Diversion tunnel plugging device

By enhancing the stability of the diversion tunnel sealing device through structures such as inflatable airbags and limiting rods, the leakage and collapse problems of traditional sealing methods in complex environments are solved, achieving a highly efficient sealing effect.

CN223893335UActive Publication Date: 2026-02-10POWERCHINA HUADONG ENG CORP LTD +1
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Patent Information

Application Number
CN202520504246.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-10
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Traditional diversion tunnel sealing structures are prone to leakage, cracks, or even collapse under complex hydraulic conditions and geological environments, making it difficult to guarantee stability and safety.

Method used

Inflatable airbags are used to fill the gap between the positioning rod and the tunnel wall. They are connected to the reinforcing rod through fixing grooves to enhance stability. The structure is further stabilized by double fixing with limiting rods and bolts.

Benefits of technology

It effectively prevents water leakage, enhances the sealing and stability of the sealing device, improves its ability to withstand water flow impact and geological changes, and prevents sealing failure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a diversion tunnel plugging device, and relates to the technical field of tunnels. The device comprises a positioning plate, wherein an adjusting groove is formed in one side of the positioning plate; a plurality of fixing plates are fixed in the adjusting groove, and threaded pipes are fixed to the surfaces of the fixing plates. A threaded rod is in threaded connection in the threaded pipe, and a handle is fixed to one end of the threaded rod; a bearing is fixed at the other end of the threaded rod, a positioning rod is fixed on the outer ring of the bearing, and a reinforcing hole is formed in one side of the positioning rod; movable grooves are fixed to the periphery of the positioning plate, and the positioning rods are movably connected with the movable grooves. Reinforcing rods penetrate through the reinforcing holes, and the outer sides of the reinforcing rods are sleeved with inflatable air bags. Through the action of the inflatable air bag, after the inflatable air bag is expanded, the gap between the positioning rod and the tunnel wall can be filled, water flow leakage is prevented, the sealing performance of the plugging device is effectively guaranteed, plugging failure caused by leakage is prevented, and the strict waterproof requirement after the diversion tunnel is plugged is met; and the water flow impact and geological change bearing capability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tunnel, in particular, a kind of diversion tunnel plugging device. BACKGROUND

[0002] In water conservancy and hydropower engineering, diversion tunnel is a common temporary water building, mainly used to guide river water or lake water to downstream during water conservancy hub construction, to avoid the influence of water flow on construction area. When the main project construction is completed, the diversion tunnel needs to be plugged to realize the functions of reservoir impoundment or power station power generation.

[0003] The plugging structure of diversion tunnel needs to have sufficient stability and safety to withstand long-term water impact and geological changes. The traditional plugging method is relatively simple in structure design, which is difficult to cope with complex hydraulic conditions and geological environment, and is prone to leakage, cracks and even collapse.

[0004] Therefore, we provide a diversion tunnel plugging device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a diversion tunnel plugging device, which can fill the gap between the positioning rod and the tunnel wall after the inflation air bag expands, prevent water leakage, effectively ensure the sealing of the plugging device, prevent plugging failure caused by leakage, meet the strict requirements of waterproof after plugging the diversion tunnel; The surface of the inflation air bag is provided with a fixing groove, and the reinforcing rod penetrates the fixing groove. When the inflation air bag inflates and expands, the fixing groove tightly clamps the reinforcing rod, further enhances the stability of the connection between the reinforcing rod and the positioning rod, makes the whole plugging structure more stable, improves the ability of the device to withstand water impact and geological changes, and solves the problem that the existing plugging method is relatively simple in structure design, difficult to cope with complex hydraulic conditions and geological environment, and prone to leakage, cracks and even collapse.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme: the utility model is a kind of diversion tunnel plugging device, including positioning plate, the positioning plate side is provided with adjusting groove;

[0007] The adjusting groove is fixed with several fixed plates inside, and the surface of the fixed plate is fixed with threaded pipe;

[0008] The threaded pipe is internally threadedly connected with threaded rod, and the threaded rod is fixed with handle at one end.

[0009] The other end of the threaded rod is fixed with bearing, the outer ring of the bearing is fixed with positioning rod, and the one side of the positioning rod is provided with reinforcing hole.

[0010] The positioning plate is fixed with movable grooves around, and the positioning rod is movably connected with the movable grooves.

[0011] The reinforcing hole is penetrated by a reinforcing rod, and the reinforcing rod is sleeved with an inflatable air bag.

[0012] The surface of the inflatable air bag is provided with a plurality of fixing grooves.

[0013] The reinforcing rod penetrates the fixing groove.

[0014] The inflatable air bag is fixed with an air inlet on one side, and the air inlet is fixed with an air valve on one side.

[0015] The positioning rod is fixed with a limiting strip on both sides, and the inner wall of the movable groove is provided with a limiting groove on both sides.

[0016] The limiting groove is slidably connected with the limiting strip.

[0017] The top of the positioning rod is provided with a first positioning hole, and the center of the reinforcing rod is provided with a second positioning hole.

[0018] The first positioning hole and the second positioning hole are of the same specification.

[0019] The first positioning hole and the second positioning hole are penetrated by a limiting rod, and one end of the limiting rod is fixed with a mounting plate.

[0020] The mounting plate and the top of the positioning rod are both provided with threaded holes, and the threaded holes are threadedly connected with bolts.

[0021] The positioning plate is fixed with a water pumping pipe in the center.

[0022] The water pumping pipe penetrates the positioning plate, and the water pumping pipe is fixed with a water valve on the side close to the adjusting groove.

[0023] The utility model has the following beneficial effects:

[0024] 1、The utility model discloses a positioning plate, a reinforcing rod, an inflatable air bag and a water pumping pipe are arranged on the positioning plate, the positioning plate is fixed with a movable groove around, and the positioning rod is movably connected with the movable grooves.

[0025] 2. The utility model discloses a limiting rod's effect, limiting rod passes through first positioning hole and second positioning hole in turn, and then installs the mounting plate with the threaded hole at one end of limiting rod, uses bolt to pass through the threaded hole of mounting plate and positioning rod top and is tightened, carries out double -fixed to reinforcing rod and positioning rod, strengthens the stability of overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing of the embodiment to introduce briefly, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0027] Figure 1 It is the structural schematic diagram of the utility model's diversion tunnel plugging device.

[0028] Figure 2 It is the internal structure schematic diagram of the utility model's adjusting groove.

[0029] Figure 3 It is the utility model's Figure 2 It is the local enlarged view of A in the middle.

[0030] Figure 4 It is the adjusting groove structure schematic diagram of the utility model.

[0031] Figure 5 It is the positioning rod side view angle structure schematic diagram of the utility model.

[0032] Figure 6 It is the positioning rod structure schematic diagram of the utility model.

[0033] Figure 7 It is the reinforcing rod structure schematic diagram of the utility model.

[0034] Figure 8 It is the inflatable air bag structure schematic diagram of the utility model.

[0035] Figure 9 It is the limiting rod structure schematic diagram of the utility model.

[0036] In the drawings, the component list represented by each sign is as follows:

[0037] 1-positioning plate, 2-adjusting groove, 3-fixed plate, 4-threaded pipe, 5-threaded rod, 6-handle, 7-bearing, 8-positioning rod, 9-reinforcing hole, 10-moving groove, 11-reinforcing rod, 12-inflatable air bag, 13-fixed groove, 14-air inlet, 15-air valve, 16-limiting strip, 17-limiting groove, 18-first positioning hole, 19-second positioning hole, 20-limiting rod, 21-mounting plate, 22-threaded hole, 23-bolt, 24-water suction pipe, 25-water valve. DETAILED DESCRIPTION

[0038] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0039] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0040] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application. Embodiment one

[0042] Please refer to Figures 1-9 The utility model discloses a diversion tunnel plugging device, including positioning plate 1, the one side of positioning plate 1 is opened and has adjusting groove 2, adjusting groove 2 internally is fixed with a plurality of fixed plate 3, and the surface of fixed plate 3 is fixed with threaded pipe 4, threaded pipe 4 internally is connected with threaded rod 5, and one end of threaded rod 5 is fixed with handle 6, the other end of threaded rod 5 is fixed with bearing 7, and the outer ring of bearing 7 is fixed with positioning rod 8, and one side of positioning rod 8 is opened and has reinforcing hole 9, positioning plate 1 all around is fixed with moving groove 10, and positioning rod 8 is movably connected with moving groove 10, reinforcing hole 9 internally is penetrated with reinforcing rod 11, and reinforcing rod 11 outside is sleeved with inflatable air bag 12, and the surface of inflatable air bag 12 is opened and has a plurality of fixed grooves 13.

[0043] Specifically, reinforcing rod 11 penetrates fixed groove 13, and one side of inflatable air bag 12 is fixed with air inlet 14, and one side of air inlet 14 is fixed with air valve 15.

[0044] Further, the positioning rod 8 is fixed with a limiting strip 16 on both sides, and the inner wall of the movable slot 10 is provided with a limiting slot 17 on both sides; the limiting slot 17 is in sliding connection with the limiting strip 16; the positioning plate 1 is fixed with a water pumping pipe 24 in the center; the water pumping pipe 24 penetrates through the positioning plate 1, and the water valve 25 is fixed on one side of the water pumping pipe 24 close to the adjusting slot 2.

[0045] The operation process of the embodiment is as follows: the positioning plate 1 is carried to the position to be blocked in the diversion tunnel, the positioning plate 1 is roughly aligned with the blocking area, the handle 6 is rotated to drive the threaded rod 5 to rotate in the threaded pipe 4; since the positioning rod 8 is connected with the threaded rod 5 through the bearing 7, and the positioning rod 8 is movably connected with the movable slot 10, when the threaded rod 5 rotates, the positioning rod 8 can slide in the movable slot 10 along the length direction of the movable slot 10; according to the actual size of the tunnel, the extension length of the positioning rod 8 is adjusted, so that the positioning plate 1 is preliminarily fixed at a suitable position in the tunnel; the limiting strip 16 on both sides of the positioning rod 8 is in sliding connection with the limiting slot 17 on the inner wall of the movable slot 10, so that the deviation or shaking of the positioning rod 8 in the sliding process is prevented, and the stability of the positioning is enhanced; the reinforcing rod 11 is inserted through the reinforcing hole 9 on the positioning rod 8, so that the reinforcing rod 11 penetrates through the fixing slot 13 on the surface of the inflatable air bag 12, and the positioning rod 8 is further positioned; the air inlet 14 of the inflatable air bag 12 is connected with the inflation equipment, the air valve 15 is opened, the inflatable air bag 12 is inflated, and the fixing slot 13 on the surface of the inflatable air bag 12 tightly clamps the reinforcing rod 11, so that the stability of the connection is further enhanced; the water valve 25 on one side of the water pumping pipe 24 close to the adjusting slot 2 is opened, if there is accumulated water in the tunnel, the accumulated water can be pumped out through the water pumping pipe 24, so that the subsequent blocking operation is better performed, and the influence of the accumulated water on the blocking effect is reduced; the device is provided with the inflatable air bag 12, after the inflatable air bag 12 is inflated, the gap between the positioning rod 8 and the tunnel wall can be filled, the water seepage is prevented, the sealing property of the blocking device is effectively ensured, the blocking failure caused by the seepage is prevented, and the strict requirement for waterproofing after the diversion tunnel is blocked is met; the fixing slot 13 is formed on the surface of the inflatable air bag 12, the reinforcing rod 11 penetrates through the fixing slot 13, when the inflatable air bag 12 is inflated, the fixing slot 13 tightly clamps the reinforcing rod 11, the stability of the connection between the reinforcing rod 11 and the positioning rod 8 is further enhanced, the whole blocking structure is more stable, and the ability of the device to withstand the water flow impact and the geological change is improved. Specific embodiment two

[0047] Please refer to Figures 1-3 On the basis of the specific embodiment one, the first positioning hole 18 is formed on the top of the positioning rod 8, and the second positioning hole 19 is formed in the center of the reinforcing rod 11; the first positioning hole 18 and the second positioning hole 19 have the same specification.

[0048] Specifically, the limiting rod 20 penetrates through the first positioning hole 18 and the second positioning hole 19, and the one end of the limiting rod 20 is fixed with the mounting plate 21.

[0049] Furthermore, both the mounting plate 21 and the positioning rod 8 have threaded holes 22 at their tops, and bolts 23 are threaded inside the threaded holes 22.

[0050] The operation process of this embodiment is as follows: when the first positioning hole 18 at the top of the positioning rod 8 and the second positioning hole 19 in the center of the reinforcing rod 11 are aligned, the limiting rod 20 is passed through the first positioning hole 18 and the second positioning hole 19 in sequence. Then, a mounting plate 21 with a threaded hole 22 is installed at one end of the limiting rod 20. Bolts 23 are passed through the mounting plate 21 and the threaded hole 22 at the top of the positioning rod 8 and tightened to double fix the reinforcing rod 11 and the positioning rod 8, thereby enhancing the stability of the overall structure.

[0051] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0052] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A diversion tunnel sealing device, comprising a positioning plate (1), characterized in that: The positioning plate (1) has an adjustment groove (2) on one side; The adjusting groove (2) is fixed with several fixing plates (3), and the fixing plates (3) are fixed with threaded tubes (4); The threaded tube (4) is internally threaded with a threaded rod (5), and a handle (6) is fixed at one end of the threaded rod (5); The other end of the threaded rod (5) is fixed with a bearing (7), and the outer ring of the bearing (7) is fixed with a positioning rod (8). A reinforcing hole (9) is opened on one side of the positioning rod (8). The positioning plate (1) is fixed with movable grooves (10) on all four sides, and the positioning rod (8) is movably connected to the movable grooves (10); A reinforcing rod (11) is inserted through the reinforcing hole (9), and an inflatable airbag (12) is sleeved on the outside of the reinforcing rod (11); The surface of the inflatable airbag (12) has several fixing grooves (13).

2. The diversion tunnel sealing device according to claim 1, characterized in that, The reinforcing rod (11) passes through the fixing groove (13); An air inlet (14) is fixed on one side of the inflatable airbag (12), and an air valve (15) is fixed on one side of the air inlet (14).

3. The diversion tunnel sealing device according to claim 1, characterized in that, The positioning rod (8) has limit strips (16) fixed on both sides, and the movable groove (10) has limit grooves (17) on both sides of its inner wall; the limit grooves (17) are slidably connected to the limit strips (16).

4. The diversion tunnel sealing device according to claim 1, characterized in that, The positioning rod (8) has a first positioning hole (18) at the top, and the reinforcing rod (11) has a second positioning hole (19) in the center; the first positioning hole (18) and the second positioning hole (19) have the same specifications.

5. A diversion tunnel sealing device according to claim 4, characterized in that, A limiting rod (20) passes through the first positioning hole (18) and the second positioning hole (19), and a mounting plate (21) is fixed to one end of the limiting rod (20).

6. A diversion tunnel sealing device according to claim 5, characterized in that, The mounting plate (21) and the positioning rod (8) both have threaded holes (22) at their tops, and bolts (23) are threaded inside the threaded holes (22).

7. A diversion tunnel sealing device according to claim 1, characterized in that, A water pumping pipe (24) is fixed in the center of the positioning plate (1); the water pumping pipe (24) passes through the positioning plate (1), and a water valve (25) is fixed on the side of the water pumping pipe (24) near the regulating groove (2).