CN114059505B - Hydropower station water inrush position grouting construction method and grouting equipment - Google Patents
Hydropower station water inrush position grouting construction method and grouting equipment Download PDFInfo
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- CN114059505B CN114059505B CN202111544104.5A CN202111544104A CN114059505B CN 114059505 B CN114059505 B CN 114059505B CN 202111544104 A CN202111544104 A CN 202111544104A CN 114059505 B CN114059505 B CN 114059505B
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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
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses grouting equipment for a water gushing part of a hydropower station, which comprises a water stop rod, wherein a sealing plate and a conical plate are fixedly sleeved on a rod body at the left end of the water stop rod, the sealing plate is positioned at the left side of the conical plate, an installation groove communicated with the outside is formed in the conical plate, swing plates which are uniformly distributed are rotatably installed on the side wall of the installation groove, and a top plate is fixedly installed at one end of the swing plates, which is far away from the water stop rod. Before grouting, the water stop rod is inserted into the water burst hole, and the water burst hole is plugged through the water stop rod and the sealing plate, so that the problem that water burst causes blocking influence on grouting is solved; the application range can be improved by arranging the conical plate; the outwards-extending top plate can improve the installation stability and the plugging effect of the conical plate, and after grouting, the consolidation grouting and the water-gushing position are isolated through the water stop rod and the sealing plate, so that the construction quality of grouting is better ensured.
Description
Technical Field
The invention relates to a grouting construction method and grouting equipment, in particular to a grouting construction method and grouting equipment for a water gushing part of a hydropower station.
Background
In curtain grouting construction engineering of a hydropower station, water gushing phenomenon in a hole possibly occurs during drilling, namely groundwater gushes up along the drilling, and water gushing can cause blocking influence on grouting work, so that curtain and consolidation grouting construction are carried out after the water gushing is plugged, and the curtain and consolidation grouting construction quality can be better guaranteed.
One chinese patent with publication number CN108999191B discloses a grouting water-surging treatment method, which comprises measuring water-surging pressure and water-surging flow, judging whether water-surging occurs, if water-surging occurs, raising grouting pressure, judging whether water-surging flow and water permeability are larger than preset value, if so, adjusting water-cement ratio, judging whether injection amount is larger than preset value, when injection amount is larger than preset value, further judging whether pressure rise and injection rate decrease within set time are obvious, if no obvious change occurs, performing out-of-grade grouting until screen grouting condition is reached. The water gushing is judged by measuring the water gushing flow, pressure and water permeability, and the water gushing problem is solved by adjusting the slurry water-cement ratio and screen slurry.
The grouting water-flooding treatment method has some problems that before grouting the water-flooding position, the water-flooding hole is not plugged, and if grouting is directly performed, the difficulty of grouting work is improved to a certain extent, in some water-flooding grouting schemes, the water-flooding position is plugged, the traditional water-flooding grouting plugging method needs an operator to manually insert a plugging rod into the water-flooding hole so as to avoid water from continuously and outwards flooding, the plugging rod has a simple structure, and the isolation effect on grouting slurry and the water-flooding hole is limited, so that the grouting water-flooding treatment method does not effectively solve the problems.
Disclosure of Invention
The invention aims to provide a grouting construction method and grouting equipment for a water gushing part of a hydropower station. For solving the problems of the background art.
The technical scheme of the invention is as follows: the utility model provides a hydropower station gushes water position grouting equipment, including the stagnant water pole, fixed shrouding and the conical plate of having cup jointed on the left end pole body of stagnant water pole, the shrouding is located the left side of conical plate, and the inside of conical plate is provided with the mounting groove with outside intercommunication, rotates on the lateral wall of mounting groove and installs evenly distributed's pendulum board, and the one end fixed mounting that the stagnant water pole was kept away from to the pendulum board has the roof.
In the grouting equipment for the water-gushing part of the hydropower station, the water stop rod body at the mounting groove is movably sleeved with the inner ring, the annular array is provided with a plurality of round rods, the other end of each round rod stretches into the chute arranged in the middle of the 1 swinging plate, one end of the swinging plate, which is close to the water stop rod, is rotationally connected with the side wall of the mounting groove, arc-shaped through holes corresponding to the positions are arranged on the sealing plate and the conical plate on the left side of the mounting groove in a displaying manner, and the connecting rod penetrates through the arc-shaped through holes and then stretches into the mounting groove and is fixedly connected with the inner ring.
Among the aforesaid hydropower station water-gushing position grouting equipment, annular array distributes on the lateral wall of every roof has the spout, and the activity card has 1 fly leaf in every spout, and the inside vertical slot that link up that is provided with of fly leaf is provided with the thimble in the slot that link up, and the spout bottom is provided with the boss, and the upper portion of boss stretches into in the slot that link up and supports the thimble, and spout middle part both sides respectively are equipped with 1 installation cavity, are provided with 1 elastic expansion piece in every installation cavity, and the both ends of elastic expansion piece rotate with fly leaf and thimble respectively and are connected.
In the grouting equipment for the water gushing part of the hydropower station, the elastic telescopic piece comprises a telescopic rod obliquely arranged in the installation cavity, two ends of the telescopic rod are respectively movably hinged with the ejector pin and the movable plate, two ends of the telescopic rod are fixedly provided with end plates, and a compression spring is sleeved on a telescopic rod body between the 2 end plates.
In the grouting equipment for the water gushing part of the hydropower station, the sliding groove is of a stepped structure with a large bottom and a small top, and the movable plate is of a T-shaped structure.
In the grouting equipment for the water gushing part of the hydropower station, counter bores are formed in the water stopping rod from left to right, mounting grooves communicated with the counter bores are distributed in the right end rod body in a circumferential array mode, flexible gaskets are mounted at the end parts of the mounting grooves, limiting plates are movably clamped in the mounting grooves in the inner sides of the flexible gaskets, a central plate is arranged in the counter bores between the limiting plates, a telescopic supporting rod is fixedly connected to the right end face of the central plate, and the other end of the supporting rod is fixed to the bottom face of the counter bores.
In the grouting equipment for the water gushing part of the hydropower station, the supporting rod comprises a telescopic rod, two ends of the telescopic rod are fixedly connected with the central plate and the bottom surface of the counter bore respectively, and the telescopic rod is sleeved with a supporting spring.
In the grouting equipment for the water gushing part of the hydropower station, the sealing plate is provided with the mounting holes.
A hydropower station water gushing position grouting construction method comprises the following steps:
s1, measuring water inflow pressure and water inflow before filling;
s2, preliminarily plugging the water gushing hole through grouting equipment;
s3, grouting from top to bottom in a sectional mode, wherein cement slurry with the water-cement ratio of 2:1 is adopted as grouting slurry;
s4, shortening the length of the section, and grouting the water-flushing section independently;
s5, correspondingly improving grouting pressure, wherein the grouting pressure is more than or equal to normal grouting pressure plus water flushing pressure;
s6, changing the process into pure pressure grouting;
s7, pouring thick slurry, wherein the thick slurry adopts cement slurry with the water-cement ratio of 0.5:1;
s8, pouring quick-setting slurry;
s9, adopting a slurry shielding measure after grouting is finished, wherein the slurry shielding time is more than or equal to 2 hours;
s10, closing slurry;
s11, after closing the slurry and ending, waiting for 48 hours;
s12, recharging.
In the grouting construction method for the water gushing part of the hydropower station, in the step S2, when the grouting method is segmented from top to bottom, a grouting plug at a contact section is placed across the contact surface of the concrete and the bedrock, and an orifice pipe is installed for 48 hours after grouting is finished; the preparation method of the quick setting slurry used in the step S7 comprises the steps of adding the common silicon cement into a slurry storage barrel for stirring, adding clay, bentonite, fly ash and a polycarboxylate water reducer in the stirring process, and stirring into uniform paste to prepare the quick setting slurry.
The invention has the beneficial effects that: compared with the prior art, the invention has the following advantages:
1. according to the grouting construction process and grouting equipment for the water gushing part of the hydropower station, before grouting, the water stop rod is inserted into the water gushing hole, and the water gushing hole is blocked by the water stop rod and the sealing plate, so that the problem that water gushing causes blocking influence on grouting is solved; the application range can be improved by arranging the conical plate; the outwards-extending top plate can improve the installation stability and the plugging effect of the conical plate, and after grouting, the consolidation grouting and the water-gushing position are isolated through the water stop rod and the sealing plate, so that the construction quality of grouting is better ensured.
2. According to the grouting construction process and grouting equipment for the water gushing part of the hydropower station, after grouting is carried out on the water gushing part, the grout is poured into the water stopping rod and extrudes the central plate to move, so that the central plate and the limiting plate are staggered, then the limiting plate is separated from the mounting groove under the pushing of the grout, the grout can be filled into the mounting groove and extrudes the flexible pad to expand outwards, and after the flexible pad is extruded outwards by the pressure of the grout, the friction force between the flexible pad and the water gushing hole can be further enhanced, and the mounting stability and the water blocking effect of the water stopping rod are further improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged partial view of portion A of FIG. 2 in accordance with the present invention;
FIG. 4 is a side cross-sectional view of the top plate and tapered plate connection of the present invention;
FIG. 5 is a side cross-sectional view of the connecting structure of the movable plate and the top plate of the present invention;
FIG. 6 is an enlarged view of the structure of the connection of the movable plate and the top plate of the present invention;
fig. 7 is an enlarged partial view of the portion B of fig. 2 in accordance with the present invention.
Reference numerals: 1. a water stop rod; 2. a sealing plate; 3. a conical plate; 4. a swinging plate; 5. a top plate; 6. an inner ring; 7. a round bar; 8. twisting the cap; 9. a connecting rod; 10. a movable plate; 11. a thimble; 12. an elastic expansion piece; 13. a boss; 14. a flexible pad; 15. a support rod; 16. a center plate; 17. a limiting plate; 18. and (5) mounting holes.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
Embodiments of the invention: a hydropower station water gushing position grouting construction method comprises the following steps:
s1, measuring the water inflow pressure and the water inflow amount before filling,
s2, preliminarily plugging the water gushing hole through grouting equipment;
s3, grouting from top to bottom in a sectional mode, wherein cement slurry with the water-cement ratio of 2:1 is adopted as grouting slurry;
s4, shortening the length of the section, and grouting the water-flushing section independently;
s5, correspondingly improving grouting pressure, wherein the grouting pressure is more than or equal to normal grouting pressure plus water flushing pressure;
s6, changing the process into pure pressure grouting;
s7, pouring thick slurry, wherein the thick slurry adopts cement slurry with the water-cement ratio of 0.5:1;
s8, pouring quick-setting slurry;
s9, taking slurry shielding measures after grouting is finished, wherein the slurry shielding time is not less than 2 hours;
s10, closing slurry;
s11, after closing the slurry and ending, waiting for 48 hours;
s12, recharging.
In the step S2, in the top-down sectional grouting method, a grouting plug at the contact section is placed across the contact surface of the concrete and the bedrock, and an orifice pipe is installed for 48 hours after grouting is finished.
The preparation method of the quick setting slurry used in the step S7 comprises the steps of adding the common silica cement into a slurry storage barrel for stirring, adding clay, bentonite, fly ash and a polycarboxylate water reducer in the stirring process, and stirring into uniform paste to prepare the quick setting slurry.
The utility model provides a hydropower station gushes water position grouting equipment, as shown in fig. 1-7, this grouting equipment is applicable to among the above-mentioned hydropower station gushes water position grouting construction method, including stagnant water pole 1, stagnant water pole 1's inside is hollow form, stagnant water pole 1's left end outside fixed mounting has shrouding 2 and conical plate 3, shrouding 2 is located conical plate 3's left side, conical plate 3's inside is provided with the mounting groove with outside intercommunication, install evenly distributed's pendulum board 4 on the lateral wall of mounting groove rotation, pendulum board 4 keeps away from stagnant water pole 1's one end fixed mounting has roof 5.
During operation, before grouting the water gushing position, the water stop rod 1 is inserted into the water gushing hole, and the water gushing hole is plugged through the water stop rod 1 and the sealing plate 2, so that the problem that water gushing causes blocking influence on grouting is solved. Through setting up conical plate 3, can block the water hole that gushes that the opening part bore is bigger, improve application scope. After inserting the tapered plate 3 into the water gushing hole, the swinging plate 4 is rotated, so that the top plate 5 extends to the outer side of the tapered plate 3 and is inserted into the water gushing hole, the installation stability of the tapered plate 3 is improved, and meanwhile, the overhanging top plate 5 also has a certain water blocking effect, and the blocking effect on water gushing is further improved. After grouting is carried out on the water gushing position, grout can be poured into the water stop rod 1, after the grout is solidified, the solidified grouting and the water gushing position are isolated through the water stop rod 1 and the sealing plate 2, and the construction quality of grouting is better guaranteed.
As shown in fig. 1 to 4, the shaft of the water stop rod 1 at the installation groove is movably sleeved with 1 inner ring 6, the annular array on the inner ring 6 is provided with a plurality of round rods 7, the other end of each round rod 7 extends into a chute arranged in the middle of 1 swinging plate 4, one end of the swinging plate 4, which is close to the water stop rod 1, is rotationally connected with the side wall of the installation groove, arc through holes corresponding to the positions are arranged on the sealing plate 2 and the conical plate 3 on the left side of the installation groove in a displaying manner, a connecting rod 9 penetrates through the arc through holes and then extends into the installation groove and is fixedly connected with the inner ring 6, the end of the connecting rod 9, which is positioned on the outer side of the sealing plate 2, is fixedly connected with a torsion cap 8, and the interior of the torsion cap 8 is provided with a through hole communicated with the water stop rod 1.
During operation, after the water stop rod 1 and the conical plate 3 are inserted into the water gushing hole, the torsion cap 8 is positioned at the outer side of the water gushing hole, the torsion cap 8 is rotated, the torsion cap 8 drives all round rods 7 to rotate through the connecting rod 9 and the inner ring 6, the round rods 7 drive the swinging plate 4 to rotate through the chute, the swinging plate 4 and the top plate 5 outwards extend, the synchronous outwards extending function of all the top plates 5 is realized, and the rotary water gushing device is simple in structure and convenient to operate.
As shown in fig. 1 to 6, a movable plate 10 which is uniformly distributed is movably inserted in the annular side wall of the top plate 5, a sliding groove corresponding to the movable plate 10 is formed in the top plate 5, a thimble 11 is movably inserted in the movable plate 10, a through groove corresponding to the thimble 11 is formed in the movable plate 10, 1 mounting cavity is respectively formed in two sides of the middle of the sliding groove, 1 elastic expansion piece 12 is arranged in each mounting cavity, two ends of the elastic expansion piece 12 are respectively and rotatably connected with the movable plate 10 and the thimble 11, a boss 13 is fixedly mounted on the inner bottom wall of the sliding groove, and the boss 13 extends into the through groove and props against the thimble 11.
In operation, in the initial state, the ejector pin 11 is fixed inside the movable plate 10 under the action of the elastic telescopic member 12, and the movable plate 10 is kept fixed in position in the top plate 5 because the ejector pin 11 is supported by the boss 13. When the top plate 5 stretches out the back outwards, fly leaf 10 and gush water hole contact, and fly leaf 10 is pushed inwards to remove, and this in-process thimble 11 is blocked unable removal by boss 13, consequently, fly leaf 10 and thimble 11 take place relative movement, and when fly leaf 10 moved the tank bottom of spout, thimble 11 stretches out the outside to fly leaf 10 and inserts gush water downthehole, through setting up thimble 11 and further strengthen fly leaf 10 and gush water hole's connection stability, and then improved the stability of inserting of sealing rod 1.
As shown in fig. 6, the elastic expansion piece 12 includes an expansion rod obliquely installed in the installation cavity, two ends of the expansion rod are movably hinged with the thimble 11 and the movable plate 10 respectively, two ends of the expansion rod are fixedly installed with end plates, and a compression spring is installed between the two end plates and outside the expansion rod. When the ejector pin 11 is in operation, after the movable plate 10 and the ejector pin 11 relatively move, the inclination direction of the elastic telescopic piece 12 changes, in the process, the pressure spring is compressed and stored energy firstly, then energy is released in the extension process, and the spring can give the ejector pin 11 impact force when in extension, so that the ejector pin 11 rapidly extends outwards and is inserted into a water gushing hole, and the insertion effect of the ejector pin 11 is improved.
The sliding groove is of a stepped structure with a large bottom and a small top, and the movable plate 10 is of a T-shaped structure. The movable plate 10 is clamped in the sliding groove and is limited by the sliding groove to prevent the movable plate from falling out of the sliding groove.
As shown in fig. 1 to 7, the ring side wall at the right end of the water stop rod 1 is provided with uniformly distributed mounting grooves, a flexible pad 14 is arranged in each mounting groove, a supporting rod 15 is arranged on the inner right wall of the water stop rod 1, a central plate 16 is fixedly arranged on the left side of the supporting rod 15, a limiting plate 17 is movably inserted into each mounting groove at the inner side of each flexible pad 14, and the limiting plate 17 is positioned between each flexible pad 14 and the central plate 16.
During operation, in the process of inserting the water stop rod 1 into the water gushing hole, the outer side of the flexible pad 14 is extruded by the water gushing hole, the inner side of the flexible pad 14 is blocked by the limiting plate 17 and the central plate 16, and the flexible pad 14 can be kept stable. After grouting the water gushing part, grout is poured into the water stopping rod 1 and extrudes the central plate 16 to move, so that the central plate 16 and the limiting plate 17 are staggered, then the limiting plate 17 is separated from the mounting groove under the pushing of the grout, the grout can be filled into the mounting groove and extruded to expand outwards, and after the flexible pad 14 is extruded by the pressure of the grout to protrude outwards, the friction force between the flexible pad 14 and the water gushing hole can be further enhanced, and the mounting stability and the water stopping effect of the water stopping rod 1 are improved.
As shown in fig. 7, the supporting rod 15 includes a telescopic rod, two ends of the telescopic rod are fixedly connected with the inner right wall of the water stop rod 1 and the central plate 16, and a supporting spring is mounted on the telescopic rod. During operation, through the arrangement, the central plate 16 keeps fixed in position under the action of the supporting rods 15, and the limiting plate 17 is stably clamped in the mounting groove; after the grout is poured into the water stop rod 1, the center plate 16 and the support rods 15 are pushed to move, so that the center plate 16 is staggered from the limit plates 17.
The sealing plate 2 is provided with mounting holes 18. During operation, after the water stop rod 1 is inserted into the water gushing hole, bolts or expansion screws can be installed in the installation holes 18, the sealing plate 2 is fixed on the wall surface of the water gushing hole, and the stability and water blocking effect of the sealing plate 2 are improved.
Working principle:
before grouting the water gushing part, the water stop rod 1 is inserted into the water gushing hole, and the water gushing hole is plugged through the water stop rod 1 and the sealing plate 2, so that the problem that water gushing causes blocking influence on grouting is solved. Through setting up conical plate 3, can block the water hole that gushes that the opening part bore is bigger, improve application scope. After inserting the tapered plate 3 into the water gushing hole, the swinging plate 4 is rotated, the top plate 5 extends to the outer side of the tapered plate 3 and is inserted into the water gushing hole, so that the installation stability of the tapered plate 3 is improved, meanwhile, the overhanging top plate 5 also has a certain water blocking effect, the blocking effect on water gushing is further improved, when grouting is carried out on the water gushing part, slurry can be filled into the water stopping rod 1, after the slurry is solidified, the solidified grouting and the water gushing part are isolated through the water stopping rod 1 and the sealing plate 2, and the construction quality of grouting is better ensured.
After the water stop rod 1 and the conical plate 3 are inserted into the water gushing hole, the torsion cap 8 is positioned at the outer side of the water gushing hole, the torsion cap 8 is rotated, the torsion cap 8 drives all round rods 7 to rotate through the connecting rod 9 and the inner ring 6, the round rods 7 drive the swinging plate 4 to rotate through the chute, the swinging plate 4 and the top plate 5 extend outwards, the synchronous outwards extending function of all the top plates 5 is realized, and the rotary water gushing device is simple in structure and convenient to operate.
In the initial state, the thimble 11 is fixed inside the movable plate 10 under the action of the elastic telescopic member 12, and the movable plate 10 is kept fixed in position in the top plate 5 because the thimble 11 is supported by the boss 13. When the top plate 5 stretches out the back outwards, fly leaf 10 and gush water hole contact, and fly leaf 10 is pushed inwards to remove, and this in-process thimble 11 is blocked unable removal by boss 13, consequently, fly leaf 10 and thimble 11 take place relative movement, and when fly leaf 10 moved the tank bottom of spout, thimble 11 stretches out the outside to fly leaf 10 and inserts gush water downthehole, through setting up thimble 11 and further strengthen fly leaf 10 and gush water hole's connection stability, and then improved the stability of inserting of sealing rod 1.
After the movable plate 10 and the thimble 11 relatively move, the inclination direction of the elastic telescopic piece 12 changes, in the process, the pressure spring is compressed and stored energy, then energy is released by extension, and the spring can give the thimble 11 impact force when being extended, so that the thimble 11 rapidly extends outwards and is inserted into a water gushing hole, and the insertion effect of the thimble 11 is improved.
During the process of inserting the water stop rod 1 into the water gushing hole, the outer side of the flexible pad 14 is pressed by the water gushing hole, the inner side of the flexible pad 14 is blocked by the limiting plate 17 and the central plate 16, and the flexible pad 14 can be kept stable. After grouting the water gushing part, grout is poured into the water stopping rod 1 and extrudes the central plate 16 to move, so that the central plate 16 and the limiting plate 17 are staggered, then the limiting plate 17 is separated from the mounting groove under the pushing of the grout, the grout can be filled into the mounting groove and extruded to expand outwards, and after the flexible pad 14 is extruded by the pressure of the grout to protrude outwards, the friction force between the flexible pad 14 and the water gushing hole can be further enhanced, and the mounting stability and the water stopping effect of the water stopping rod 1 are improved.
The central plate 16 keeps fixed in position under the action of the supporting rods 15, and the limiting plate 17 is stably clamped in the mounting groove; after the grout is poured into the water stop rod 1, the center plate 16 and the support rods 15 are pushed to move, so that the center plate 16 is staggered from the limit plates 17.
After the water stop rod 1 is inserted into the water gushing hole, bolts or expansion screws can be installed in the installation holes 18, the sealing plate 2 is fixed on the wall surface of the water gushing hole, and the stability and water blocking effect of the sealing plate 2 are improved.
Claims (4)
1. Hydropower station gushes water position grouting equipment, its characterized in that: the sealing plate (2) is fixedly sleeved on a rod body at the left end of the water stop rod (1), the sealing plate (2) is positioned at the left side of the conical plate (3), an installation groove communicated with the outside is formed in the conical plate (3), swing plates (4) which are uniformly distributed are rotatably installed on the side wall of the installation groove, and a top plate (5) is fixedly installed at one end, far away from the water stop rod (1), of the swing plates (4);
the water stop rod (1) at the mounting groove is movably sleeved with an inner ring (6), a plurality of round rods (7) are annularly arranged on the inner ring (6), the other end of each round rod (7) stretches into a chute arranged in the middle of 1 swinging plate (4), one end of the swinging plate (4) close to the water stop rod (1) is rotatably connected with the side wall of the mounting groove, a plurality of arc through holes corresponding to positions are arranged on the sealing plate (2) and the conical plate (3) at the left side of the mounting groove in a displaying manner, a connecting rod (9) penetrates through the arc through holes and then stretches into the mounting groove and is fixedly connected with the inner ring (6), and the end part of the connecting rod (9) positioned at the outer side of the sealing plate (2) is fixedly connected with the torsion cap (8);
the side wall of each top plate (5) is annularly provided with a sliding groove in an array, 1 movable plate (10) is movably clamped in each sliding groove, a through groove is vertically arranged in each movable plate (10), a thimble (11) is movably arranged in each through groove, a boss (13) is arranged at the bottom of each sliding groove, the upper part of each boss (13) stretches into each through groove and props against the thimble (11), 1 mounting cavity is respectively arranged on two sides of the middle part of each sliding groove, 1 elastic telescopic piece (12) is arranged in each mounting cavity, and two ends of each elastic telescopic piece (12) are respectively connected with the movable plate (10) and the thimble (11) in a rotating mode;
the elastic telescopic piece (12) comprises a telescopic rod obliquely arranged in the mounting cavity, two ends of the telescopic rod are respectively movably hinged with the thimble (11) and the movable plate (10), two ends of the telescopic rod are fixedly provided with end plates, and a compression spring is sleeved on a telescopic rod body between the 2 end plates;
the sliding chute is of a stepped structure with a large bottom and a small top, and the movable plate (10) is of a T-shaped structure.
2. The hydropower station water flooding site grouting equipment according to claim 1, wherein: the sealing rod is characterized in that counter bores are formed in the sealing rod (1) from left to right, mounting grooves communicated with the counter bores are distributed in a circumferential array on the rod body at the right end of the sealing rod, a flexible pad (14) is mounted at the end part of each mounting groove, a limiting plate (17) is movably clamped in each mounting groove on the inner side of each flexible pad (14), a central plate (16) is arranged in the counter bores between the limiting plates (17), a telescopic supporting rod (15) is fixedly connected to the right end face of each central plate (16), and the other end of each supporting rod (15) is fixed to the bottom face of each counter bore.
3. The hydropower station water flooding site grouting equipment according to claim 2, wherein: the support rod (15) comprises a telescopic rod, two ends of the telescopic rod are fixedly connected with the central plate (16) and the bottom surface of the counter bore respectively, and a support spring is sleeved on the telescopic rod.
4. The hydropower station water flooding site grouting equipment according to claim 1, wherein: and the sealing plate (2) is provided with mounting holes (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544104.5A CN114059505B (en) | 2021-12-16 | 2021-12-16 | Hydropower station water inrush position grouting construction method and grouting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544104.5A CN114059505B (en) | 2021-12-16 | 2021-12-16 | Hydropower station water inrush position grouting construction method and grouting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114059505A CN114059505A (en) | 2022-02-18 |
| CN114059505B true CN114059505B (en) | 2023-08-25 |
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| CN202111544104.5A Active CN114059505B (en) | 2021-12-16 | 2021-12-16 | Hydropower station water inrush position grouting construction method and grouting equipment |
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| CN101761345A (en) * | 2010-01-12 | 2010-06-30 | 中国建筑西南勘察设计研究院有限公司 | Reinforcement device for tunnel top soil and construction method thereof |
| WO2014139252A1 (en) * | 2013-03-15 | 2014-09-18 | 中国十七冶集团有限公司 | Method for constructing large raft foundation in high-temperature environment |
| CN111997073A (en) * | 2020-08-15 | 2020-11-27 | 广东劲拓建设工程有限公司 | Air bag type curtain leakage blocking device and method |
| CN112095552A (en) * | 2020-09-14 | 2020-12-18 | 中国水电基础局有限公司 | High-water-head large-water-burst micro-crack dense-development geological curtain grouting construction process |
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