Tunnel leakage maintenance device

Abstract

The utility model discloses a tunnel leakage maintenance device, belongs to the technical field of tunnel maintenance, solves the problem that materials flow out in the maintenance process of an existing tunnel leakage maintenance device, and comprises a spray gun body and a grouting nail, the grouting nail is installed in a tunnel gap, and the spray gun body is in butt joint with an opening in the end of the grouting nail. The grouting nail is composed of a grouting head, an inserting rod and a guniting opening, a conveying groove for conveying materials is jointly formed in the grouting head, the inserting rod and the guniting opening, the materials penetrate through the conveying groove to flow into a gap in a tunnel, a threaded end is installed at the end of the grouting head, rapid splitting of the grouting head and the inserting rod is achieved, a sealing mechanism is installed in the grouting head, and the sealing mechanism can seal the grouting head and the inserting rod. The inner space of the grouting head is divided, the total amount of materials flowing out of the grouting nails is reduced, in the conveying process, the materials are prevented from flowing back, and a protection mechanism is installed at the end of the spray gun body and used for collecting the materials flowing out of the grouting nails.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel maintenance, and particularly relates to a tunnel leakage repair device. Background Art

[0002] The existing tunnel crack repair devices generally consist of grouting nails and grouting spray guns. The grouting nails are embedded into the cracks in the tunnel, and then a sealing layer is laid on the surface of the tunnel cracks. After that, the grouting spray gun is connected to the connection port at the end of the grouting nail. Through the operation of the grouting spray gun, the water-swellable material for filling the cracks in the tunnel is input into the cracks in the tunnel through the grouting nail to fill the cracks.

[0003] The grouting nail is generally a tubular structure with upper and lower openings, and a one-way valve is installed at the discharge port of the grouting nail to prevent the material from flowing out along the inner wall of the grouting nail due to gravity. There are certain problems in actual use. When the tunnel crack is located at the top of the tunnel inner wall, the grouting nail is inverted and embedded into the crack. At this time, the grouting nail is perpendicular to the ground. Even though a one-way valve is installed at the discharge port of the grouting nail, the material existing in the grouting nail will still directly flow out of the grouting nail with the separation of the grouting spray gun and the grouting nail, causing certain inconvenience in use. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract of the specification and the name of the utility model of this application, to avoid obscuring the purpose of this part, the abstract of the specification, and the name of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] To solve the problems raised in the above background art, the utility model adopts the following technical solutions.

[0006] A tunnel leakage repair device includes a spray gun main body and a grouting nail. The grouting nail is installed in the tunnel crack, and the spray gun main body is inserted and arranged with the grouting nail. The grouting nail is a tubular structure with upper and lower openings. The grouting nail consists of a grouting head, an insertion rod, and a slurry spraying port. The grouting head is connected to the insertion rod and is interconnected. A slurry spraying port is fixedly installed at the bottom end of the insertion rod. A conveying groove for conveying the material is commonly opened in the grouting head, the insertion rod, and the slurry spraying port. A closing mechanism is installed in the grouting head. The closing mechanism includes a guiding cone frame, a spring group, and a sealing ball. A guiding cone frame is fixedly installed in the grouting head. A sealing ball is arranged at the opening at the bottom end of the guiding cone frame. The sealing ball is connected with a spring group, and the other end of the spring group is connected to the guiding cone frame.

[0007] As a preferred technical solution of the present utility model, the guiding cone frame is a conical structure with openings at both the top and bottom. The radius of the sealing ball is smaller than the inner diameter of the grouting head, the radius of the sealing ball is larger than the radius of the bottom opening of the guiding cone frame, and the sealing ball fits with the bottom opening of the guiding cone frame.

[0008] As a preferred technical solution of the present utility model, the closing mechanism further includes a sliding plate and a pushing plate. Sliding grooves are symmetrically formed on the inner wall of the grouting head. A sliding plate is slidably installed in the sliding groove. The bottom end of the sliding plate is connected to the side wall of the sealing ball, and the other end of the sliding plate is fixedly installed with a pushing plate.

[0009] As a preferred technical solution of the present utility model, a protection mechanism is further included. The protection mechanism includes a grouting pipe, a fitting plate, a docking ring, and a plugging block. The output end of the spray gun main body is installed with a grouting pipe. The grouting pipe is slidably inserted into the grouting head. A fitting plate is installed on the grouting pipe. The bottom end of the fitting plate is fixedly installed with a docking ring. A docking groove for docking with the docking ring is formed on the upper surface of the grouting head. Plugging blocks are symmetrically and fixedly installed on the bottom end of the fitting plate and on the side of the docking ring. Plugging slots for plugging with the plugging blocks are formed on the upper surface of the grouting head.

[0010] As a preferred technical solution of the present utility model, the protection mechanism further includes a receiving plate. A receiving plate is installed outside the grouting pipe. The receiving plate is a conical structure, and the maximum radius of the receiving plate is larger than the radius of the fitting plate itself.

[0011] As a preferred technical solution of the present utility model, a reinforcement mechanism is further included. The reinforcement mechanism includes elastic clamping plates and diversion holes. Elastic clamping plates are equidistantly installed on the outer wall of the plugging rod. There are multiple groups of elastic clamping plates, and diversion holes for conveying materials are formed in the elastic clamping plates. The diversion holes are communicated with the inside of the plugging rod. An inclined trapezoidal part for assisting the elastic clamping plate to move in the gap is arranged at the bottom end of the elastic clamping plate.

[0012] As a preferred technical solution of the present utility model, the reinforcement mechanism further includes a diversion plate. A diversion plate for guiding materials into the diversion holes is installed on the inner wall of the plugging rod and on the side of the diversion holes.

[0013] As a preferred technical solution of the present utility model, a threaded end is installed at the bottom end of the grouting head, and a meshing groove for threaded connection with the threaded end is formed at the top end of the plugging rod.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The utility model divides the internal space of the original grouting nail by setting a closing mechanism, differentiates the part of the grouting nail remaining in the tunnel gap from the part to be cut originally, reduces the total amount of material flowing out of the grouting nail, and the material remaining in the grouting nail will fix the position of the grouting nail after solidification, ensuring the stability of the grouting nail installed on the inner wall of the tunnel, preventing the grouting nail from falling directly from the tunnel. Moreover, the tunnel leakage repair device in the utility model cooperates with the protection mechanism, can receive the material flowing out of the grouting nail, quickly complete the collection of the flowing material, and the reinforcement mechanism can strengthen the stability after the grouting nail is inserted into the gap, and guide part of the material to fill and reinforce the surrounding area of the grouting nail, further sealing the position of the grouting nail to prevent water from flowing out through the space around the grouting nail, ensuring the overall stability of the device. Description of the Drawings

[0016] Figure 1 It is a three-dimensional view of the overall structure of the utility model.

[0017] Figure 2 It is a three-dimensional view of the grouting nail structure in the utility model.

[0018] Figure 3 It is a sectional view of the grouting nail structure in the utility model.

[0019] Figure 4 It is a structural schematic diagram of the closing mechanism in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the protection mechanism in the utility model.

[0021] Figure 6 It is an enlarged structural schematic diagram of the protection mechanism in the utility model.

[0022] Figure 7 It is a structural schematic diagram of the reinforcement mechanism in the utility model.

[0023] The corresponding relationship between the labels of each attached drawing in the figure and the component names is as follows:

[0024] 1. Spray gun main body; 2. Grouting head; 3. Insertion rod; 4. Spray nozzle; 5. Closing mechanism; 51. Guide cone frame; 52. Spring group; 53. Sealing ball; 54. Sliding plate; 55. Pushing plate; 6. Protection mechanism; 61. Grouting pipe; 62. Fitting plate; 63. Docking ring; 64. Insertion block; 65. Receiving plate; 7. Reinforcement mechanism; 71. Elastic clamping plate; 72. Diversion hole; 73. Diversion plate; 8. Threaded end; 9. Meshing groove. Detailed Description of the Invention

[0025] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be provided in conjunction with the accompanying drawings of the specification.

[0026] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation manner of the present utility model. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that mutually excludes other embodiments. The present utility model provides the following embodiments.

[0028] As Figure 1 , Figure 2 and Figure 3 shown, it is a schematic structural diagram of the tunnel leakage repair device in this embodiment. The device includes a spray gun main body 1 and grouting nails. The grouting nails are installed in the tunnel gap, and the spray gun main body 1 is installed at the opening of the end of the grouting nail. The grouting nail is a tubular structure with upper and lower openings. The grouting nail is composed of a grouting head 2, an insertion rod 3, and a slurry spraying port 4. The grouting head 2 is connected to and communicates with the insertion rod 3. The insertion rod 3 is divided into an upper connection part and a lower connection part. The bottom end of the lower connection part is fixedly installed with a slurry spraying port 4. A conveying groove for conveying water-swellable materials into the gap is commonly formed in the grouting head 2, the insertion rod 3, and the slurry spraying port 4.

[0029] During use, according to the position of the tunnel gap, a plurality of groups of grouting nails are directly inserted into the gap one by one at a preset interval. At this time, it is necessary to ensure that the lower connection part in the insertion rod 3 is completely inserted into the gap. At this time, the entire grouting head 2 is exposed outside. The spray gun main body 1 is inserted into the end of the grouting head 2. With the cooperation of the pump body and the connecting pipe, the material is input into the gap through the conveying groove to complete the filling of the gap. Then, using the property of the material to expand when encountering water, the gap in the tunnel is sealed and reinforced, realizing the repair of the tunnel leakage and preventing water from seeping through the gap.

[0030] When the material input of a single group of grouting nails is completed and the material has not completely solidified, the spray gun main body 1 is withdrawn, so that the spray gun main body 1 is separated from the grouting head 2, which is convenient for the subsequent injection operation of the spray gun main body 1 for each group of grouting nails one by one. Until the gap in the tunnel is completely filled, the repair operation of the tunnel is completed.

[0031] As Figure 3As shown, in this embodiment, a threaded end 8 is installed at the bottom end of the grouting head 2, and an engaging groove 9 for threaded connection with the threaded end 8 is provided at the top end of the insertion rod 3. When the grouting nail is initially solidified with the material in the gap, by rotating the grouting head 2, the threaded end 8 moves inside the engaging groove 9, quickly separating the grouting head 2 from the insertion rod 3, and enabling the insertion rod 3 to be inserted into the wall, thus completing the repair work.

[0032] In this embodiment, a closing mechanism 5 is installed inside the grouting head 2, as Figure 4 shown. The closing mechanism 5 includes a guiding cone frame 51, a spring group 52, and a sealing ball 53. A guiding cone frame 51 is fixedly installed inside the grouting head 2. A sealing ball 53 is arranged at the bottom opening of the guiding cone frame 51. The guiding cone frame 51 is a conical structure with openings at both the top and bottom. The radius of the sealing ball 53 is smaller than the inner diameter of the grouting head 2, and the radius of the sealing ball 53 is larger than the radius of the bottom opening of the guiding cone frame 51, and the sealing ball 53 fits against the bottom opening of the guiding cone frame 51, using the sealing ball 53 to seal the opening of the guiding cone frame 51.

[0033] As shown in the attached Figure 4 figure, the closing mechanism 5 further includes a sliding plate 54 and a pushing plate 55. Sliding grooves are symmetrically formed on the inner wall of the grouting head 2. A sliding plate 54 is slidably installed in the sliding grooves. The bottom end of the sliding plate 54 is connected to the side wall of the sealing ball 53, and the other end of the sliding plate 54 is fixedly installed with a pushing plate 55. The sliding plate 54 and the pushing plate 55 can slide up and down together in the sliding grooves.

[0034] During use, the end of the spray gun body 1 is docked with the end of the grouting head 2. As the spray gun body 1 slides inside the grouting head 2, the end of the spray gun body 1 squeezes and pushes against the pushing plate 55, driving the pushing plate 55 to slide inside the sliding grooves, and pushing the entire sliding plate 54 and sealing ball 53 to slide inside the grouting head 2, adjusting the distance between the sealing ball 53 and the guiding cone frame 51. At this time, the opening at the end of the guiding cone frame 51 opens, and the material can pass through the opening at the end of the guiding cone frame 51 and enter the insertion rod 3. And when the sealing ball 53 slides away from the guiding cone frame 51, the spring group 52 is in a stretched state. When the grouting is completed, the spray gun body 1 disengages from inside the grouting head 2. At this time, the end of the spray gun body 1 no longer squeezes the pushing plate 55, and the sealing ball 53 moves towards the opening at the end of the guiding cone frame 51 under the action of the self-elastic force of the spring group 52, closing and blocking the opening at the end of the guiding cone frame 51, and the material remaining in the grouting nail will solidify together with the material in the tunnel gap.

[0035] As shown in the attached Figure 5 and Figure 6As shown in the figure, it is a schematic structural diagram of the protection mechanism 6 in this embodiment. After the grouting nail is inverted in the tunnel top wall, the remaining material remaining above the guiding cone frame 51 will flow out as the spray gun main body 1 leaves. To solve this problem, the tunnel leakage repair device in this embodiment further includes a protection mechanism 6 for collecting the material flowing out of the grouting nail. The protection mechanism 6 includes a grouting pipe 61, a fitting plate 62, a docking ring 63, a plugging block 64, and a receiving plate 65. The output end of the spray gun main body 1 is equipped with a grouting pipe 61. The grouting pipe 61 is slidably inserted into the grouting head 2. A fitting plate 62 is installed on the grouting pipe 61. The bottom end of the fitting plate 62 is fixedly installed with a docking ring 63. A docking groove for docking with the docking ring 63 is opened on the upper surface of the grouting head 2. On the bottom end of the fitting plate 62 and symmetrically fixed on the side of the docking ring 63 are plugging blocks 64. A slot for inserting the plugging blocks 64 is opened on the upper surface of the grouting head 2. A receiving plate 65 for collecting the material flowing out of the grouting nail is installed outside the grouting pipe 61. The receiving plate 65 is in a conical structure, and the maximum radius of the receiving plate 65 is greater than the radius of the fitting plate 62 itself.

[0036] During use, the spray gun main body 1 is inserted into the end of the grouting head 2. At this time, the grouting pipe 61 enters the grouting head 2, pushing and squeezing the push plate 55 inside the grouting head 2. At this time, the bottom end of the fitting plate 62 is in contact with the top end of the grouting head 2, and the docking ring 63 enters the docking groove, completing the sealing of the connection between the fitting plate 62 and the grouting head 2 to prevent the material from flowing out through the gap between the fitting plate 62 and the grouting head 2. The docking of the plugging blocks 64 and the slots fixes the position and angle of the entire spray gun main body 1, assisting in quickly positioning during the insertion of the spray gun main body 1 to make the notch on the grouting pipe 61 cooperate with the push plate 55.

[0037] When the material grouting is completed, the grouting pipe 61 is pulled out from the inside of the grouting head 2. At this time, the material between the grouting pipe 61 and the sealing ball 53 flows directly out of the inside of the grouting head 2 under the action of gravity, and the receiving plate 65 can collect the material.

[0038] By attachment Figure 7 As shown in the figure, it is a schematic structural diagram of the reinforcement mechanism 7 in this embodiment. The tunnel leakage repair device in this embodiment further includes a reinforcement mechanism 7. The reinforcement mechanism 7 includes elastic clamping plates 71, diversion holes 72, and diversion plates 73. Elastic clamping plates 71 are equidistantly installed on the outer wall of the insertion rod 3. There are multiple groups of elastic clamping plates 71, and diversion holes 72 for conveying materials are opened in the elastic clamping plates 71. The diversion holes 72 are communicated with the inside of the insertion rod 3. The bottom end of the elastic clamping plate 71 is provided with an inclined trapezoidal part for assisting the elastic clamping plate 71 to move in the gap. A diversion plate 73 for guiding the material into the diversion holes 72 is installed on the inner wall of the insertion rod 3 and on the side of the diversion holes 72.

[0039] When the material enters the interior of the plugging rod 3 through the grouting head 2, a large amount of the material directly passes through the plugging rod 3 and sprays out from the spraying port 4 to fill the gaps in the tunnel. Part of the material is guided by the deflector 73 to flow out from the diversion holes 72 during the conveying process to fill the spacing between the outside of the plugging rod 3 and the gaps, further locking and strengthening the position of the plugging rod 3, and ensuring the stability of the plugging rod 3 in the wall.

[0040] In this embodiment, when the material solidifies in the grouting nail, it will cooperate with multiple groups of deflectors 73 on the plugging rod to further lock the position of the plugging rod.

[0041] During the process of inserting the grouting nail into the gap in the tunnel, the elastic clamping plate 71 protrudes relative to the outer surface of the plugging rod 3. At this time, using the inclined trapezoidal part at the bottom end of the elastic clamping plate 71, the elastic clamping plate 71 deforms after being squeezed, so that the elastic clamping plate 71 stably inserts into the gap. The elastic clamping plate 71 will bounce to both sides, and the top end of the elastic clamping plate 71 has a right-angled structure, realizing the abutment between the top end of the elastic clamping plate 71 and the inner wall of the gap, and further strengthening and locking the position of the plugging rod 3.

[0042] The above content further elaborates on the present invention in combination with specific embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can still be made, which should all be regarded as belonging to the protection scope determined by the claims submitted for the present invention.

Claims

1. A tunnel leakage repair device, comprising a spray gun body (1) and grouting nails. The grouting nails are installed in the tunnel gaps, and the spray gun body (1) is inserted into the grouting nails. The grouting nails are tubular structures with upper and lower openings. The grouting nails are composed of a grouting head (2), an insertion rod (3), and a slurry spraying port (4). The grouting head (2) is connected to and communicates with the insertion rod (3). The bottom end of the insertion rod (3) is fixedly installed with a slurry spraying port (4). A conveying groove for conveying materials is commonly formed in the grouting head (2), the insertion rod (3), and the slurry spraying port (4). It is characterized in that: A closing mechanism (5) is installed inside the grouting head (2). The closing mechanism (5) includes a guiding cone frame (51), a spring group (52), and a sealing ball (53). A guiding cone frame (51) is fixedly installed inside the grouting head (2). A sealing ball (53) is arranged at the bottom opening of the guiding cone frame (51). The sealing ball (53) is connected to a spring group (52), and the other end of the spring group (52) is connected to the guiding cone frame (51).

2. The tunnel leakage repair device according to claim 1, wherein: The guiding cone frame (51) is a conical structure with openings at both the top and bottom. The radius of the sealing ball (53) is smaller than the inner diameter of the grouting head (2), and the radius of the sealing ball (53) is larger than the radius of the bottom opening of the guiding cone frame (51). The sealing ball (53) fits with the bottom opening of the guiding cone frame (51).

3. The tunnel leakage repair device according to claim 2, characterized in that: The closing mechanism (5) further includes a sliding plate (54) and a pushing plate (55). Sliding grooves are symmetrically formed on the inner wall of the grouting head (2). A sliding plate (54) is slidably installed in the sliding grooves. The bottom end of the sliding plate (54) is connected to the side wall of the sealing ball (53), and the other end of the sliding plate (54) is fixedly installed with a pushing plate (55).

4. The tunnel leakage repair device according to claim 1, characterized in that: It further includes a protection mechanism (6). The protection mechanism (6) includes a grouting pipe (61), a fitting plate (62), a docking ring (63), and a plugging block (64). The output end of the spray gun body (1) is installed with a grouting pipe (61). The grouting pipe (61) is slidably inserted into the grouting head (2). A fitting plate (62) is installed on the grouting pipe (61). The bottom end of the fitting plate (62) is fixedly installed with a docking ring (63). A docking groove for docking with the docking ring (63) is formed on the upper surface of the grouting head (2). Plugging blocks (64) are symmetrically and fixedly installed at the bottom end of the fitting plate (62) and on the side of the docking ring (63). A slot for plugging with the plugging block (64) is formed on the upper surface of the grouting head (2).

5. The tunnel leakage repair device according to claim 4, characterized in that: The protection mechanism (6) further includes a receiving plate (65). A receiving plate (65) is installed outside the grouting pipe (61). The receiving plate (65) is a conical structure, and the maximum radius of the receiving plate (65) is larger than the radius of the fitting plate (62) itself.

6. The tunnel leakage repair device according to claim 1, wherein: It further includes a reinforcement mechanism (7). The reinforcement mechanism (7) includes elastic clamping plates (71) and diversion holes (72). Elastic clamping plates (71) are equidistantly installed on the outer wall of the plugging rod (3). There are multiple groups of elastic clamping plates (71), and diversion holes (72) for conveying materials are formed inside the elastic clamping plates (71). The diversion holes (72) are communicated with the inside of the plugging rod (3). An inclined trapezoidal part for assisting the elastic clamping plate (71) to move in the gap is arranged at the bottom end of the elastic clamping plate (71).

7. The tunnel leakage repair device according to claim 6, characterized in that: The reinforcement mechanism (7) further includes a diversion plate (73). A diversion plate (73) for guiding materials into the diversion holes (72) is installed on the inner wall of the plugging rod (3) and on the side of the diversion holes (72).

8. The tunnel leakage repair device according to claim 1, characterized in that: A threaded end (8) is installed at the bottom end of the grouting head (2). A meshing groove (9) for threaded connection with the threaded end (8) is formed at the top end of the plugging rod (3).

Images