CN115573311A - Directional grouting device for earth dam - Google Patents
Directional grouting device for earth dam Download PDFInfo
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- CN115573311A CN115573311A CN202211452156.4A CN202211452156A CN115573311A CN 115573311 A CN115573311 A CN 115573311A CN 202211452156 A CN202211452156 A CN 202211452156A CN 115573311 A CN115573311 A CN 115573311A
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- sliding sleeve
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- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
-
- 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
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a directional grouting device for an earth dam, which relates to the field of grouting for the earth dam and comprises a T-shaped pipe, wherein the T-shaped pipe is divided into a first pipe and a second pipe from top to bottom, the pipe orifices of the first pipe and the second pipe are superposed, the inner diameters of the two pipes are consistent, and a positioning piece comprises a positioning sleeve, a bag sleeve and a sliding sleeve; the universal pipe fitting is arranged at the other pipe orifice of the second pipe; the invention takes the traction pipe and the sliding sleeve as base points, so that the tail opening of the universal pipe fitting bends towards the direction of tension, meanwhile, the sliding sleeve is enabled to slide towards the positioning sleeve from the second pipe, the bag sleeve is enabled to expand outwards and cling to the inner wall of the grouting channel, and the operation effect of synchronous control of positioning and grouting angles is implemented.
Description
Technical Field
The invention relates to the field of earth dam grouting, in particular to an earth dam directional grouting device.
Background
Aiming at the established earth dam engineering with engineering defects or hidden dangers, in order to improve the compactness, integrity, stability and seepage-proofing capability of a dam body, the slurry is uniformly injected into a stratum through a grouting pipe by utilizing the hydraulic pressure, air pressure or electrochemical principle, and the original loose soil grains or cracks are cemented into a whole in the modes of filling, permeating, extruding, compacting and the like to form a combined body with a new structure, high strength, high waterproof performance and good chemical property, so that the using purpose of repairing the defects or hidden dangers is achieved.
The filling type grouting is an important branch in the grouting type, and for the filling type grouting, before construction, the position of hidden danger needs to be determined, and then a channel suitable for a grouting pipe needs to be formed, so that the grouting pipe can be close to the hidden danger part at the most suitable distance along the extension mode of the channel.
The technical scheme is that the problem is solved by combining the concrete conditions of the earth dam, the realization difficulty of the requirements is quite high, and the reason is that a few earth dams are provided with fixed buildings, and secondly, the hidden danger position is just below the buildings, so that the opening of a channel in the fixed buildings is obviously difficult.
Disclosure of Invention
The invention aims to provide a directional grouting device for an earth dam, which aims to solve the technical problems of bending the orifice of a grouting pipe at a certain angle and positioning the grouting pipe inserted into a channel at the optimal height into the channel.
In order to solve the technical problems, the invention adopts the following technical scheme:
an earth dam directional grouting apparatus, comprising:
the T-shaped pipe is divided into a first pipe and a second pipe from top to bottom, wherein pipe orifices of the first pipe and the second pipe are overlapped, and the inner diameters of the two pipes are consistent;
the positioning part comprises a positioning sleeve, a bag sleeve and a sliding sleeve, wherein the positioning sleeve and the sliding sleeve are arranged above and below the second tube, the positioning sleeve is static at the second tube, the sliding sleeve slides to the second tube, the bag sleeve is arranged between the positioning sleeve and the sliding sleeve, and two ends of the bag sleeve are fixed to the adjacent ends of the positioning sleeve and the sliding sleeve;
the universal pipe fitting is arranged at the other pipe orifice of the second pipe;
the plurality of pulling pipes are annularly distributed and successively penetrate through the first pipe, the positioning sleeve and the sliding sleeve from top to bottom, one end part of one side of each pulling pipe is fixed to the tail part of the universal pipe fitting, and the inner diameter of a penetrating passage formed by the pulling pipes from the first pipe to the positioning sleeve is larger than that of a penetrating passage formed by the pulling pipes from the pulling pipes to the sliding sleeve;
the gripping part is arranged at the other end of the traction pipe, and introduces airflow into the traction pipe, so that the traction pipe expands into the through passages in the first pipe, the positioning sleeve and the sliding sleeve and is tightly arranged in the through passages at the sliding sleeve before the through passages at the first pipe and the positioning sleeve.
Preferably, the holding part is a grip with an air bag, and the air bag is fixed at the grip and is communicated with the traction tube.
Preferably, the holding member is a grip capable of adjusting the amount of the introduced air flow, and the grip capable of adjusting the amount of the introduced air flow comprises a pipe joint connected with the pulling pipe and a spiral pipe vertically installed at one end of the pipe joint;
the spiral pipe is communicated with the traction pipe, and the root of the spiral pipe is provided with a hole;
the spiral pipe is provided with a screwing head in threaded connection with the spiral pipe, a bag which is sleeved at the spiral pipe and communicated with the air hole is arranged between the screwing head and the pipe joint, and the bag is used for leading air flow into the traction pipe or leading the air flow in the traction pipe into the bag under pressure when the screwing head approaches or leaves the pipe joint.
Preferably, a gasket sleeved to the spiral tube is arranged at the spiral tube, one end of the gasket is fixed with the bag, and the other end of the gasket is rotatably connected with the screwing head.
Preferably, a bearing pipe which extends outwards compared with the pipe orifice of the second pipe is arranged in the second pipe, and the bearing pipe is used for bearing the second pipe and the universal pipe fitting.
Preferably, the universal pipe fitting comprises a ring sleeve sleeved at the position of the bearing pipe and a hose body arranged at the outward port of the ring sleeve, the inner diameter of the hose body is gradually narrowed from top to bottom, and a drawing pipe joint used for connecting a plurality of drawing pipes is arranged at the narrowest position of the hose body.
Preferably, the peripheral wall of the ring sleeve is provided with a plurality of traction pipe limiting grooves with the same number as the traction pipes, and the traction pipe limiting grooves are used for half-embracing the traction pipes so that the traction pipes are limited to move in the traction pipe limiting grooves.
Preferably, a slurry guide pipe is arranged at the other pipe orifice of the first pipe, and is externally connected with a grouting pipe.
Preferably, a plurality of elastic sheets are arranged around the periphery of the bag sleeve, the elastic sheets are bent outwards, and two ends of the elastic sheets are respectively connected to the positioning sleeve and the peripheral wall of the sliding sleeve.
The invention has the beneficial effects that:
the invention leads in air current to the drawing pipe through the holding piece, so that the drawing pipe expands in the through channel in the first pipe, the positioning sleeve and the sliding sleeve, and is tightly arranged in the through channel at the sliding sleeve before the through channel at the first pipe and the positioning sleeve, thereby forming the effect of fastening the drawing pipe and the sliding sleeve.
Drawings
FIG. 1 is a schematic view showing the construction of a directional grouting apparatus for an earth dam according to example 1;
FIG. 2 is a schematic structural diagram of the directional grouting apparatus according to embodiment 1 from another view angle;
FIG. 3 is a schematic perspective sectional view illustrating a directional grouting apparatus according to example 1;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of a split structure of the directional grouting apparatus of example 1 after the pulling pipe is removed;
FIG. 6 is a schematic view showing the construction of a directional grouting apparatus for an earth dam according to example 2;
FIG. 7 is a schematic structural diagram of a directional grouting apparatus according to embodiment 2 from another viewing angle;
FIG. 8 is a schematic view showing the overall structure of a grip member in the directional grouting apparatus according to example 2;
FIG. 9 is a schematic view of the structure of FIG. 8 with the sachet removed;
FIG. 10 is a schematic view of a directional grouting apparatus for an earth dam;
reference numerals: 1. a slurry guide pipe; 2. a grip; 21. a solenoid; 22. screwing the head; 23. bagging; 24. a pipe joint; 25. air holes; 3. pulling the tube; 4. a T-shaped pipe; 5. a positioning sleeve; 6. a bag sleeve; 7. a spring plate; 8. a sliding sleeve; 9. a universal pipe fitting; 91. sleeving a ring; 92. a traction tube limiting groove; 93. drawing the pipe joint; 94. a hose body; 10. a bearing pipe.
Detailed Description
The present invention will be further described with reference to the following detailed description and accompanying drawings, which are included to provide further understanding of the technical means, features, objects and effects achieved by the present invention, and the following embodiments are only preferred embodiments of the present invention, not all of which are described below. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
In the embodiment, the directional grouting device for the earth dam is provided, wherein a T-shaped pipe 4 is divided into a first pipe and a second pipe from top to bottom, the pipe orifices of the first pipe and the second pipe are superposed, the inner diameters of the two pipes are consistent, and the pipe thickness of the first pipe is larger than that of the second pipe;
after the T-shaped pipe 4 is arranged in place, a positioning piece, a universal pipe fitting 9, a traction pipe 3 and a holding piece 2 are sequentially arranged;
for the positioning element, it includes the locating sleeve 5, the bag sleeve 6 and the sliding bush 8, wherein, the locating sleeve 5 and the sliding bush 8 are sleeved to the second tube from top to bottom, it should be noted that, the locating sleeve 5 is static to the second tube, the sliding bush 8 slides to the second tube, the bag sleeve 6 is placed between the locating sleeve 5 and the sliding bush 8, and two ends of the bag sleeve 6 are fixed to the adjacent end parts of the locating sleeve 5 and the sliding bush 8, so far, when the sliding bush 8 approaches to the locating sleeve 5, the bag sleeve 6 expands outward gradually, so that the bag sleeve 6 is clung to the inner wall of the grouting channel to position the whole body;
for the universal pipe fitting 9, it is installed at the other pipe orifice of the second pipe, i.e. opposite to the first pipe;
for the pulling pipes 3, it is clear that one end of each pulling pipe 3 is compact, the thickness of each pulling pipe 3 is obviously changed after the pulling pipes are filled with the air flow, and in addition, the arrangement number of the pulling pipes 3 is determined by the bending precision of the universal pipe fittings 9, namely, the number of the pulling pipes 3 is in direct proportion to the bending precision of the universal pipe fittings 9;
accordingly, the plurality of pulling pipes 3 are annularly distributed and penetrate through the first pipe, the positioning sleeve 5 and the sliding sleeve 8 from top to bottom, one end part of one side of each pulling pipe is fixed to the tail part of the universal pipe fitting 9, and the inner diameter of a penetrating channel formed from the pulling pipe 3 to the first pipe and the positioning sleeve 5 is larger than that of a penetrating channel formed from the pulling pipe 3 to the sliding sleeve 8;
the grip member 2 is attached to the other end of the pulling tube 3, wherein the grip member 2 introduces an air flow into the pulling tube 3 to expand the pulling tube 3 into the through passage in the first tube, the positioning sleeve 5 and the sliding sleeve 8, and is tightly fitted in the through passage in the sliding sleeve 8 before the through passage in the first tube and the positioning sleeve 5, so that the universal tube 9 is bent toward the pulled portion in synchronization with the outward expansion of the cuff 6 when the grip member 2 pulls the pulling tube 3.
In the present embodiment, the grip 2 is a grip with an air bag fixed at the grip and communicating with the pulling tube 3, and it should be noted that the grip 2 has two different functions, and the two functions of the grip 2 in the present embodiment are described below:
a function (1) for connecting the pulling handle head to the pulling pipe (3) and pulling the pulling pipe (3);
and a function (2) of pinching the air bag to introduce the air flow in the air bag 3 into the pulling tube 3 and to expand the pulling tube 3 into the through passage in the first tube, the positioning sleeve 5 and the sliding sleeve 8.
Combining function (2), during the using period, the operator can adjust the expansion coefficient in the through channels from the traction pipe 3 to the first pipe, the positioning sleeve 5 and the sliding sleeve 8 by holding the holding piece 2 by hand, namely, press and pinch the air bag in advance to ensure that the through channel from the first pipe and the positioning sleeve 5 is tightly sealed in the through channel from the sliding sleeve 8, after the angle and the position of the grouting device are clear, the air flow in the air bag is continuously led into the traction pipe 3, and after the through channel from the traction pipe 3 to the first pipe, the positioning sleeve 5 and the sliding sleeve 8 is tightly sealed, the angle and the position of the grouting device are determined.
Referring to fig. 1-5, in the present embodiment, a directional grouting apparatus for an earth dam capable of positioning and adjusting a grouting angle in a grouting channel is provided, the directional grouting apparatus for an earth dam combines a grip 2, a pulling tube 3, a T-shaped tube 4 (a combination of a first tube and a second tube), a positioning sleeve 5, a bladder sleeve 6, a sliding sleeve 8, and a universal pipe 9, and after the grouting apparatus reaches the position and the angle in the grouting channel is established, an air bag at the grip 2 is pressed to expand the pulling tube 3 into the through channel of the first tube, the positioning sleeve 5, and the sliding sleeve 8, and the through channel is sealed in the through channel at the sliding sleeve 8 before the through channels at the first tube and the positioning sleeve 5, so as to form an effect of fastening the pulling tube 3 and the sliding sleeve 8, and accordingly, when the grip 2 is pulled, the pulling tube 3 and the sliding sleeve 8 are used as base points, the tail port of the universal pipe 9 is bent in a pulling direction, and at the same time, the sliding sleeve 8 is pushed to the positioning sleeve 5 to expand and the bladder sleeve 6 is pushed to the inner wall of the grouting channel, so as to perform a synchronous control of the grouting angle.
Example 2
In the embodiment, the directional grouting device for the earth dam is provided, wherein a T-shaped pipe 4 is divided into a first pipe and a second pipe from top to bottom, the pipe orifices of the first pipe and the second pipe are superposed, the inner diameters of the two pipes are consistent, and the pipe thickness of the first pipe is larger than that of the second pipe;
after the T-shaped pipe 4 is arranged in place, a positioning piece, a universal pipe fitting 9, a traction pipe 3 and a holding piece 2 are sequentially installed;
for the positioning element, it includes the locating sleeve 5, the bag sleeve 6 and the sliding bush 8, wherein, the locating sleeve 5 and the sliding bush 8 are sleeved to the second tube from top to bottom, it should be noted that, the locating sleeve 5 is static to the second tube, the sliding bush 8 slides to the second tube, the bag sleeve 6 is placed between the locating sleeve 5 and the sliding bush 8, and two ends of the bag sleeve 6 are fixed to the adjacent end parts of the locating sleeve 5 and the sliding bush 8, so far, when the sliding bush 8 approaches to the locating sleeve 5, the bag sleeve 6 expands outward gradually, so that the bag sleeve 6 is clung to the inner wall of the grouting channel to position the whole body;
for the universal pipe fitting 9, it is mounted at the other mouth of the second pipe, i.e. opposite to the first pipe;
for the pulling pipes 3, it is clear that one end of the pulling pipe 3 is dense, and the thickness of the pulling pipe 3 is obviously changed after the pulling pipe is filled with the air flow, and in addition, the arrangement number of the pulling pipes 3 is determined by the bending precision of the universal pipe fittings 9, that is, the number of the pulling pipes 3 is in direct proportion to the bending precision of the universal pipe fittings 9;
accordingly, the plurality of pulling pipes 3 are annularly distributed and penetrate through the first pipe, the positioning sleeve 5 and the sliding sleeve 8 from top to bottom, one end part of one side of each pulling pipe is fixed to the tail part of the universal pipe fitting 9, and the inner diameter of a penetrating channel formed from the pulling pipe 3 to the first pipe and the positioning sleeve 5 is larger than that of a penetrating channel formed from the pulling pipe 3 to the sliding sleeve 8;
the grip member 2 is attached to the other end of the pulling tube 3, wherein the grip member 2 introduces an air flow into the pulling tube 3 to expand the pulling tube 3 into the through passage in the first tube, the positioning sleeve 5 and the sliding sleeve 8, and is tightly fitted in the through passage in the sliding sleeve 8 before the through passage in the first tube and the positioning sleeve 5, so that the universal tube 9 is bent toward the pulled portion in synchronization with the outward expansion of the cuff 6 when the grip member 2 pulls the pulling tube 3.
Referring to fig. 6 to 9, unlike embodiment 1, the grip 2 is a grip capable of adjusting the amount of the introduced air flow, and the grip capable of adjusting the amount of the introduced air flow includes a pipe joint 24 connected to the pulling pipe 3 and a screw pipe 21 vertically installed at one side end of the pipe joint 24;
the spiral pipe 21 is communicated with the traction pipe 3, and the root part of the spiral pipe 21 is provided with a hole;
the spiral pipe 21 is provided with a screwing head 22 in threaded connection with the spiral pipe 21, a bag 23 which is sleeved at the spiral pipe 21 and communicated with an air hole 25 is arranged between the screwing head 22 and a pipe joint 24, and the bag is used for leading air flow into the traction pipe 3 or leading the air flow in the traction pipe 3 into the bag 23 by pressing the spiral pipe 21 when the screwing head 22 is close to or far away from the pipe joint 24.
In the present embodiment, how much of the airflow that can be introduced into the pulling tube 3 by the grip 2 is controlled, and the following description is given with reference to specific examples:
example (1), the screw head 22 is screwed to make the screw head 22 approach the pipe joint 24, during the approach period, pressure is applied to the bag 23 to guide the airflow in the bag 23 into the pulling tube 3, thereby expanding the pulling tube 3 into the through passage in the first tube, the positioning sleeve 5 and the sliding sleeve 8 according to the requirement, and sealing the through passage in the sliding sleeve 8 before the through passage in the first tube and the positioning sleeve 5;
example (2), the screwing head 22 is screwed to make the screwing head 22 approach the pipe joint 24, during the approach, pressure is applied to the bag 23 to guide the air flow in the bag 23 into the pulling pipe 3, so that the pulling pipe 3 expands into the through passage in the first pipe, the positioning sleeve 5 and the sliding sleeve 8, and the air flow in the bag 23 is continuously guided into the pulling pipe 3 before the through passage in the first pipe and the positioning sleeve 5 is tightly sealed in the through passage in the sliding sleeve 8, after the angle and the position of the grouting device are clear, the screwing head 22 is continuously screwed to make the air flow in the bag 23 continuously guided into the pulling pipe 3, and after the through passage in the pulling pipe 3, the first pipe, the positioning sleeve 5 and the sliding sleeve 8 is tightly sealed, the angle and the position of the grouting device are determined.
The structure of the universal joint 9 used in embodiments 1 and 2 is described below:
the universal pipe fitting 9 comprises a ring sleeve 91 sleeved at the position of the bearing pipe 10 and a hose body 94 arranged at an outward port of the ring sleeve 91, the inner diameter of the hose body 94 is gradually narrowed from top to bottom, and a drawing pipe joint 93 for connecting a plurality of drawing pipes 3 is arranged at the narrowest position of the hose body 94;
it should be noted that, referring to fig. 5, the pulling tube limiting grooves 92 with the same number as the plurality of pulling tubes 3 are disposed on the outer peripheral wall of the ring sleeve 91, and the pulling tube limiting grooves 92 half-embrace the pulling tubes 3, so that the pulling tubes 3 are limited to move in the pulling tube limiting grooves 92.
In the embodiments 1 and 2, the slurry guide pipe 1 is arranged at the other pipe opening of the first pipe, and the slurry guide pipe 1 is externally connected with the grouting pipe.
Referring to fig. 1 and 6, in embodiments 1 and 2, a plurality of resilient pieces 7 are surrounded on the periphery of the bag cover 6, the resilient pieces 7 are bent outward, and two ends of the resilient pieces 7 are respectively connected to the positioning sleeve 5 and the outer peripheral wall of the sliding sleeve 8.
The main matrix of the earth dam is soil, the soil can change in soil humidity along with the change of depth, namely, the depth is in positive correlation with the humidity, therefore, after the bag sleeve 6 is tightly attached to a grouting channel with higher humidity, the phenomenon that the contact friction force between the bag sleeve 6 and the inner wall of the channel is insufficient can occur in continuous grouting, therefore, a plurality of elastic sheets 7 surround the periphery of the bag sleeve 6, and the curvature change of the elastic sheets 7 is adjusted by a combination body of the sliding sleeve 8 and the positioning sleeve 5;
the working principle of the elastic sheet 7 is described below with reference to the deformation mechanism of the bag cover 6 in embodiments 1 and 2:
the main control component of the shape change of the bag sleeve 6 is a sliding sleeve 8, namely, the sliding sleeve 8 slides to the second pipe, or pushes or pulls the bag sleeve 6, therefore, by utilizing the sliding working characteristics of the sliding sleeve 8 to the second pipe, the two ends of the elastic sheets 7 are fixed to the positioning sleeve 5 and the sliding sleeve 8, so that when the sliding sleeve 8 slides to the second pipe, the elastic sheets 7 contact the inner wall of the grouting channel in advance of the bag sleeve 6, and extend into the wall of the grouting channel after the bag sleeve 6 contacts the inner wall of the grouting channel, and further fix the specific position of the whole device.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An earth dam directional grouting apparatus, comprising:
the T-shaped pipe is divided into a first pipe and a second pipe from top to bottom, wherein pipe orifices of the first pipe and the second pipe are superposed, and the inner diameters of the two pipes are consistent;
the positioning part comprises a positioning sleeve, a bag sleeve and a sliding sleeve, wherein the positioning sleeve and the sliding sleeve are arranged above and below the second pipe in a sleeved mode, the positioning sleeve is static at the second pipe, the sliding sleeve slides to the second pipe, the bag sleeve is arranged between the positioning sleeve and the sliding sleeve, and two ends of the bag sleeve are fixed to the adjacent end portions of the positioning sleeve and the sliding sleeve;
the universal pipe fitting is arranged at the other pipe orifice of the second pipe;
the traction pipes are annularly distributed and penetrate through the first pipe, the positioning sleeve and the sliding sleeve from top to bottom, one end part of one side of each traction pipe is fixed to the tail part of the universal pipe fitting, and the inner diameter of a through passage formed by the traction pipes to the first pipe and the positioning sleeve is larger than that of a through passage formed by the traction pipes to the sliding sleeve;
the gripping part is arranged at the other end of the traction pipe, and introduces airflow into the traction pipe, so that the traction pipe expands into the through passages in the first pipe, the positioning sleeve and the sliding sleeve and is tightly arranged in the through passages at the sliding sleeve before the through passages at the first pipe and the positioning sleeve.
2. The directional grouting device for the earth dam as claimed in claim 1, wherein: the holding piece is a handle with an air bag, and the air bag is fixed at the handle and communicated with the traction pipe.
3. The directional grouting device for the earth dam as claimed in claim 1, wherein: the holding piece is a handle capable of adjusting the amount of introduced air flow, and the handle capable of adjusting the amount of introduced air flow comprises a pipe joint connected with a traction pipe and a solenoid vertically arranged at one end of the pipe joint;
the spiral pipe is communicated with the traction pipe, and the root of the spiral pipe is provided with a hole;
the spiral pipe is provided with a screwing head in threaded connection with the spiral pipe, a bag which is sleeved at the spiral pipe and communicated with the air hole is arranged between the screwing head and the pipe joint, and when the screwing head is close to or far away from the pipe joint, the spiral pipe is pressed to introduce air flow into the traction pipe or introduce air flow in the traction pipe into the bag.
4. The directional grouting device for the earth dam as claimed in claim 3, wherein: the spiral tube is provided with a gasket sleeved to the spiral tube, one end of the gasket is fixed with the bag, and the other end of the gasket is rotationally connected with the screwing head.
5. The directional grouting device for the earth dam as claimed in claim 1, wherein: and a bearing pipe which extends outwards compared with the pipe orifice of the second pipe is arranged in the second pipe and is used for bearing the second pipe and the universal pipe fitting.
6. The directional grouting device for the earth dam of claim 5, wherein: the universal pipe fitting comprises a ring sleeve sleeved on the bearing pipe and a hose body arranged at the outward port of the ring sleeve, the inner diameter of the hose body is gradually narrowed from top to bottom, and a traction pipe joint used for connecting a plurality of traction pipes is arranged at the narrowest position of the hose body.
7. The directional grouting device for the earth dam as claimed in claim 6, wherein: the outer peripheral wall of the ring sleeve is provided with a plurality of traction pipe limiting grooves with the same number as the traction pipes, and the traction pipes are semi-embraced by the traction pipe limiting grooves, so that the traction pipes are limited to move in the traction pipe limiting grooves.
8. The directional grouting device for the earth dam as claimed in claim 1, wherein: and a slurry guide pipe is arranged at the other pipe orifice of the first pipe and is externally connected with a grouting pipe.
9. The directional grouting device for the earth dam as claimed in claim 1, wherein: the periphery of the bag sleeve is surrounded by a plurality of elastic sheets which are bent outwards, and two ends of the elastic sheets are respectively connected to the positioning sleeve and the peripheral wall of the sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211452156.4A CN115573311B (en) | 2022-11-21 | 2022-11-21 | Directional grouting device for earth dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211452156.4A CN115573311B (en) | 2022-11-21 | 2022-11-21 | Directional grouting device for earth dam |
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| Publication Number | Publication Date |
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| CN115573311A true CN115573311A (en) | 2023-01-06 |
| CN115573311B CN115573311B (en) | 2023-03-24 |
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| CN217325376U (en) * | 2022-01-11 | 2022-08-30 | 云南建投第一勘察设计有限公司 | Pressure grouting device for anchor head of anchor cable |
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| JP2004190426A (en) * | 2002-12-13 | 2004-07-08 | Nihonkai Gijutsu Consultants:Kk | Ground anchor work using bellmouth tube, and device and method for discharging grout material |
| JP2007186946A (en) * | 2006-01-16 | 2007-07-26 | Shin Gijutsu Koei Kk | Underground anchor driving-installation construction method |
| CN113481805A (en) * | 2021-07-08 | 2021-10-08 | 杭州伟业建设集团有限公司 | Grouting head positioning device and using method thereof |
| CN214940164U (en) * | 2021-07-18 | 2021-11-30 | 任建华 | Slip casting pipe leading-in device of soil between piles |
| CN217325376U (en) * | 2022-01-11 | 2022-08-30 | 云南建投第一勘察设计有限公司 | Pressure grouting device for anchor head of anchor cable |
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| CN115573311B (en) | 2023-03-24 |
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Effective date of registration: 20240208 Address after: 730000 No. 186, hongshangen West Road, Chengguan District, Lanzhou City, Gansu Province Patentee after: Gansu water conservancy Mechanization Engineering Co.,Ltd. Country or region after: China Patentee after: Gansu water conservancy and Hydropower Engineering Bureau Co.,Ltd. Address before: 730000 No. 186, hongshangen West Road, Chengguan District, Lanzhou City, Gansu Province Patentee before: Gansu water conservancy Mechanization Engineering Co.,Ltd. Country or region before: China |