CN108915634B - Grouting hole segmenting device based on electromagnetic sealing - Google Patents
Grouting hole segmenting device based on electromagnetic sealing Download PDFInfo
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- CN108915634B CN108915634B CN201810111042.0A CN201810111042A CN108915634B CN 108915634 B CN108915634 B CN 108915634B CN 201810111042 A CN201810111042 A CN 201810111042A CN 108915634 B CN108915634 B CN 108915634B
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- grouting
- electromagnetic
- slip casting
- coil
- rigid support
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- 238000007789 sealing Methods 0.000 title abstract description 9
- 239000011440 grout Substances 0.000 claims abstract description 33
- 238000007569 slipcasting Methods 0.000 claims description 21
- 230000011218 segmentation Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims 3
- 241000410367 Clerodendrum thomsoniae Species 0.000 claims 2
- 230000036632 reaction speed Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 10
- 230000005389 magnetism Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a grouting hole segmenting device based on electromagnetic sealing, which comprises grouting pipes, wherein a plurality of grouting hole segmenting film bag inner flower holes are equidistantly arranged on the grouting pipes, grouting hole segmenting film bags are sleeved on the grouting pipes positioned outside the flower holes in the grouting hole segmenting film bags, grouting pipe fixed-pressure films are arranged at the middle positions of the side surfaces of two grouting hole segmenting film bags, which are close to each other, a stratum grouting flower hole is arranged below the grouting pipe fixed-pressure films, a group of electromagnetic grout stop plug guide rods are arranged at the bottoms of the stratum grouting flower holes, electromagnetic grout stop plugs are fixed at one ends of the electromagnetic grout stop plug guide rods, and the electromagnetic grout stop plugs are positioned inside the grouting pipes. The electromagnetic grout stop plug is designed, the electromagnetic grout stop plug can be tightly attached to the grouting pipe after being propped open, the generated friction force can resist higher grouting pressure, a large gap between the electromagnetic grout stop plug and the grouting pipe can be kept after the electromagnetic grout stop plug is contracted, the electromagnetic grout stop plug can move up and down conveniently, the use cost is reduced, the reaction speed of grout is accelerated, and the electromagnetic grout stop plug is convenient to use and suitable for popularization.
Description
Technical Field
The invention relates to the technical field of grouting holes, in particular to a grouting hole segmenting device based on electromagnetic sealing.
Background
At present, the core of the subsection in the grouting hole is a grouting pipe inner stop plug, and the core of the subsection in the grouting hole is a separating device between the grouting pipe and the grouting hole. In the existing device, the grout stop plug and the separating device are involved, but the concrete structure of the grout stop plug is not mentioned. The diameter of the conventional rubber and mechanical grout stop plug is close to that of the grouting hole, the rubber deforms to generate friction force to seal the grouting pipe, and the rubber rebounds to deform to form a gap so as to provide conditions for the movement of the grout stop plug. During high-pressure grouting, the friction force can not resist the grouting pressure, so that the sealing failure of a grouting pipe is caused; when quick set cement is injected, the gap is easily blocked by the coagulated cement, and the grout stop plug cannot move.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a grouting hole segmenting device based on electromagnetic sealing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a grouting hole segmenting device based on electromagnetic sealing comprises a grouting pipe, wherein a plurality of grouting hole segmenting film bag inner flower holes are arranged on the grouting pipe at equal distances, grouting hole segmenting film bags are sleeved on the grouting pipe outside the grouting hole segmenting film bag inner flower holes, a grouting pipe fixed-pressure film is arranged at the middle position of one side face of each two grouting hole segmenting film bags close to each other, a stratum grouting flower hole is arranged below the grouting pipe fixed-pressure film, a group of electromagnetic stop plug guide rods are arranged at the bottom of the stratum grouting flower hole, an electromagnetic stop plug is fixed at one end of each electromagnetic stop plug guide rod and located inside the grouting pipe, each electromagnetic stop plug comprises a flexible wall, an adiabatic guide rod, a rigid support plate, a rigid support rod, a first coil and a second coil, a group of rigid support plates are fixedly connected on the inner walls of the two sides of the flexible wall, and one rigid support rod is hinged to one side of the rigid support plates close to each other, one side that two sets of rigid support rods are close to each other all articulates on the both sides lateral wall of first coil, and the inside of first coil and second coil all is provided with the magnetic guide bar that insulates, and magnetic guide bar and second coil fixed connection, electromagnetism stop thick liquid stopper guide bar and flexible wall fixed connection.
Preferably, the flexible wall is located between the both sides inner wall of slip casting pipe, and the one end of electromagnetism stop the thick liquid stopper guide bar runs through the flexible wall to extend to the inside of flexible wall and link to each other with the bar of magnetism insulation guide, first coil and second coil all twine on the iron core of bar of magnetism insulation guide.
Preferably, the rigid support rod and the first coil are hinged to form an umbrella-shaped structure, and the rigid support rod and the rigid support plate are hinged to form the umbrella-shaped structure.
Preferably, the flexible wall is of an oval configuration.
The invention has the beneficial effects that:
1. by designing the electromagnetic grout stop plug, the grouting pipe, the grouting hole segmented film bag, the grouting pipe fixed-pressure film and the electromagnetic grout stop plug, segmented grouting in loose and weak surrounding rocks or even water-rich surrounding rocks can be realized, the strength of the surrounding rocks is improved layer by layer through segmented grouting, and the problem that shallow surrounding rocks are difficult to enter deep surrounding rocks due to grout leakage is solved;
2. stop the thick liquid stopper through the design, can closely laminate the slip casting pipe after strutting, produce frictional force and can resist higher slip casting pressure, can keep after the shrink with the big clearance of slip casting pipe, conveniently reciprocate, reduced use cost for the reaction rate of thick liquid, convenient to use is fit for promoting.
Drawings
FIG. 1 is a schematic structural diagram of a grouting hole segmentation device based on electromagnetic closure before intra-hole segmentation;
FIG. 2 is a schematic structural diagram of stratum grouting after in-hole segmentation in a grouting hole segmentation device based on electromagnetic closure according to the present invention;
fig. 3 is a structural diagram of an electromagnetic grout stop plug in a grouting hole segmenting device based on electromagnetic sealing.
In the figure: the grouting device comprises a grouting pipe 1, a grouting hole 2, a grouting hole segmented film bag inner flower hole 3, a grouting pipe 4, a fixed-pressure film 5, a stratum grouting flower hole 6, an electromagnetic stop plug guide rod 6, an electromagnetic stop plug 7, a flexible wall 8, an absolute magnetic guide rod 9, a rigid support plate 10, a rigid support rod 11, a first coil 12 and a first coil 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a grouting hole segmentation device based on electromagnetic sealing comprises a grouting pipe 1, a plurality of grouting hole segmentation film bag inner flower holes 2 are arranged on the grouting pipe 1 at equal distances, grouting hole segmentation film bags 3 are sleeved on the grouting pipe 1 positioned outside the grouting hole segmentation film bag inner flower holes 2, a grouting pipe fixed pressure film 4 is arranged at the middle position of one side surface of each two grouting hole segmentation film bags 3 close to each other, a formation grouting flower hole 5 is arranged below the grouting pipe fixed pressure film 4, a group of electromagnetic stop plug guide rods 6 are arranged at the bottom of the formation grouting flower hole 5, an electromagnetic stop plug 7 is fixed at one end of each electromagnetic stop plug guide rod 6, the electromagnetic stop plug 7 is positioned inside the grouting pipe 1, the electromagnetic stop plug 7 comprises a flexible wall 8, an adiabatic magnetic guide rod 9, a rigid support plate 10, a rigid support rod 11, a first coil 12 and a second coil 13, wherein a group of rigid support plates 10 are fixedly connected to the inner walls of the flexible wall 8, the sides, close to each other, of the two groups of rigid supporting plates 10 are hinged with rigid supporting rods 11, the sides, close to each other, of the two groups of rigid supporting rods 11 are hinged to the side walls of the two sides of the first coil 12, the inside of the first coil 12 and the inside of the second coil 13 are both provided with a magnetism-insulating guide rod 9, the magnetism-insulating guide rod 9 is fixedly connected with the second coil 13, and the electromagnetic grout-stopping plug guide rod 6 is fixedly connected with the flexible wall 8; by designing the electromagnetic grout stop plug, the grouting pipe, the grouting hole segmented film bag, the grouting pipe fixed-pressure film and the electromagnetic grout stop plug, segmented grouting in loose and weak surrounding rocks or even water-rich surrounding rocks can be realized, the strength of the surrounding rocks is improved layer by layer through segmented grouting, and the problem that shallow surrounding rocks are difficult to enter deep surrounding rocks due to grout leakage is solved; stop the thick liquid stopper through the design, can closely laminate the slip casting pipe after strutting, produce frictional force and can resist higher slip casting pressure, can keep after the shrink with the big clearance of slip casting pipe, conveniently reciprocate, reduced use cost for the reaction rate of thick liquid, convenient to use is fit for promoting.
In this embodiment, flexible wall 8 is located between the both sides inner wall of slip casting pipe 1, flexible wall 8 is run through to the one end of electromagnetism stop thick liquid stopper guide bar 6, and extend to flexible wall 8 inside and link to each other with magnetism isolating guide bar 9, first coil 12 and second coil 13 all twine on magnetism isolating guide bar 9's iron core, rigid support rod 11 and first coil 12 articulate mutually and form umbrella-shaped structure, rigid support rod 11 articulates mutually with rigid support plate 10 and forms umbrella-shaped structure, flexible wall 8 is oval-shaped structure.
In the embodiment, when the device is used, holes are drilled according to the design, then the segmented length is designed in a grouting hole, a flower hole (2) in a grouting hole segmented film bag, a grouting hole segmented film bag (3), a grouting pipe fixed-pressure film (4) and a stratum grouting flower hole (5) are arranged on a grouting pipe (1), an electromagnetic grout-stopping plug (7) is placed at the tail end of the grouting hole segmented film bag (3) below a stratum to be grouted through an electromagnetic grout-stopping plug guide rod (6), and power is supplied to a first coil (12) and a second coil (13) through an electric wire of the electromagnetic grout-stopping plug guide rod (6); at the moment, after the coil is electrified, a repulsive magnetic field is generated, the coil moves upwards along a magnetism isolating guide rod (9), a rigid support rod (11) is pulled to be unfolded, a rigid support plate (10) is pushed to extrude a flexible wall (8), finally the flexible wall (8) is tightly attached to a grouting pipe (1), the flexible wall (8) is made of rubber materials, the grouting pipe is blocked, grouting is performed on the grouting pipe (1), and grout enters a grouting hole sectional film bag (3) through a flower hole in the grouting hole sectional film bag (2) and is tightly filled; the grout can be quick-setting grout or ordinary cement grout, the grouting pressure is improved to exceed the pressure bearing limit of the grouting pipe fixed-pressure membrane (4), the grouting pipe fixed-pressure membrane (4) fails, and the grout enters the stratum through the stratum grouting flower holes (5); the grout can be quick setting grout or ordinary cement grout, after the grouting pressure of the stratum reaches the designed grouting pressure, the pressure is maintained for several minutes, meanwhile, after the grout inlet amount is smaller than the grouting standard, the grouting of the section of stratum is finished, the grouting pipe is flushed by high-pressure water, the power supply of the first coil (12) is cut off, the power supply of the second coil (13) is maintained, at the moment, the second coil (13) generates a magnetic field to attract the iron core of the first coil (12), the first coil (12) moves downwards along the magnetism-insulating guide rod (9), the rigid support rod (11) is pulled to retract, the rigid support plate (10) and the flexible wall (8) are pulled to contract, the separation of the electromagnetic grout-stopping plug (7) and the grouting pipe (1) is realized, the circulation is repeated, and the sectional grouting from the orifice to the hole is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides a slip casting hole segmenting device based on electromagnetism is confined, including slip casting pipe (1), a serial communication port, equidistant being equipped with in slip casting pipe (1) a plurality of slip casting hole segmentation membrane bag flower holes (2), slip casting hole segmentation membrane bag (3) have been cup jointed on slip casting pipe (1) that is located slip casting hole segmentation membrane bag flower holes (2) outside, two slip casting hole segmentation membrane bags (3) one side intermediate position that are close to each other are provided with slip casting pipe pressure membrane (4), the below of slip casting pipe pressure membrane (4) is provided with stratum slip casting flower holes (5), the bottom of stratum slip casting flower holes (5) is provided with a set of electromagnetism and ends thick liquid stopper guide bar (6), the one end of electromagnetism only thick liquid stopper guide bar (6) is fixed with electromagnetism only thick liquid stopper (7), and electromagnetism only thick liquid stopper (7) are located the inside of slip casting pipe (1), electromagnetism only thick liquid stopper (7) are including flexible wall (8), Magnetic isolation guide bar (9), rigid support plate (10), rigid support bar (11), first coil (12) and second coil (13), wherein equal fixedly connected with a set of rigid support plate (10) on the both sides inner wall of flexible wall (8), one side that two sets of rigid support plate (10) are close to each other all articulates there is rigid support bar (11), one side that two sets of rigid support bar (11) are close to each other all articulates on the both sides lateral wall of first coil (12), the inside of first coil (12) and second coil (13) all is provided with magnetic isolation guide bar (9), and magnetic isolation guide bar (9) and second coil (13) fixed connection, electromagnetism only fills in guide bar (6) and flexible wall (8) fixed connection.
2. The grouting hole segmentation device based on electromagnetic closing is characterized in that the flexible wall (8) is located between two inner side walls of the grouting pipe (1), one end of the electromagnetic grout stop guide rod (6) penetrates through the flexible wall (8) and extends to the inner part of the flexible wall (8) to be connected with the magnetism-insulating guide rod (9), and the first coil (12) and the second coil (13) are wound on an iron core of the magnetism-insulating guide rod (9).
3. The grouting hole segmentation device based on electromagnetic closure as claimed in claim 1, wherein the rigid support rod (11) and the first coil (12) are hinged to form an umbrella-shaped structure, and the rigid support rod (11) and the rigid support plate (10) are hinged to form an umbrella-shaped structure.
4. Grouting hole segmentation means based on electromagnetic closure, according to claim 1, characterised in that the flexible wall (8) is of an oval-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111042.0A CN108915634B (en) | 2018-02-01 | 2018-02-01 | Grouting hole segmenting device based on electromagnetic sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111042.0A CN108915634B (en) | 2018-02-01 | 2018-02-01 | Grouting hole segmenting device based on electromagnetic sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915634A CN108915634A (en) | 2018-11-30 |
| CN108915634B true CN108915634B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810111042.0A Expired - Fee Related CN108915634B (en) | 2018-02-01 | 2018-02-01 | Grouting hole segmenting device based on electromagnetic sealing |
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| Country | Link |
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| CN (1) | CN108915634B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566209B (en) * | 2019-08-08 | 2024-09-03 | 中铁第四勘察设计院集团有限公司 | Non-return device and non-return method for grouting pipe |
| CN111271105A (en) * | 2020-04-01 | 2020-06-12 | 山东科技大学 | Geotechnical engineering sectional type hollow grouting anchor cable and grouting method |
| CN215562627U (en) * | 2021-05-08 | 2022-01-18 | 中铁七局集团第三工程有限公司 | Manually-controllable sleeve valve pipe bidirectional grout stopping device |
| CN116084419B (en) * | 2022-12-05 | 2024-03-12 | 三峡大学 | Device and method for repairing underwater cracks based on soft magnet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2704899B1 (en) * | 1993-05-07 | 1995-07-07 | Sol Cie | METHOD AND DEVICE FOR INJECTING PRODUCTS INTO THE SOIL. |
| CN201129184Y (en) * | 2007-12-29 | 2008-10-08 | 中铁隧道集团有限公司 | Tubule external valve one-way type subsection back grouting apparatus |
| CN201581905U (en) * | 2009-12-29 | 2010-09-15 | 中铁隧道集团有限公司 | In-hole grout stop device |
| CN103061785A (en) * | 2012-12-28 | 2013-04-24 | 山东大学 | Borehole casing pressure-proof seepage sealing grouting device and process for roadway breaking water burst surrounding rock |
| CN105731978A (en) * | 2016-01-28 | 2016-07-06 | 中铁第四勘察设计院集团有限公司 | Grouting slurry for reinforcing tunnel face of jacking culvert of fine-sand layer and grouting method |
| CN105909257A (en) * | 2016-05-31 | 2016-08-31 | 山东大学 | Separated grouting device in drilled hole and sectional grouting operation process |
-
2018
- 2018-02-01 CN CN201810111042.0A patent/CN108915634B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2704899B1 (en) * | 1993-05-07 | 1995-07-07 | Sol Cie | METHOD AND DEVICE FOR INJECTING PRODUCTS INTO THE SOIL. |
| CN201129184Y (en) * | 2007-12-29 | 2008-10-08 | 中铁隧道集团有限公司 | Tubule external valve one-way type subsection back grouting apparatus |
| CN201581905U (en) * | 2009-12-29 | 2010-09-15 | 中铁隧道集团有限公司 | In-hole grout stop device |
| CN103061785A (en) * | 2012-12-28 | 2013-04-24 | 山东大学 | Borehole casing pressure-proof seepage sealing grouting device and process for roadway breaking water burst surrounding rock |
| CN105731978A (en) * | 2016-01-28 | 2016-07-06 | 中铁第四勘察设计院集团有限公司 | Grouting slurry for reinforcing tunnel face of jacking culvert of fine-sand layer and grouting method |
| CN105909257A (en) * | 2016-05-31 | 2016-08-31 | 山东大学 | Separated grouting device in drilled hole and sectional grouting operation process |
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| Publication number | Publication date |
|---|---|
| CN108915634A (en) | 2018-11-30 |
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Granted publication date: 20201023 |