to prevent excessive water flow during drainage, which may cause blockage of the annular drain pipe.

[0013] The utility model is further configured as follows: the side drainage ditch includes a drainage cover plate installed on both sides of the tunnel pavement, corresponding drainage baffles are installed on the four sides of the bottom of the drainage cover plate, a plurality of dredging pipes are installed on one side of the drainage baffle, the drainage baffle is provided with through holes corresponding to the dredging pipes, the dredging pipes pass through the waterproof plate and are fixedly connected to one side of the connecting pipe flange.

[0014] Through the above technical solution, side drainage ditches are set up to quickly drain precipitation from the road surface and slope, reducing the risk of flooding and soaking, thereby maintaining the stability of the roadbed, increasing the landscape effect of the road, enriching the terrain, and improving the overall aesthetics of the road.

[0015] The utility model further sets up: the anticorrosion mechanism includes the constant potential appearance fixedly connected in the front end outside the tunnel pavement, the constant potential appearance rear end wire is connected with rectifier, rectifier bottom fixedly connected outside the tunnel pavement, the constant potential appearance bottom wire is connected with reference electrode, reference electrode outside is installed under the tunnel pavement, the constant potential appearance bottom wire is connected with anode ground bed, anode ground bed outside is installed under the tunnel pavement, the constant potential appearance rear end one side wire is connected with horizontal drain pipe, one side fixed connection of horizontal drain pipe outer wall has zero cable, zero cable rear end fixedly connected at the bottom of constant potential appearance, the rear end fixed connection of test stake outside the tunnel pavement, test stake bottom wire is connected on one side of horizontal drain pipe outer wall, test stake bottom wire is connected with reference electrode.

[0016] Through the above technical scheme, the anticorrosion mechanism is arranged, the cathodic protection method of external current is utilized to carry out anticorrosion treatment to the horizontal drain pipe, the current of a certain voltage is applied to the surface of the metal structure, the surface of the structure is kept at a certain negative potential, so that the metal corrosion is inhibited, the service life of the metal structure is prolonged, the operation efficiency and safety are improved, the damage of the concrete structure caused by corrosion is reduced, and the structural safety and durability of the tunnel are improved.

[0017] The utility model has the advantages that:

[0018] 1. The utility model discloses a fan is installed in the annular drain pipe, in the process that the accumulated water flows into the annular drain pipe, drives the fan and rotates through the fan and because of the gravity, when the fan rotates, the outer wall can clean the inner wall of the annular drain pipe, so that manual cleaning is not needed, and human resources are saved.

[0019] 2. The utility model discloses a side drainage ditch is arranged in the tunnel, can realize the anti -infiltration function in the tunnel, prevents water and penetrates to the foundation or other structure, thereby protects the stability and durability of foundation structure, can avoid the waste water and waste material of construction process to flow into the surrounding environment simultaneously, realizes environmental protection.

[0020] 3. The utility model discloses a horizontal drain pipe is carried out anticorrosion treatment, changes the potential of surrounding environment through external power supply, makes the potential of horizontal drain pipe be kept in the state below surrounding environment, thereby becoming the cathode in the whole environment. The current of a certain voltage is applied to the surface of the metal structure, the surface of the structure is kept at a certain negative potential, so that the service life of the metal structure in the surrounding rock drainage is prolonged. ACCURACY OF DRAWINGS

[0021] Figure 1 It is the perspective view of the utility model;

[0022] Figure 2 It is the front view of the utility model.

[0023] Figure 3 It is a top view of the utility model;

[0024] Figure 4 It is a right side view of the utility model;

[0025] Figure 5 for Figure 4 AA section view;

[0026] Figure 6 for Figure 5 A magnified view of the .

[0027] In the figure: 1. Seepage mechanism; 101. Annular seepage pipe; 102. Waterproof board; 103. Tunnel pavement; 2. Multi-joint pipe; 201. Pipe flange; 202. Flange; 203. Horizontal drainage pipe; 3. Drainage mechanism; 301. Annular drainage pipe; 302. Spray pipe; 303. Water tank; 304. Spray hole; 305. Bearing; 306. Exhaust fan; 4. Side drainage ditch; 401. Drainage cover; 402. Drainage baffle; 403. Unclogging water pipe; 5. Central drainage ditch; 6. Anti-corrosion mechanism; 601. Constant potentiostat; 602. Rectifier; 603. Reference electrode; 604. Anode bed; 605. Zero cable; 606. Test pile. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0029] See also Figures 1-6 A tunnel surrounding rock drainage pipe includes a water seepage mechanism 1, the bottom end flanges on both sides of the water seepage mechanism 1 are connected to a multi-head pipe 2; the bottom end flanges of the multi-head pipe 2 are connected to multiple drainage mechanisms 3, and a side drainage ditch 4 is opened on one side of the outer wall of the multi-head pipe 2; a central drainage ditch 5 is opened at the bottom of the drainage mechanism 3, and an anti-corrosion mechanism 6 is installed on one side of the outside of the multi-head pipe 2.

[0030] like Figure 1 and Figure 3As shown, the seepage mechanism 1 includes an annular seepage pipe 101 installed in the surrounding rock, a waterproof plate 102 is installed at the bottom of the outer wall of the annular seepage pipe 101, and tunnel pavement 103 is paved on both sides of the middle of the inner wall of the waterproof plate 102. The annular seepage pipe 101 is provided to effectively drain groundwater, prevent foundation settlement caused by excessive water pressure, ensure the stability of the foundation, and quickly drain water to prevent water accumulation, thereby ensuring the normal use of buildings and infrastructure. The waterproof plate 102 is provided to effectively prevent groundwater from penetrating into the foundation layer and building structure, thereby protecting stone and buildings and avoiding structural damage caused by water accumulation.

[0031] like Figure 1 and Figure 3 As shown, the multi-head pipe 2 includes a pipe flange 201 installed at the bottom of both sides of the seepage mechanism 1, and a plurality of flange plates 202 are fixedly connected to the outside of the pipe flange 201. The flanges on both sides of the front and rear ends of the pipe flange 201 are connected to corresponding horizontal drainage pipes 203. The pipe flange 201 is provided to connect and seal the drainage pipes, thereby achieving a tight connection between different drainage pipes, ensuring smooth water flow, and effectively preventing leakage problems. At the same time, the pipe flange 201 is provided to facilitate the assembly, disassembly, maintenance and replacement of components of the pipeline system, making the entire drainage system more flexible.

[0032] like Figure 5 and Figure 6 As shown, the drainage mechanism 3 includes an annular drainage pipe 301 connected to the bottom flange of the connecting flange 201, a water spray pipe 302 is installed inside the annular drainage pipe 301, the front end of the water spray pipe 302 passes through the connecting flange 201 and is fixedly connected to the water tank 303, the water tank 303 is fixedly connected to the outside of the tunnel pavement 103, a plurality of spray holes 304 are opened in the middle of the water spray pipe 302, bearings 305 are fixedly connected between the outer walls of the plurality of spray holes 304, a plurality of exhaust fans 306 are fixedly connected to the outer walls of the bearings 305, and small holes are opened on the outer walls of the plurality of exhaust fans 306 to set the spray holes 304. The water in the water tank 303 can be transported to the injection hole 304 through the water spray pipe 302 to achieve injection. An exhaust fan 306 is set. The water injected through the injection hole 304 falls to the exhaust fan 306. Due to the action of gravity, it moves downward and drives the exhaust fan 306 to rotate. During the rotation of the exhaust fan 306, the outer scraper cleans the inner wall of the annular drain pipe 301, thereby automatically cleaning the inner wall of the annular drain pipe 301 and reducing human resources. Small holes are opened on the outer wall of the exhaust fan 306 to prevent excessive water flow during drainage, which may cause blockage of the annular drain pipe 301.

[0033] like Figure 5As shown, the side drainage ditch 4 includes a drainage cover plate 401 installed on both sides of the tunnel pavement 103, and corresponding drainage baffles 402 are installed on the four sides of the bottom of the drainage cover plate 401. A plurality of dredging pipes 403 are installed on one side of the drainage baffle 402. The drainage baffle 402 is provided with through holes corresponding to the dredging pipes 403. The dredging pipes 403 pass through the waterproof plate 102 and are fixedly connected to one side of the connecting flange 201. The side drainage ditch 4 is set to quickly drain precipitation from the road surface and slope, reduce the risk of flooding and soaking, thereby maintaining the stability of the roadbed, and can also increase the landscape effect of the road, enrich the terrain, and improve the overall aesthetics of the road.

[0034] like Figure 3 and Figure 4 As shown, the anti-corrosion mechanism 6 includes a constant potential instrument 601 fixedly connected to the front end outside the tunnel pavement 103, the rear end wire of the constant potential instrument 601 is connected to a rectifier 602, the bottom of the rectifier 602 is fixedly connected to the outside of the tunnel pavement 103, the bottom wire of the constant potential instrument 601 is connected to a reference electrode 603, the reference electrode 603 is externally installed under the tunnel pavement 103, the bottom wire of the constant potential instrument 601 is connected to an anode bed 604, the anode bed 604 is externally installed under the tunnel pavement 103, the rear end of the constant potential instrument 601 is connected to a horizontal drain pipe 203, and a zero cable 605 is fixedly connected to one side of the outer wall of the horizontal drain pipe 203, and the rear end of the zero cable 605 is fixed. A test pile 606 is fixedly connected to the bottom of the constant potential instrument 601 and the rear end outside the tunnel pavement 103. The bottom wire of the test pile 606 is connected to one side of the outer wall of the transverse drainage pipe 203. The bottom wire of the test pile 606 is connected to the reference electrode 603. An anti-corrosion mechanism 6 is set. By using the cathodic protection method of external current, the transverse drainage pipe 203 is subjected to anti-corrosion treatment. By applying a current of a certain voltage on the surface of the metal structure, the surface of the structure is at a certain negative potential, thereby inhibiting metal corrosion, extending its service life, and improving operating efficiency and safety. It is very effective. At the same time, it can reduce the damage to the concrete structure caused by corrosion and improve the structural safety and durability of the tunnel.

[0035] When the utility model is in use, moisture in the surrounding rock seeps into the interior through the annular seepage pipe 101 and flows to the connecting flange 201. At the same time, side drainage ditches 4 are set on both sides of the tunnel pavement 103. The accumulated water in the tunnel can enter the connecting flange 201 through the side drainage ditch 4. The accumulated water at two places enters the annular drainage pipe 301. In the process of flowing downward, the accumulated water passes through the exhaust fan 306 and drives the exhaust fan 306 to rotate. In the process of rotation of the exhaust fan 306, the inner wall of the annular drainage pipe 301 is cleaned, and the cleaned dirt continues to flow downward with the accumulated water to reach the central drainage ditch 5. An anti-corrosion mechanism 6 is set outside the horizontal drainage pipe 203 to ensure that the drainage pipe will not be damaged due to the corrosiveness of groundwater during long-term operation.

[0036] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tunnel surrounding rock drainage pipe, comprising a water seepage mechanism (1), characterized in that: The bottom flanges on both sides of the water seepage mechanism (1) are connected to multi-head pipes (2); The bottom flange of the multi-joint pipe (2) is connected to a plurality of drainage mechanisms (3), and a side drainage ditch (4) is provided on one side of the outer wall of the multi-joint pipe (2); A central drainage ditch (5) is provided at the bottom end of the drainage mechanism (3), and an anti-corrosion mechanism (6) is installed on one side of the exterior of the multi-joint pipe (2).

2. The tunnel surrounding rock drainage pipe according to claim 1, characterized in that: The water seepage mechanism (1) comprises an annular water seepage pipe (101) installed in the surrounding rock, a waterproof plate (102) is installed at the bottom of the outer wall of the annular water seepage pipe (101), and tunnel pavement (103) is laid on both sides of the middle of the inner wall of the waterproof plate (102).

3. The tunnel surrounding rock drainage pipe according to claim 2, characterized in that: The multi-joint pipe (2) comprises pipe flanges (201) installed at the bottom of both sides of the water seepage mechanism (1), a plurality of flanges (202) are fixedly connected to the outside of the pipe flange (201), and corresponding transverse drainage pipes (203) are connected to the flanges on both sides of the front and rear ends of the pipe flange (201).

4. The tunnel surrounding rock drainage pipe according to claim 3, characterized in that: The drainage mechanism (3) comprises an annular drainage pipe (301) connected to the bottom flange of the connecting flange (201), a water spray pipe (302) is installed inside the annular drainage pipe (301), the front end of the water spray pipe (302) passes through the connecting flange (201) and is fixedly connected to a water tank (303), the water tank (303) is fixedly connected to the outside of the tunnel pavement (103), a plurality of spray holes (304) are opened in the middle of the water spray pipe (302), bearings (305) are fixedly connected between the outer walls of the plurality of spray holes (304), a plurality of exhaust fans (306) are fixedly connected to the outer wall of the bearing (305), and the outer walls of the plurality of exhaust fans (306) are opened with small holes.

5. The tunnel surrounding rock drainage pipe according to claim 3, characterized in that: The side drainage ditch (4) includes drainage cover plates (401) installed on both sides of the tunnel pavement (103), corresponding drainage baffles (402) are installed on four sides of the bottom of the drainage cover plate (401), and a plurality of dredging pipes (403) are installed on one side of the drainage baffle plate (402). The drainage baffle plate (402) is provided with through holes corresponding to the dredging pipes (403), and the dredging pipes (403) pass through the waterproof plate (102) and are fixedly connected to one side of the pipe flange (201).

6. The tunnel surrounding rock drainage pipe according to claim 3, characterized in that: The anti-corrosion mechanism (6) includes a potentiostat (601) fixedly connected at the front end outside the tunnel pavement (103), a rear end lead of the potentiostat (601) connected to a rectifier (602), a bottom of the rectifier (602) fixedly connected to the outside of the tunnel pavement (103), a bottom lead of the potentiostat (601) connected to a reference electrode (603), the reference electrode (603) is externally installed under the tunnel pavement (103), a bottom lead of the potentiostat (601) connected to an anode bed (604), the anode bed (604) is externally installed Under the tunnel pavement (103), a conductor on one side of the rear end of the potentiostat (601) is connected to a transverse drainage pipe (203), a zero position cable (605) is fixedly connected to one side of the outer wall of the transverse drainage pipe (203), a rear end of the zero position cable (605) is fixedly connected to the bottom of the potentiostat (601), a test pile (606) is fixedly connected to the rear end outside the tunnel pavement (103), a conductor on the bottom of the test pile (606) is connected to one side of the outer wall of the transverse drainage pipe (203), and a conductor on the bottom of the test pile (606) is connected to a reference electrode (603).

Images