Improved dam plugging structure

Abstract

The utility model discloses an improved dam plugging structure in the technical field of dam plugging, which comprises a dam body, a circular base is arranged on the inclined wall surface of the dam body, the top of the circular base is connected with a connecting belt, and a high-pressure sealing membrane bag is mounted at the bottom of the circular base. A first fixing hole is formed in the outer side of the circular base, and a balancing weight is installed in the first fixing hole through a connecting rope. The circular base, the connecting belt, the high-pressure sealing membrane bag, the balancing weights and the dam body are arranged in a matched mode, after the device moves to a repairing area, the high-pressure sealing membrane bag is inflated, sufficient balancing weights are loaded to the bottom of the circular base, and after the device is exposed out of a permeation area face, a worker is lifted to enter a working face to conduct repairing operation. The dry land repairing method is realized, and the permeation area can be effectively blocked.

Description

Technical Field

[0001] This utility model relates to the technical field of dam sealing, and in particular to an improved dam sealing structure. Background Technology

[0002] Dikes are barriers built over streams, rivers, and estuaries to prevent flooding, generate hydroelectric power, or store water for drinking or irrigation. The primary function of short-distance, high artificial dikes built upstream of rivers is not flood prevention, but rather to collect river water, flooding the valley and forming a reservoir. Due to inherent structural defects, biological damage, or years of neglect, dikes can experience seepage and damage over time, eventually leading to their failure and causing severe losses to downstream areas and surrounding villages and towns.

[0003] Traditional methods for dealing with seepage damage to dams generally involve temporary sealing upstream or excavation and backfilling at the seepage point downstream. However, these methods often fail, leading to the further development of the seepage channel and causing irreparable damage. Utility Model Content

[0004] To address the problem that existing repair methods, such as temporary upstream sealing or excavation and backfilling at downstream seepage points, often fail and lead to irreparable damage due to the further development of seepage channels, this invention provides an improved dam sealing structure.

[0005] This utility model provides an improved dam sealing structure, which adopts the following technical solution:

[0006] An improved dam sealing structure includes a dam body, a circular base on the inclined wall of the dam body, a connecting strap connected to the top of the circular base, a high-pressure sealing membrane bladder installed at the bottom of the circular base, a first fixing hole on the outer side of the circular base, and a counterweight installed inside the first fixing hole via a connecting rope.

[0007] By adopting the above technical solution, the assembled device is lifted and moved to the dam body. The circular base slowly slides into the water along the inclined wall of the dam body. After the device moves to the repair area, a sufficient amount of counterweight is loaded at the bottom of the circular base, the high-pressure sealing membrane is inflated, and the water inside the device is pumped out using a water pump. After the seepage area is exposed, the workers are lifted into the work area to carry out repair work. At the same time, clay bags are used to surround the area to be repaired, the water inside is cleaned, and the seepage water on the outside is pumped out. At this time, the seepage surface is in a dry construction state, realizing the dry repair method, which can effectively seal the seepage area.

[0008] Optionally, an inflation hole is provided on one side of the connecting strip.

[0009] By adopting the above technical solution, it is convenient to inflate the inside of the connecting strip through the inflation hole.

[0010] Optionally, a thick rubber pad is installed at the bottom of the high-pressure sealing diaphragm bladder.

[0011] By adopting the above technical solution, the sealing performance between the high-pressure sealing membrane and the dam body is increased.

[0012] Optionally, a sealing gasket is provided at the connection between the high-pressure sealing diaphragm and the thick rubber gasket.

[0013] By adopting the above technical solution, the sealing performance when the high-pressure sealing diaphragm and the thick rubber gasket are connected is increased.

[0014] Optionally, a waterstop is provided between the circular base and the dam body.

[0015] By adopting the above technical solutions, it is possible to prevent river water and reservoir water from seeping through the expansion joints, thus ensuring the safety and stability of the dam.

[0016] Optionally, a pulley is installed on the top of the dam body, a steel wire rope is laid on the top of the pulley, a second fixing hole is installed on the outer side of the circular base near the pulley, and the end of the steel wire rope away from the pulley is fixedly connected to the second fixing hole.

[0017] By adopting the above technical solution, the device is pulled by passing a steel wire rope through a pulley, making the entire device slide into the water more smoothly along the inclined wall of the dam.

[0018] In summary, this utility model has at least one of the following beneficial effects:

[0019] By using a combination of a circular base, connecting belt, high-pressure sealing membrane bladder, counterweight, and dam body, the device moves to the repair area, inflates the high-pressure sealing membrane bladder, and loads sufficient counterweight onto the bottom of the circular base. Once the device exposes the seepage area, workers are hoisted into the work area to carry out repair work, thus realizing a dry repair method that can effectively seal the seepage area. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of an embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram of the connection structure between the circular base and the connecting strip of this utility model;

[0023] Figure 3 This is a schematic diagram of the half-sectional structure of this utility model.

[0024] In the diagram: 1. Circular base; 2. Sealing gasket; 3. Connecting strip; 4. First fixing hole; 5. Second fixing hole; 6. Waterstop strip; 7. High-pressure sealing membrane bladder; 8. Thick rubber pad; 9. Counterweight; 10. Inflation hole; 11. Pulley; 12. Steel wire rope; 13. Dam body. Detailed Implementation

[0025] The following is in conjunction with the appendix Figure 1-3 The present invention will be described in further detail below.

[0026] Please refer to the attached diagram in the instruction manual. Figure 1 This utility model provides an embodiment of an improved dam sealing structure, comprising a dam body 13, a circular base 1 on the inclined wall of the dam body 13, and a waterstop 6 between the circular base 1 and the dam body 13. This prevents river water and reservoir water from seeping through the expansion joint, ensuring the safety and stability of the dam.

[0027] Please refer to the attached diagram in the instruction manual. Figure 1 and Figure 3 A pulley 11 is installed on the top of the dam body 13, and a steel wire rope 12 is laid on top of the pulley 11. A second fixing hole 5 is installed on the outer side of the circular base 1 near the pulley 11, and the end of the steel wire rope 12 away from the pulley 11 is fixedly connected to the second fixing hole 5. The device is pulled by passing the steel wire rope 12 through the pulley 11, so that the entire device slides into the water more smoothly along the inclined wall of the dam body 13.

[0028] Please refer to the attached diagram in the instruction manual. Figure 2 and Figure 3 A connecting strap 3 is connected to the top of the circular base 1, and an inflation hole 10 is provided on one side of the connecting strap 3. This allows for convenient inflation of the connecting strap 3 through the inflation hole 10. A high-pressure sealing diaphragm 7 is installed at the bottom of the circular base 1, and a thick rubber pad 8 is installed at the bottom of the high-pressure sealing diaphragm 7. This increases the sealing between the high-pressure sealing diaphragm 7 and the dam body 13. A sealing gasket 2 is provided at the connection between the high-pressure sealing diaphragm 7 and the thick rubber pad 8. This further increases the sealing when the high-pressure sealing diaphragm 7 and the thick rubber pad 8 are connected. A first fixing hole 4 is provided on the outer side of the circular base 1, and a counterweight 9 is installed inside the first fixing hole 4 via a connecting rope.

[0029] Please refer to the attached diagram in the instruction manual. Figures 1-3The construction method of the improved dam sealing structure shown herein includes the following specific steps:

[0030] S1: Determine the repair location, clarify the location and water depth of the repair auxiliary device, and deliver the assembled device to the designated location.

[0031] S2: Inspect the 3-meter radius of the seepage area, remove debris from the landing point, lift the assembled device as a whole to the dam body 13, and slowly slide the circular base 1 into the water along the inclined wall of the dam body 13.

[0032] S3: After the device is moved to the repair area, load a sufficient amount of counterweight 9 on the bottom of the circular base 1, inflate the high-pressure sealing diaphragm 7, and control the air pressure to about 3 times the local atmospheric pressure. The counterweight load is based on the fact that the working chamber is not lifted after the high-pressure sealing diaphragm 7 is pressurized to the set air pressure.

[0033] S4: Provide a water pump to extract the water from the device, expose the seepage area, and then hoist a worker into the work area to carry out repair work.

[0034] S5: To address the localized leaks around the circular base 1, measures such as increasing the air pressure inside the high-pressure sealing membrane 7 and adding counterweights 9 are taken. For leaks caused by unevenness in the surrounding covering, where the high-pressure sealing membrane 7 cannot seal the holes and the leakage exceeds the pumping capacity, the leakage is reduced by inserting non-woven fabric into the defective area and then covering it with clay bags.

[0035] S6: Use clay bags to enclose the area to be repaired, clean the water inside, and pump out the seepage water on the outside. At this time, the seepage surface is in a dry construction state. Next, carry out the gap filling and surface repair work until the cement and anti-seepage material are dry. After inspection and confirmation, the work is evacuated.

[0036] S7: After the repair work is inspected and found to be correct, the equipment is removed, the inflation valve of the high-pressure sealing diaphragm 7 is opened, the counterweight 9 is released, the hoisting device is lifted and transported to the next penetration area or the site is removed to complete the repair work of the defect point.

[0037] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. An improved dam sealing structure, comprising a dam body (13), characterized in that: The inclined wall of the dam body (13) is provided with a circular base (1), the top of the circular base (1) is connected with a connecting strap (3), the bottom of the circular base (1) is installed with a high-pressure sealing membrane bladder (7), the outer side of the circular base (1) is provided with a first fixing hole (4), and a counterweight (9) is installed inside the first fixing hole (4) through a connecting rope.

2. The improved dam plug structure according to claim 1, wherein: An air inlet (10) is provided on one side of the connecting strip (3).

3. The improved dam plug-in structure according to claim 1, wherein: A thick rubber pad (8) is installed at the bottom of the high-pressure sealing diaphragm (7).

4. The improved dam plug-in structure according to claim 3, wherein: A sealing gasket (2) is provided at the connection between the high-pressure sealing diaphragm (7) and the thick rubber pad (8).

5. The improved dam plug-in structure as claimed in claim 1, wherein: A waterstop (6) is provided between the circular base (1) and the dam body (13).

6. The improved dam plug-in structure as claimed in claim 1, wherein: A pulley (11) is installed on the top of the dam body (13), and a steel wire rope (12) is laid on the top of the pulley (11). A second fixing hole (5) is installed on the outer side of the circular base (1) near the pulley (11), and the end of the steel wire rope (12) away from the pulley (11) is fixedly connected to the second fixing hole (5).

Images