CN114753310B - A prevention of seepage stagnant water structure for hydraulic and hydroelectric engineering - Google Patents
A prevention of seepage stagnant water structure for hydraulic and hydroelectric engineering Download PDFInfo
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- CN114753310B CN114753310B CN202210422456.1A CN202210422456A CN114753310B CN 114753310 B CN114753310 B CN 114753310B CN 202210422456 A CN202210422456 A CN 202210422456A CN 114753310 B CN114753310 B CN 114753310B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 230000002265 prevention Effects 0.000 title claims description 14
- 238000007789 sealing Methods 0.000 claims abstract description 162
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 239000010410 layer Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 14
- 239000004568 cement Substances 0.000 claims description 8
- 239000012945 sealing adhesive Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 10
- 108091006146 Channels Proteins 0.000 description 19
- 238000010586 diagram Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The invention discloses an anti-seepage water stopping structure for hydraulic and hydroelectric engineering, which comprises a left lower dam body and a left upper dam body, wherein a first connecting seam is arranged between the left upper dam body and the left lower dam body, a right lower dam body and a right upper dam body are arranged on the right sides of the left lower dam body and the left upper dam body, a second connecting seam is arranged between the left lower dam body and the right upper dam body, vertical seams are arranged between the left lower dam body, the left upper dam body, the right lower dam body and the right upper dam body, vertical sealing mechanisms are arranged outside the vertical seams, transverse sealing mechanisms are arranged outside the first connecting seam and the second connecting seam, drainage channels are arranged on the left lower dam body and the right lower dam body, and drainage mechanisms are arranged on the drainage channels. According to the invention, the first connecting seam and the second connecting seam are sealed through the vertical sealing mechanism and the horizontal sealing mechanism, water is prevented from penetrating into the first connecting seam and the second connecting seam to a great extent, and excessive water can be discharged through the drainage flow channel and the drainage mechanism and used for irrigating farmlands and the like, so that the flexibility is good and the practicability is high.
Description
Technical Field
The invention relates to the technical field of seepage prevention and water stop of hydraulic engineering, in particular to a seepage prevention and water stop structure for hydraulic and hydroelectric engineering.
Background
The construction history of building the dam by adopting the local materials is long, the method has the advantages of local materials, low requirement on geological conditions, simple and convenient construction, low cost and the like, is widely adopted, and has rich design, construction and operation management experience. Typically, the dam barrier includes a base barrier and a dam body barrier. The foundation seepage prevention is that a foundation seepage prevention facility is arranged at the joint position of the bottom of a dam body and a dam foundation, and the foundation seepage prevention facility is generally composed of a concrete connecting plate, a concrete base or a concrete toe board and the like which are directly built on a rock foundation or a covering layer foundation, and a seepage prevention wall and a grouting body which are arranged at the lower parts of the concrete connecting plate, the concrete base or the concrete toe board; the seepage prevention of the dam body is generally to arrange a seepage prevention panel on the upstream surface of the dam body.
The existing seepage-proofing and water-stopping structure comprises a first expansion concrete plate and a second expansion concrete plate, wherein the first expansion concrete plate is welded on one side outer wall of a dam, the second expansion concrete plate is welded on the top outer wall of the dam, a trapezoid mold cavity is welded at a position, close to the bottom, of one side outer wall of the first expansion concrete plate, the other side outer wall of the trapezoid mold cavity is welded on one side outer wall of the second expansion concrete plate, slurry is filled in the trapezoid mold cavity, and a second steel plate is welded on the top outer wall of the second expansion concrete plate.
Although solving the problems in the background art to some extent, there are still some problems:
1. rainwater easily flows into the sealing structure along the gap between the first expansion concrete slab and the concrete, so that the service life of the seepage-proofing sealing structure is reduced;
2. after long-time use, the outer side of the steel plate is deformed, gaps appear in the anti-seepage sealing structure, and the sealing effect is reduced.
Disclosure of Invention
The invention aims to provide an anti-seepage water stop structure for hydraulic and hydroelectric engineering, which is provided with a transverse sealing mechanism and a vertical sealing mechanism, wherein a first connecting seam, a second connecting seam and a vertical seam can be covered in a beautiful manner, water is prevented from penetrating into the first connecting seam, a drainage opening, a liquid guide groove and a drainage opening are arranged at the rear end of the transverse sealing mechanism, a small amount of penetrated water can be discharged, the first connecting seam and the second connecting seam are protected from corrosion, a drainage flow passage and a drainage mechanism are arranged at the lower end of the transverse sealing mechanism, the water level inside a dam is controlled through the expansion and contraction of an oil cylinder, redundant water can be discharged, and the anti-seepage water stop structure is used for irrigating farmlands and the like, and has good flexibility and high practicability.
In order to achieve the above purpose, the present invention provides the following technical solutions: the anti-seepage water stopping structure for the hydraulic and hydroelectric engineering comprises a lower left dam body and an upper left dam body, wherein the upper left dam body is arranged at the upper end of the lower left dam body, a first connecting seam is arranged between the lower left dam body and the lower left dam body, a lower right dam body and an upper right dam body are arranged on the right sides of the lower left dam body and the upper left dam body, a second connecting seam is arranged between the lower right dam body and the upper right dam body, a vertical seam is arranged among the lower left dam body, the upper left dam body, the lower right dam body and the upper right dam body, a vertical sealing mechanism is arranged outside the vertical seam, a transverse sealing mechanism is arranged outside the first connecting seam and the second connecting seam, a drainage runner is arranged on the lower left dam body and the lower right dam body, a drainage mechanism is arranged on the drainage runner, and an extension dam body is fixed at the lower end of the front face of the lower left dam body and the lower right dam body;
the vertical sealing mechanism comprises a vertical mounting groove, wherein the vertical mounting groove is arranged on a left lower dam body and a left upper dam body, a vertical sealing plate is arranged in the vertical mounting groove, and a first buffer sand layer and a first sealing adhesive layer are arranged in the vertical sealing plate;
the horizontal sealing mechanism comprises a horizontal mounting groove, a horizontal sealing plate is mounted on the horizontal mounting groove, mounting holes are formed in the upper end and the lower end of the front face of the horizontal sealing plate, a fixing assembly is arranged in each mounting hole, and a buffer sand II and a sealing adhesive layer II are arranged between the horizontal sealing plate and the lower left dam body, the upper left dam body, the lower right dam body and between the horizontal sealing plate and the upper right dam body.
Preferably, triangular grooves are formed in the outer sides of the first connecting seam and the second connecting seam, and insulating gel is arranged in the outer sides of the triangular grooves.
Preferably, the front surface of the vertical sealing plate is provided with a first drainage groove.
Preferably, the front surface of the transverse sealing plate is provided with a second drainage groove.
Preferably, the rear end of the transverse sealing plate is provided with a drainage port and a liquid guide groove, the drainage port is arranged at the upper end of the liquid guide groove, the tail end of the liquid guide groove is provided with a water outlet, the rear end of the liquid guide groove is provided with a support plate, the rear end of the support plate is fixedly provided with a sealing cavity, and a second buffer sand layer and a second sealing glue layer are arranged in the sealing cavity.
Preferably, the fixing component comprises an expansion ring I, the expansion ring I is arranged on the inner side of the mounting hole, a gasket I and a sealing ring I are arranged at the front end of the expansion ring I, a sealing ring II is arranged at the rear end of the expansion ring I, a top force spring and a connecting stud are arranged at the rear end of the sealing ring II, and the connecting stud penetrates through the expansion ring I, the top force spring, the gasket I, the sealing ring I and the sealing ring II to fix the transverse sealing plate.
Preferably, the drainage mechanism comprises a drainage assembly, the drainage assembly is arranged at the front end of the drainage flow channel, a buffer ring is arranged at the rear end of the drainage assembly, a conical tube is arranged at the rear end of the buffer ring, and a sealing connection assembly is fixed at the rear end of the conical tube.
Preferably, the drainage assembly comprises a water blocking column, a sealing ring III is arranged on the outer side of the water blocking column, a connecting plate is fixed at the rear end of the water blocking column, an oil cylinder is arranged on the connecting plate, the oil cylinder is arranged on the surface of the connecting plate, the other end of the oil cylinder is fixed in the drainage flow channel, and a reinforcing plate is arranged on the connecting plate.
Preferably, the sealing connection assembly comprises an expansion ring II, a threaded ring is arranged on the inner side of the expansion ring II through a connecting block, and check rings are arranged at the front end and the rear end of the threaded ring.
Preferably, the extension dam body comprises a main dam, a groove is formed in the right side of the surface of the main dam, expansion cement is arranged in the groove, and a waterproof layer is arranged on the upper surface of the expansion cement.
Compared with the prior art, the invention has the beneficial effects that: this a prevention of seepage stagnant water structure for hydraulic and hydroelectric engineering, the leakproofness is good, can get rid of infiltration wherein water, and the protection effect is good, and can realize the drainage in a flexible way, adjusts the water level, specifically does:
1. according to the anti-seepage water stop structure for the hydraulic and hydroelectric engineering, the first connecting joint and the second connecting joint are sealed through the vertical sealing mechanism and the horizontal sealing mechanism, water is prevented from penetrating into the first connecting joint and the second connecting joint to a great extent, a drainage port, a liquid guide groove and a drainage port are arranged at the rear end of the horizontal sealing mechanism, a small amount of penetrated water can be discharged, the first connecting joint and the second connecting joint are protected from corrosion, the sealing cavity is arranged at the rear end of the support plate, and the second buffer sand and the second sealing glue layer are arranged in the sealing cavity, so that the first connecting joint and the second connecting joint are further protected from corrosion while water impact is relieved;
2. according to the anti-seepage water stop structure for the hydraulic and hydroelectric engineering, the water drainage flow channel and the water drainage mechanism are arranged at the lower end of the transverse sealing mechanism, the water level inside the dam is controlled through the extension of the oil cylinder, redundant water can be discharged and used for irrigating farmlands and the like, flexibility is good, practicability is high, when the anti-seepage water stop structure is used, the oil cylinder is extended, the water stop column is enabled to move backwards, a gap is formed between the water stop column and the water drainage flow channel, water can pass through the water stop column, when the water drainage flow channel is required to be closed, the water stop column is enabled to move forwards, the gap formed between the water stop column and the water drainage flow channel is eliminated, and the sealing ring III is arranged on the outer side of the water stop column, so that sealing performance is enhanced.
Drawings
FIG. 1 is a diagram of the overall axial side structure of the present invention;
FIG. 2 is an overall oblique backside block diagram of the present invention;
FIG. 3 is a block diagram of the present invention;
FIG. 4 is a block diagram of the transverse sealing mechanism of the present invention;
FIG. 5 is a side cross-sectional view of the transverse sealing mechanism of the present invention;
FIG. 6 is a schematic diagram of the overall side cross-section of the present invention;
FIG. 7 is a block diagram of a securing assembly according to the present invention;
FIG. 8 is a view showing the construction of the inside of the drainage mechanism of the present invention;
FIG. 9 is an enlarged block diagram of the portion A of FIG. 4 in accordance with the present invention;
FIG. 10 is an enlarged block diagram of the portion B of FIG. 6 in accordance with the present invention;
FIG. 11 is an enlarged block diagram of FIG. 8C according to the present invention;
FIG. 12 is an enlarged block diagram of the portion D of FIG. 8 in accordance with the present invention;
FIG. 13 is a schematic view of the connection structure of the transverse seal mechanism and the transitional seal mechanism of the present invention;
fig. 14 is a schematic view of a connection structure of the transitional sealing mechanism of the present invention.
In the figure: 1. a left lower dam body; 11. a first connecting seam; 2. an upper left dam; 21. a vertical joint; 3. a right lower dam body; 31. a second connecting joint; 32. triangular grooves; 33. a water-insulating gel; 4. an upper right dam body; 5. a vertical sealing mechanism; 51. a vertical mounting groove; 52. a vertical sealing plate; 521. a first drainage tank; 53. buffering the first sand; 54. a first sealant layer; 6. a transverse sealing mechanism; 61. a transverse mounting groove; 62. a transverse sealing plate; 621. a second drainage tank; 622. a drainage port; 623. a liquid guiding groove; 624. a water outlet; 625. a support plate; 626. sealing the cavity; 63. a fixing assembly; 631. an expansion ring I; 632. a first gasket; 633. a first sealing ring; 634. a second sealing ring; 635. a top force spring; 636. a connecting stud; 64. a mounting hole; 65. buffering sand II; 66. a second sealant layer; 67. a transitional sealing mechanism; 671. a transition hole; 7. a drainage flow passage; 8. a drainage mechanism; 81. a drainage assembly; 811. water blocking column; 812. a third sealing ring; 813. a connecting plate; 814. an oil cylinder; 815. a reinforcing plate; 82. a buffer ring; 83. a conical tube; 84. sealing the connection assembly; 841. an expansion ring II; 842. a connecting block; 843. a retainer ring; 844. a thread ring; 9. extending a dam body; 91. a main dam; 92. expansion cement; 93. and a waterproof layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-3, an anti-seepage water stop structure for hydraulic and hydroelectric engineering comprises a lower left dam 1 and an upper left dam 2, wherein the upper left dam 2 is arranged at the upper end of the lower left dam 1, a first connecting seam 11 is arranged between the upper left dam 2 and the lower left dam 1, a lower right dam 3 and an upper right dam 4 are arranged on the right sides of the lower left dam 1 and the upper left dam 2, a second connecting seam 31 is arranged between the lower right dam 3 and the upper right dam 4, a vertical seam 21 is arranged between the lower left dam 1, the upper left dam 2 and the lower right dam 3 and between the upper right dam 4, a vertical sealing mechanism 5 is arranged outside the vertical seam 21, a transverse sealing mechanism 6 is arranged outside the first connecting seam 11 and the second connecting seam 31, a drainage channel 7 is arranged on the lower left dam 1 and the lower right dam 3, a drainage mechanism 8 is arranged on the drainage channel 7, and an extension body 9 is fixed at the front lower ends of the lower left dam 1 and the lower right dam 3;
the outer sides of the first connecting seam 11 and the second connecting seam 31 are provided with triangular grooves 32, and the outer sides of the triangular grooves 32 are provided with insulating gel 33;
with the combination of the structural characteristics, the working flow of the equipment is as follows: firstly, the vertical sealing mechanism 5 is arranged on the outer side of a vertical seam 21 between the left lower dam body 1, the left upper dam body 2, the right lower dam body 3 and the right upper dam body 4, the vertical seam 21 is sealed, then the transverse sealing mechanism 6 is arranged on the outer side of the first connecting seam 11 and the second connecting seam 31, when the vertical sealing mechanism is arranged, the side edge of the transverse sealing mechanism 6 props against the vertical sealing mechanism 5, waterproof paint is smeared at the joint, water is prevented from penetrating through the seam to influence the tightness, the water is prevented from penetrating into the first connecting seam 11 and the second connecting seam 31 effectively by the aid of the insulating gel 33 arranged in the triangular groove 32 on the outer side of the first connecting seam 11 and the second connecting seam 31, double protection is formed by matching with the transverse sealing mechanism 6, the seepage prevention effect is good, the drainage flow channel 7 can be opened when the water level is high, the water level is reduced, the drainage mechanism 8 is opened when the water is smoothly discharged through the drainage flow channel 7, and the drainage mechanism 8 is closed after the water level is reduced.
Embodiment two:
referring to fig. 1, 6 and 1, a seepage-proofing and water-stopping structure for hydraulic and hydroelectric engineering is disclosed, the vertical sealing mechanism 5 comprises a vertical mounting groove 51, the vertical mounting groove 51 is arranged on a left lower dam 1 and a left upper dam 2, a vertical sealing plate 52 is arranged in the vertical mounting groove 51, a first buffer sand 53 and a first sealing glue layer 54 are arranged in the vertical sealing plate 52, when the seepage-proofing and water-stopping structure is used, the vertical sealing plate 52 is scratched along the vertical mounting groove 51, a rear end bump of the vertical sealing plate 52 is clamped into the vertical mounting groove 51, fixation is realized, the first buffer sand 53 and the first sealing glue layer 54 arranged in the vertical sealing plate 52 not only can absorb permeated water, but also can play a role of buffering, the impact force of water received by the vertical mounting groove 51 is reduced, and after the installation is finished, waterproof paint is required to be smeared at a connecting gap, so that the sealing performance is further enhanced;
referring to fig. 1, in an anti-seepage water stop structure for hydraulic and hydroelectric engineering, a first drainage groove 521 is formed in the front surface of a vertical sealing plate 52, and when in use, water slapping on the vertical sealing plate 52 flows down along the first drainage groove 521;
in combination with the structural characteristics, the vertical seam 21 is covered by the vertical mounting groove 51, so that water is prevented from penetrating into the vertical seam 21, corroding the vertical seam 21 and further affecting the stability of the dam body structure.
Embodiment III:
referring to fig. 1, 4, 5 and 7, a seepage-proofing and water-stopping structure for hydraulic and hydroelectric engineering is disclosed, the transverse sealing mechanism 6 comprises a transverse mounting groove 61, a transverse sealing plate 62 is mounted on the transverse mounting groove 61, mounting holes 64 are formed in the upper end and the lower end of the front surface of the transverse sealing plate 62, a fixing assembly 63 is arranged in the mounting holes 64, a buffer sand two 65 and a sealing adhesive layer two 66 are arranged between the transverse sealing plate 62 and a left lower dam 1, a left upper dam 2, a right lower dam 3 and a right upper dam 4, and when in use, the transverse sealing plate 62 is scratched along the transverse mounting groove 61, the transverse sealing plate 62 is propped against the edge of the vertical sealing plate 52, waterproof paint is smeared at the edge gap, and then the transverse sealing plate 62 is tightly fixed on the dam by the fixing assembly 63;
referring to fig. 1, in an anti-seepage water stop structure for hydraulic and hydroelectric engineering, a drainage groove two 621 is formed in the front surface of a transverse sealing plate 62, and when in use, water slapping on the transverse sealing plate 62 flows down along the drainage groove two 621;
referring to fig. 4 and 9, in an anti-seepage water stop structure for hydraulic and hydroelectric engineering, a drainage port 622 and a liquid guide groove 623 are arranged at the rear end of a transverse sealing plate 62, the drainage port 622 is arranged at the upper end of the liquid guide groove 623, a water outlet 624 is arranged at the tail end of the liquid guide groove 623, a support plate 625 is arranged at the rear end of the liquid guide groove 623, a sealing cavity 626 is fixed at the rear end of the support plate 625, a second buffer sand 65 and a second sealing adhesive layer 66 are arranged in the sealing cavity 626, when water permeates into the transverse sealing plate 62, water firstly flows into the liquid guide groove 623 along the drainage port 622 and finally is discharged along the water outlet 624, so that water cannot permeate into other areas, the anti-seepage water stop structure is strong in protection, and a second buffer sand 65 and a second sealing adhesive layer 66 are arranged in the sealing cavity 626 to seal and protect a first connecting joint 11 and a second connecting joint 31, so that water is prevented from permeating into the first connecting joint 11 and the second connecting joint 31;
referring to fig. 7, a fixing component 63 includes an expansion ring one 631, the expansion ring one 631 is disposed inside a mounting hole 64, a gasket one 632 and a sealing ring one 633 are disposed at the front end of the expansion ring one 631, a sealing ring two 634 are disposed at the rear end of the expansion ring one 631, a top force spring 635 and a connection stud 636 are disposed at the rear end of the sealing ring two 634, the connection stud 636 passes through the expansion ring one 631, the top force spring 635, the gasket one 632, the sealing ring one 633 and the sealing ring two 634 to fix a transverse sealing plate 62, when in use, the gasket one 632 and the sealing ring one 633 are firstly placed into the mounting hole 64, the expansion ring one 631 is then mounted inside the mounting hole 64 and abuts against the gasket one 632, then a sealing ring two 634 is placed at the rear end of the expansion ring one 631, the connection stud 636 and the top force spring 635 are inserted inside the expansion ring one 631, the top force spring 635 provides a top force to firmly top the gasket one 632 and the sealing ring one 633, and the sealing performance is good;
by combining the structural characteristics, the invention realizes the sealing of the first connecting seam 11 and the second connecting seam 31 through the transverse sealing mechanism 6, so that water is prevented from penetrating into the gap of the dam body to a great extent, the dam body is protected from corrosion, and the service life of the dam body is prolonged.
Embodiment four:
referring to fig. 1, 8, 11 and 12, the drainage mechanism 8 comprises a drainage assembly 81, the drainage assembly 81 is arranged at the front end of a drainage channel 7, a buffer ring 82 is arranged at the rear end of the drainage assembly 81, a conical pipe 83 is arranged at the rear end of the buffer ring 82, a sealing connection assembly 84 is fixed at the rear end of the conical pipe 83, when the water-stop structure is used, the drainage channel 7 is opened and closed through the drainage assembly 81, the water level in a dam body is adjusted, the buffer ring 82 and the conical pipe 83 can reduce the water flow impact during drainage, the sealing connection assembly 84 is connected with a subsequent drainage pipeline, the sealing performance is good, and water leakage at the joint is avoided;
referring to fig. 8 and 11, a water leakage preventing and stopping structure for hydraulic and hydroelectric engineering is disclosed, the drainage assembly 81 comprises a water blocking column 811, a sealing ring III 812 is arranged outside the water blocking column 811, a connecting plate 813 is fixed at the rear end of the water blocking column 811, an oil cylinder 814 is arranged on the connecting plate 813, the oil cylinder 814 is arranged on the surface of the connecting plate 813, the other end of the oil cylinder is fixed in a drainage flow channel 7, the connecting plate 813 is provided with a reinforcing plate 815, when the drainage flow channel 7 needs to be opened, the oil cylinder 814 is extended, the water blocking column 811 moves backwards, a gap is formed between the water blocking column 811 and the drainage flow channel 7, water can pass through, when the drainage flow channel 7 needs to be closed, the water blocking column 811 moves forwards, and the gap formed between the water blocking column 811 and the drainage flow channel 7 disappears, wherein the sealing ring III 812 is arranged outside the water blocking column 811, the sealing property is enhanced, and the strength of the connecting plate 813 is enhanced by the reinforcing plate 815;
referring to fig. 8 and 12, a sealing connection assembly 84 comprises a second expansion ring 841, wherein a threaded ring 844 is mounted on the inner side of the second expansion ring 841 through a connection block 842, check rings 843 are arranged at the front end and the rear end of the threaded ring 844, when the sealing connection assembly is used, the second expansion ring 841 plays a sealing role, the check rings 843 play a positioning role, the threaded ring 844 is connected with a subsequent water pipe, the tightness is good, and water leakage can be avoided;
by combining the structural characteristics, the invention realizes the control of the water level at the inner side of the dam by arranging the drainage flow channel 7 and the drainage mechanism 8 at the lower end of the transverse sealing mechanism 6 and telescoping the oil cylinder 814, can drain the redundant water, is used for irrigating farmlands and the like, and has good flexibility and high practicability.
Fifth embodiment:
referring to fig. 1 and 8, an anti-seepage water stop structure for hydraulic and hydroelectric engineering is disclosed, the extension dam 9 comprises a main dam 91, a groove is formed on the right side of the surface of the main dam 91, expansion cement 92 is arranged in the groove, and a waterproof layer 93 is arranged on the upper surface of the expansion cement 92.
By combining the structural characteristics, the invention fills the gaps among the left lower dam body 1, the right lower dam body 3 and the extension dam body 9 by arranging the expansion cement 92 in the groove, and the waterproof layer 93 prevents water from penetrating in, so that the protection effect is good.
Example six:
referring to fig. 13 and 14, the number of the transverse sealing mechanisms is plural, the plural transverse sealing mechanisms are connected by a transition sealing mechanism 67, and the transition sealing mechanism 67 is configured in the same structure as the transverse sealing mechanism.
Further, a plurality of transition holes 671 are formed in two ends of the transition sealing mechanism, diameters of the transition holes are different, a plurality of stud bolts are connected to the transition holes, and the transition sealing mechanism is connected to the transverse sealing mechanism through the stud bolts.
To sum up: when the sealing device works, firstly, the vertical sealing mechanism 5 is arranged at the outer sides of the vertical joints 21 between the left lower dam body 1, the left upper dam body 2, the right lower dam body 3 and the right upper dam body 4, the vertical joints 21 are sealed, then the transverse sealing mechanism 6 is arranged at the outer sides of the first connecting joint 11 and the second connecting joint 31, when the sealing device is arranged, the side edge of the transverse sealing mechanism 6 props against the vertical sealing mechanism 5, waterproof paint is smeared at the joint, water is prevented from penetrating through the joints to influence the tightness, the water insulation gel 33 arranged in the triangular grooves 32 at the outer sides of the first connecting joint 11 and the second connecting joint 31 can effectively prevent the water from penetrating into the first connecting joint 11 and the second connecting joint 31, double protection is formed by matching with the transverse sealing mechanism 6, the sealing device has good seepage prevention effect, the drainage flow channel 7 can be opened when the water level is higher, the water level is reduced, when the drainage mechanism 8 is opened, the water smoothly flows out through the drainage flow channel 7, and after the water level is reduced, the drainage mechanism 8 is closed;
when the vertical sealing mechanism 5 is installed, the vertical sealing plate 52 is scratched along the vertical installation groove 51, the rear end of the vertical sealing plate 52 is clamped into the vertical installation groove 51 by the lug, fixing is achieved, when the transverse sealing mechanism 6 is installed, the transverse sealing plate 62 is scratched along the transverse installation groove 61, the transverse sealing plate 62 is propped against the edge of the vertical sealing plate 52, waterproof paint is coated at the edge gap, and then the transverse sealing plate 62 is tightly fixed on a dam body by the fixing assembly 63.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (2)
1. A prevention of seepage stagnant water structure for hydraulic and hydroelectric engineering, including lower left dam body (1) and upper left dam body (2), its characterized in that: the left upper dam body (2) is arranged at the upper end of the left lower dam body (1), a first connecting seam (11) is arranged between the left upper dam body (2) and the left lower dam body (1), a right lower dam body (3) and a right upper dam body (4) are arranged on the right sides of the left lower dam body (1) and the left upper dam body (2), a second connecting seam (31) is arranged between the right lower dam body (3) and the right upper dam body (4), a vertical seam (21) is arranged between the left lower dam body (1), the left upper dam body (2) and the right lower dam body (3) and between the right upper dam body (4), a vertical sealing mechanism (5) is arranged on the outer side of the vertical seam (21), a transverse sealing mechanism (6) is arranged on the outer side of the first connecting seam (11) and the second connecting seam (31), a drainage flow channel (7) is arranged on the left lower dam body (1) and the right lower dam body (3), a drainage mechanism (8) is arranged on the drainage flow channel (7), and the left lower dam body (1) and the right lower dam body (9) extend positively. The vertical sealing mechanism (5) comprises a vertical mounting groove (51), the vertical mounting groove (51) is formed in the lower left dam body (1) and the upper left dam body (2), a vertical sealing plate (52) is arranged in the vertical mounting groove (51), and a first buffer sand (53) and a first sealing adhesive layer (54) are arranged in the vertical sealing plate (52); the transverse sealing mechanism (6) comprises a transverse mounting groove (61), a transverse sealing plate (62) is mounted on the transverse mounting groove (61), mounting holes (64) are formed in the upper end and the lower end of the front face of the transverse sealing plate (62), fixing components (63) are arranged in the mounting holes (64), and buffer sand two (65) and a sealing adhesive layer two (66) are arranged between the transverse sealing plate (62) and the left lower dam (1), the left upper dam (2), the right lower dam (3) and the right upper dam (4);
triangular grooves (32) are formed in the outer sides of the first connecting joint (11) and the second connecting joint (31), and insulating gel (33) is arranged in the outer sides of the triangular grooves (32);
the front surface of the vertical sealing plate (52) is provided with a drainage groove I (521);
a drainage groove II (621) is formed in the front face of the transverse sealing plate (62);
the rear end of the transverse sealing plate (62) is provided with a drainage port (622) and a liquid guide groove (623), the drainage port (622) is arranged at the upper end of the liquid guide groove (623), the tail end of the liquid guide groove (623) is provided with a water outlet (624), the rear end of the liquid guide groove (623) is provided with a support plate (625), the rear end of the support plate (625) is fixedly provided with a sealing cavity (626), and a buffer sand two (65) and a sealing adhesive layer two (66) are arranged in the sealing cavity (626);
the fixing assembly (63) comprises an expansion ring I (631), the expansion ring I (631) is arranged on the inner side of the mounting hole (64), a gasket I (632) and a sealing ring I (633) are arranged at the front end of the expansion ring I (631), a sealing ring II (634) is arranged at the rear end of the expansion ring I (631), a top force spring (635) and a connecting stud (636) are arranged at the rear end of the sealing ring II (634), and the connecting stud (636) penetrates through the expansion ring I (631), the top force spring (635), the gasket I (632), the sealing ring I (633) and the sealing ring II (634) to fix the transverse sealing plate (62);
the drainage mechanism (8) comprises a drainage assembly (81), the drainage assembly (81) is arranged at the front end of the drainage runner (7), a buffer ring (82) is arranged at the rear end of the drainage assembly (81), a conical pipe (83) is arranged at the rear end of the buffer ring (82), and a sealing connection assembly (84) is fixed at the rear end of the conical pipe (83);
the drainage assembly (81) comprises a water blocking column (811), a sealing ring III (812) is arranged on the outer side of the water blocking column (811), a connecting plate (813) is fixed at the rear end of the water blocking column (811), an oil cylinder (814) is arranged on the connecting plate (813), the oil cylinder (814) is arranged on the surface of the connecting plate (813), the other end of the oil cylinder is fixed in the drainage flow channel (7), and a reinforcing plate (815) is arranged on the connecting plate (813);
the sealing connection assembly (84) comprises a second expansion ring (841), a threaded ring (844) is mounted on the inner side of the second expansion ring (841) through a connecting block (842), and check rings (843) are arranged at the front end and the rear end of the threaded ring (844).
2. The impermeable water stop structure for hydraulic and hydroelectric engineering according to claim 1, wherein: the extension dam body (9) comprises a main dam (91), a groove is formed in the right side of the surface of the main dam (91), expansion cement (92) is arranged in the groove, and a waterproof layer (93) is arranged on the upper surface of the expansion cement (92).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103233446A (en) * | 2013-04-03 | 2013-08-07 | 合肥工业大学 | Composite panel earth and rockfill dam and anti-seepage body construction method |
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| CN114753310A (en) | 2022-07-15 |
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