Diversion tunnel plugging device

Abstract

The utility model discloses a diversion tunnel plugging device which comprises a rock body, a diversion tunnel is arranged in the rock body, a plugging plate is arranged outside the diversion tunnel at the front end of the rock body, mounting through holes are formed in the edge of the interior of the plugging plate, and an embedded anchor rod is arranged in the rock body on the outer side of the diversion tunnel. And a fastening screw sleeve is arranged outside the pre-embedded anchor rod at the front end of the plugging plate. A plugging assembly is arranged outside a diversion tunnel at the front end of a rock mass, pre-embedded anchor rods are pre-embedded in the rock mass on the outer side of the diversion tunnel at equal intervals during plugging operation of the diversion tunnel, a plugging plate is positioned on the outer side of the diversion tunnel during plugging of the diversion tunnel, and meanwhile mounting through holes formed in the inner edge of the plugging plate correspond to the pre-embedded anchor rods one to one and are connected to the outer portions of the pre-embedded anchor rods in a sleeving mode. And then the fastening thread sleeve is connected to the outer portion of the pre-embedded anchor rod in a sleeving mode and screwed down, the purpose that the plugging plate is stably installed on the outer side of the diversion tunnel to plug the diversion tunnel can be achieved, and the structural strength of connection of the plugging plate and the rock mass is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of diversion hole plugging, in particular to a diversion hole plugging device. Background Art

[0002] A diversion tunnel refers to a tunnel used for construction diversion purposes. During the construction of a hydropower station, the diversion tunnel is used to divert the water flow of the original river from the upstream to the downstream to achieve water flow guidance during the construction period. After the construction of the hydropower station is completed, a plugging device is needed to plug the diversion tunnel to prevent the diversion tunnel from affecting the normal operation of the hydropower station.

[0003] For example, a diversion hole plugging device disclosed in the utility model with authorization announcement number CN220888531U includes a plugging assembly, which includes a rock wall, a diversion hole, a limiting groove, a baffle, a support arm, a first pin shaft, a connecting block, a mounting plate, a cylinder, a switching block, a second pin shaft, and a U-shaped block. The utility model drives the baffle to rotate by a cylinder, so that the baffle rotates to the limiting groove at the front of the diversion hole to plug the water inlet end of the diversion hole, and the baffle and the diversion hole are fixedly connected by rotating a plurality of screws passing through the baffle, and the cylinder can be disassembled for the next plugging. After the cylinder is disassembled, the screws are continued to be rotated so that the baffle squeezes the elastic sealing pad, thereby sealing the connection between the baffle and the limiting groove on the diversion hole to prevent water leakage, and the diversion hole is sealed by using the pre-installed cylinder and baffle, with a fast plugging speed and a short construction period, and it is also convenient to plug the diversion hole when the water flow is large. However, during the application of this technical solution, the baffle is fixed to the outside of the diversion tunnel by screws and is only connected to the surface of the mountain. The strength of the connection structure is not high, and there is a technical problem that the sealing plate rock body cannot be quickly and firmly connected to ensure the sealing effect. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a diversion tunnel plugging device, which can solve the problem that the baffle is fixedly connected to the outside of the diversion tunnel by screws and is only connected to the surface of the mountain, the strength of the connection structure is not high, and there is a technical problem that the sealing plate rock body cannot be quickly and firmly connected to ensure the sealing effect.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a diversion hole plugging device, including a rock mass, a diversion hole is arranged inside the rock mass, a plugging plate is arranged outside the diversion hole at the front end of the rock mass, installation through holes are arranged at the edge inside the plugging plate, embedded anchor rods are arranged in the rock mass outside the diversion hole, fastening screw sleeves are arranged outside the embedded anchor rods at the front end of the plugging plate, and a counterweight stabilization assembly is arranged in the diversion hole at the rear end of the plugging plate.

[0006] As a preferred technical solution of the utility model, the pre-buried anchor rods are arranged at equal intervals in the rock mass outside the diversion tunnel, and the pre-buried anchor rods are parallel to each other.

[0007] As a preferred technical solution of the utility model, the installation through holes are arranged at equal intervals at the edge of the interior of the blocking plate, and the front end of the embedded anchor rod passes through the interior of the installation through holes.

[0008] As a preferred technical solution of the utility model, the counterweight stabilization assembly includes a counterweight box body, which is arranged at the rear end of the sealing plate, a casting port is penetrated at the middle position of the top of the front end of the sealing plate, and a reinforcing rib plate is arranged on the outer side of the counterweight box body.

[0009] As a preferred technical solution of the utility model, the rear end of the pouring port passes through the middle position of the top of the front end of the counterweight box body, and the pouring port is connected with the interior of the counterweight box body.

[0010] As a preferred technical solution of the utility model, seven groups of reinforcing rib plates are provided, and the reinforcing rib plates are arranged at equal intervals on the outside of the counterweight box body, and the reinforcing rib plates are parallel to each other.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By arranging a plugging assembly outside the diversion hole at the front end of the rock mass, the pre-buried anchor rods are firstly pre-buried in the rock mass outside the diversion hole at equal intervals when the diversion hole is plugged. When plugging the diversion hole, the plugging plate is positioned outside the diversion hole, and the installation holes arranged on the inner edge of the plugging plate are matched one by one with the pre-buried anchor rods and sleeved on the outside. Then, the fastening screw sleeve is sleeved on the outside of the pre-buried anchor rods and tightened, so that the plugging plate can be stably installed on the outside of the diversion hole to plug it, and the structural strength of the connection between the plugging plate and the rock mass is improved;

[0013] 2. A counterweight stabilizing assembly is arranged in the diversion hole at the rear end of the plugging plate. The counterweight box is installed into the diversion hole while the plugging plate is installed outside the diversion hole. After the plugging plate is installed, concrete is poured into the counterweight box through the pouring port, thereby greatly improving the quality of the counterweight box. The structural stability of the counterweight box is ensured by reinforcing the rib plate, so that the plugging device can more stably block the diversion hole by relying on gravity, and the feasibility is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of a partial cross-sectional structure of a rock mass in a side view of the utility model;

[0016] Figure 3 It is an explosion diagram of the utility model;

[0017] Figure 4 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] Among them: 1. Rock mass; 2. Sealing plate; 3. Casting port; 4. Embedded anchor rod; 5. Fastening screw sleeve; 6. Diversion hole; 7. Counterweight box; 8. Reinforcement plate; 9. Installation hole. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified. Example

[0020] Please refer to Figure 1-4 As shown, the utility model provides a diversion hole plugging device, including a rock mass 1, a diversion hole 6 is arranged inside the rock mass 1, a plugging plate 2 is arranged outside the diversion hole 6 at the front end of the rock mass 1, and installation holes 9 are arranged at the edge of the inside of the plugging plate 2, and the installation holes 9 are arranged at equal intervals at the edge of the inside of the plugging plate 2, and pre-buried anchor rods 4 are arranged in the rock mass 1 outside the diversion hole 6, and the pre-buried anchor rods 4 are arranged at equal intervals in the rock mass 1 outside the diversion hole 6, and the pre-buried anchor rods 4 are parallel to each other. Before plugging the diversion hole 6, the pre-buried anchor rods 4 are pre-buried at equal intervals. In the rock mass 1 outside the diversion tunnel 6, the front end of the embedded anchor rod 4 passes through the inside of the installation through hole 9. When blocking the diversion tunnel 6, the blocking plate 2 is positioned outside thereof. At the same time, the installation through holes 9 set on the inner edge of the blocking plate 2 correspond to the embedded anchor rod 4 one by one and are sleeved on the outside thereof. A fastening screw sleeve 5 is set outside the embedded anchor rod 4 at the front end of the blocking plate 2. Then, the fastening screw sleeve 5 is sleeved on the outside of the embedded anchor rod 4 and tightened, so that the blocking plate 2 can be stably installed on the outside of the diversion tunnel 6 to block it, and the structural strength of the connection between the blocking plate 2 and the rock mass 1 is improved;

[0021] When in use, the pre-buried anchor rods 4 are first pre-buried in the rock mass 1 outside the diversion tunnel 6 at equal intervals, and then the blocking plate 2 is positioned outside the diversion tunnel 6 when blocking the diversion tunnel 6. At the same time, the mounting through holes 9 provided on the inner edge of the blocking plate 2 correspond to the pre-buried anchor rods 4 one by one and are sleeved on the outside thereof, and then the fastening screw sleeves 5 are sleeved on the outside of the pre-buried anchor rods 4 and tightened, so that the blocking plate 2 can be firmly installed on the outside of the diversion tunnel 6 to block it;

[0022] As a further implementation of this embodiment, Figure 1-4 As shown, a counterweight stabilizing assembly is provided in the diversion hole 6 at the rear end of the plugging plate 2, and the counterweight stabilizing assembly includes a counterweight box body 7, which is arranged at the rear end of the plugging plate 2, and a pouring port 3 is provided at the middle position of the top of the front end of the plugging plate 2. The rear end of the pouring port 3 passes through the middle position of the top of the front end of the counterweight box body 7, and the pouring port 3 is communicated with the interior of the counterweight box body 7. After the counterweight box body 7 is installed into the interior of the diversion hole 6 and the plugging plate 2 is installed, concrete is poured into the interior of the counterweight box body 7 through the pouring port 3. A reinforcing rib plate 8 is provided on the outside of the counterweight box body 7. Seven groups of reinforcing rib plates 8 are provided. The reinforcing rib plates 8 are arranged at equal intervals on the outside of the counterweight box body 7, and the reinforcing rib plates 8 are parallel to each other. The reinforcing rib plates 8 are used to ensure that the structure of the counterweight box body 7 is stable, thereby greatly improving the quality of the counterweight box body 7, and relying on gravity, the plugging device can more stably block the diversion hole 6.

[0023] The blocking plate 2 is installed outside the diversion hole 6, and the counterweight box 7 is installed inside the diversion hole 6. After the blocking plate 2 is installed, concrete is poured into the counterweight box 7 through the pouring port 3, thereby improving the quality of the counterweight box 7, and the structure of the counterweight box 7 is ensured to be stable by the reinforcing rib plate 8, so that the blocking device can block the diversion hole 6 more stably by relying on gravity;

[0024] Specific working principle:

[0025] When using the plugging device, first, the embedded anchor rods 4 are embedded in the rock mass 1 outside the diversion hole 6 at equal intervals, and then the plugging plate 2 is positioned on its outside when plugging the diversion hole 6, and at the same time, the installation through holes 9 set on the inner edge of the plugging plate 2 correspond to the embedded anchor rods 4 one by one and are sleeved on the outside, and then the fastening screw sleeves 5 are sleeved on the outside of the embedded anchor rods 4 and tightened, so that the plugging plate 2 can be firmly installed on the outside of the diversion hole 6 to seal it, and then concrete is poured into the interior of the counterweight box 7 through the pouring port 3, and the structural stability of the counterweight box 7 is ensured by the reinforcing rib plate 8, so that the plugging device can more stably block the diversion hole 6 by relying on gravity, and the stable sealing operation of the diversion hole 6 can be achieved.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A diversion tunnel plugging device, comprising a rock mass (1), characterized in that: A diversion hole (6) is arranged inside the rock mass (1), a sealing plate (2) is arranged outside the diversion hole (6) at the front end of the rock mass (1), a mounting through hole (9) is arranged at the edge inside the sealing plate (2), a pre-buried anchor rod (4) is arranged inside the rock mass (1) outside the diversion hole (6), a fastening screw sleeve (5) is arranged outside the pre-buried anchor rod (4) at the front end of the sealing plate (2), and a counterweight stabilization component is arranged inside the diversion hole (6) at the rear end of the sealing plate (2).

2. A diversion hole plugging device according to claim 1, characterized in that: The pre-buried anchor rods (4) are arranged at equal intervals in the rock mass (1) outside the diversion tunnel (6), and the pre-buried anchor rods (4) are parallel to each other.

3. A diversion hole plugging device according to claim 1, characterized in that: The installation through holes (9) are arranged at equal intervals at the edge of the interior of the blocking plate (2), and the front end of the embedded anchor rod (4) passes through the interior of the installation through hole (9).

4. A diversion hole plugging device according to claim 1, characterized in that: The counterweight stabilizing assembly comprises a counterweight box (7), the counterweight box (7) being arranged at the rear end of the blocking plate (2), a pouring port (3) being provided at the middle position of the top of the front end of the blocking plate (2), and a reinforcing rib plate (8) being provided on the outer side of the counterweight box (7).

5. A diversion hole plugging device according to claim 4, characterized in that: The rear end of the pouring port (3) passes through the middle position of the top of the front end of the counterweight box body (7), and the pouring port (3) is connected to the interior of the counterweight box body (7).

6. A diversion hole plugging device according to claim 4, characterized in that: Seven groups of the reinforcing rib plates (8) are provided. The reinforcing rib plates (8) are arranged at equal intervals on the outside of the counterweight box (7), and the reinforcing rib plates (8) are parallel to each other.

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