CN221220494U - Grouting device for small advanced catheter - Google Patents
Grouting device for small advanced catheter Download PDFInfo
- Publication number
- CN221220494U CN221220494U CN202323299901.9U CN202323299901U CN221220494U CN 221220494 U CN221220494 U CN 221220494U CN 202323299901 U CN202323299901 U CN 202323299901U CN 221220494 U CN221220494 U CN 221220494U
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- Prior art keywords
- grouting
- pipe
- small
- guide pipe
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000007569 slipcasting Methods 0.000 claims description 6
- 210000005239 tubule Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 8
- 239000002002 slurry Substances 0.000 abstract description 8
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The application relates to a grouting device for an advanced small guide pipe, and belongs to the technical field of tunnel construction equipment. The grouting device for the advanced small guide pipe comprises a small guide pipe, a sleeve assembly, a connecting pipe, a ball valve, a grouting pipe and a grouting machine, wherein the sleeve assembly for sealing is arranged at the end part of the small guide pipe, the sleeve assembly is connected with the ball valve through the connecting pipe, and the ball valve is connected with the grouting machine through the grouting pipe; according to the application, the sleeve assembly is arranged between the small guide pipe and grouting equipment, so that the small guide pipe is directly plugged while grouting is completed, the condition that slurry flows back and overflows in the plugging process is prevented, and the strength of a pre-support system is ensured.
Description
Technical Field
The application belongs to the technical field of tunnel construction equipment, and particularly relates to a grouting device for an advanced small guide pipe.
Background
The advanced small guide pipe is a process method in the tunneling construction process of tunnel engineering, and is mainly used for pre-supporting of sections such as a weak breaking zone, a shallow buried section, a hole bias section, a sand layer section, a sand pebble section, a fault breaking zone and the like with short self-stabilizing time.
According to engineering construction requirements, hydraulic tunnels need to be subjected to advanced support before V-class surrounding rock excavation, so that safety in tunnel construction is guaranteed, the advanced support is usually installed and built in a top arch range, and a small guide pipe made of steel pipes is generally adopted for construction. The process comprises the following steps: drilling holes through a hand drill, installing small guide pipes after drilling holes, grouting, and forming a pre-supporting system after the grouting liquid is solidified.
When grouting is carried out through the small guide pipe, grouting pressure needs to be guaranteed to meet the requirement, grouting is still needed to be continued for a period of time after the grouting pressure is designed, strength of a pre-support system is guaranteed, after grouting is completed, a small guide pipe orifice needs to be plugged, so that slurry backflow is prevented, a currently common plugging mode is that cotton is adopted to plug the small guide pipe orifice, the plugging effect is poor, in the process of plugging cotton into the small guide pipe, a phenomenon that part of grouting backflow overflows exists, a cavity is formed in a pipe of the advanced small guide pipe, strength of the advanced small guide pipe is reduced, and potential safety hazards exist in the pre-support system.
Disclosure of Invention
In order to solve the problems, the application provides a grouting device for a small advance catheter. Aims at solving the technical problem that slurry is easy to flow back and overflow in the small catheter plugging process.
To achieve the above object, in some aspects of the present application, there is provided
The utility model provides a slip casting device for advance tubule, includes tubule, sleeve pipe subassembly, connecting pipe, ball valve, slip casting pipe, slip casting machine, the sleeve pipe subassembly that is used for carrying out the seal is installed to the tubule tip, and the ball valve is connected through the connecting pipe to the sleeve pipe subassembly, and the ball valve passes through the slip casting pipe and links to each other with the slip casting machine.
In some schemes, the sleeve pipe subassembly includes body, fixing bolt, shrouding, sealed pad, open at body top has the spout, and sliding connection has the shrouding in the spout, and fixed mounting has sealed the pad on the shrouding, the body top still is equipped with the side ear that corresponds the spout, and it has the screw hole to open on the side ear, and the fixing bolt of corresponding shrouding is installed to the screw hole.
In some schemes, the side face of the sealing plate is provided with a first fixing hole and a second fixing hole, and the fixing bolt is connected with the first fixing hole or the second fixing hole in an inserting mode.
In some schemes, the outer side of the pipe wall of the small pipe is provided with a leakage-proof bulge, and the leakage-proof bulge is in a conical structure.
In some aspects, a first seal ring is mounted at the junction of the small conduit and the cannula assembly.
In some aspects, a second seal ring is mounted at the junction of the connection tube and the sleeve assembly.
In some aspects, the grouting pipe is provided with a pressure gauge.
The application has the beneficial effects that:
According to the grouting device, the sleeve component is arranged between the small guide pipe and the grouting equipment, so that the small guide pipe is plugged directly while grouting is completed, the condition that slurry flows back and overflows in the plugging process is prevented, the strength of a pre-supporting system is ensured, and meanwhile, the sleeve component is detachably connected with the small guide pipe, so that the grouting device is convenient to disassemble and use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a construction of a grouting device for a small lead pipe;
FIG. 2 is a schematic view of a partial structure in the present application;
FIG. 3 is a schematic view of the sleeve assembly of the present application;
fig. 4 is a partial structural cross-sectional view in the present application.
In the figure, a 1-small guide pipe, a 11-leakage-proof bulge, a 12-first compression ring, a 13-first sealing ring, a 2-sleeve component, a 21-pipe body, a 22-fixing bolt, a 23-sealing plate, a 231-first fixing hole, a 232-second fixing hole, a 233-sealing gasket, a 24-side lug, a 241-threaded hole, a 25-sliding groove, a 3-connecting pipe, a 31-second compression ring, a 32-second sealing ring, a 4-ball valve, a 5-manometer, a 6-grouting pipe, a 7-grouting machine and an 8-tunnel wall.
Detailed Description
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
The foregoing description of the preferred embodiments of the present application is not intended to limit the application, but is intended to cover all modifications, equivalents, alternatives, and improvements falling within the spirit and principles of the application.
Referring to fig. 1-4, the application provides a grouting device for an advanced small guide pipe, which comprises a small guide pipe 1, a sleeve pipe assembly 2, a connecting pipe 3, a ball valve 4, a grouting pipe 6 and a grouting machine 7, wherein the end part of the small guide pipe 1 is provided with the sleeve pipe assembly 2 used for sealing, the sleeve pipe assembly 2 is connected with the ball valve 4 through the connecting pipe 3, the ball valve 4 is connected with the grouting machine 7 through the grouting pipe 6, and a pressure gauge 5 used for measuring the pressure in the pipe is further arranged on the grouting pipe 6, so that a worker can conveniently adjust the grouting pressure according to actual conditions. When the grouting device is used, the hand drill is used for drilling holes in the tunnel wall, the small guide pipe 1 is inserted after the holes are drilled and fixed, the grouting machine 7 is started, grouting pressure is observed through the pressure gauge 5 after grout enters the small guide pipe 1, when the grouting pressure reaches the design pressure, pressure stabilization is carried out according to requirements, the ball valve 4 and the grouting machine 7 are closed after the grouting pressure meets the requirements, meanwhile, the small guide pipe 1 is plugged through the sleeve assembly 2, backflow and overflow of the grout are prevented, and grouting is ended.
In some embodiments, as shown in fig. 3, the sleeve assembly 2 includes a tube body 21, a fixing bolt 22, a sealing plate 23, and a sealing pad 233, where the middle portion of the tube body 21 is in a square structure, a sliding groove 25 is opened at the top of the square structure, the sealing plate 23 is slidably connected in the sliding groove 25, and sealing pads 233 are fixedly installed on both front and rear sides of the sealing plate 23, as shown in fig. 4, when the sealing plate 23 is completely inserted into the sliding groove 25, the tube body 21 can be sealed, so that slurry is prevented from flowing back and overflowing. The left side and the right side of the top of the pipe body 21 are also provided with side lugs 24 corresponding to the sliding grooves 25, threaded holes 241 are formed in the side lugs 24, and fixing bolts 22 corresponding to the sealing plates 23 are connected in the threaded holes 241 through threads.
Further, in order to facilitate positioning of the sealing plate 23, a first fixing hole 231 and a second fixing hole 232 are respectively formed on the left side and the right side of the sealing plate 23, and when the fixing bolt 22 is inserted into the first fixing hole 231, the sealing plate 23 seals the pipe body 21 to prevent the slurry in the small guide pipe 1 from flowing back; when the fixing bolt 22 is inserted into the second fixing hole 232, the pipe body 21 is unobstructed, and grouting is convenient.
In the process of punching the tunnel wall, due to the reasons of operation errors and the like, the aperture of the wall hole is easy to be larger, so that a gap exists between the small guide pipe 1 and the wall hole after the small guide pipe 1 is inserted, when grouting is performed, grouting pressure cannot be ensured at the gap, and grouting effect is affected. At present, cotton is used for tightly packing the space between the wall and the hole wall of the small conduit 1 before the small conduit 1 is inserted into the wall hole, and the method is time-consuming and labor-consuming, and affects the construction efficiency.
In some embodiments, the leakage preventing protrusion 11 is arranged on the outer side of the pipe wall of the small pipe 1, and the leakage preventing protrusion 11 is in a conical structure. When the grouting device is used, the small guide pipe 1 is inserted into a tunnel wall hole, the wall hole can be plugged through the leakage-proof bulge 11, so that slurry leakage in the grouting process is prevented, and grouting pressure is ensured. Furthermore, in order to improve the blocking effect of the anti-leakage protrusion 11, a layer of sealing adhesive tape may be wound on the tapered surface of the anti-leakage protrusion 11 before use. The highest point of the leakage preventing bulge 11 is 2-3mm higher than the outer diameter of the small guide pipe 1.
In some embodiments, as shown in fig. 2 and fig. 4, a first compression ring 12 is arranged at the connection end of the small conduit 1, an external thread is turned at the connection end of the small conduit 1, an internal thread is correspondingly turned at the connection position of the pipe body 21, the small conduit 1 is connected with the pipe body 21 through threads, a first sealing ring 13 is also padded at the connection position, and the first sealing ring 13 can be compressed through the first compression ring 12 during connection, so that the sealing effect is improved; the connecting pipe 3 is provided with the second pressing ring 31, the connecting pipe 3 is also in threaded connection with the pipe body 21, the second sealing ring 32 is arranged at the joint in a cushioning mode, and the second sealing ring 32 can be pressed through the second pressing ring 31 during connection, so that the sealing effect is improved.
The working process of the application comprises the following steps:
After the device is installed and connected, the sliding sealing plate 23 is used for enabling the fixing bolt 22 to be inserted into the second fixing hole 232, the channel of the pipe body 21 is opened, after punching is carried out on the tunnel wall, the small guide pipe 1 is inserted into the wall hole and fixed, the grouting machine 7 is started for grouting, after grouting is completed, the grouting machine 7 and the ball valve 4 are closed, the fixing bolt 22 is loosened, the sliding sealing plate 23 is used for sealing the pipe body 21, the fixing bolt 22 is rotated again, so that the fixing bolt 22 is inserted into the first fixing hole 231, the sealing plate 23 is fixed, finally the connecting pipe 3 is loosened, grouting is finished, and after slurry is solidified, the sleeve assembly 2 can be taken down for repeated use.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the application, and that, although the application has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the application as defined by the appended claims; the size of the drawing is irrelevant to the specific real object, and the real object size can be changed arbitrarily.
Claims (7)
1. The utility model provides a slip casting device for advance tubule which characterized in that: the grouting device for the advanced small guide pipe comprises a small guide pipe (1), a sleeve pipe assembly (2), a connecting pipe (3), a ball valve (4), a grouting pipe (6) and a grouting machine (7), wherein the sleeve pipe assembly (2) used for sealing is arranged at the end part of the small guide pipe (1), the sleeve pipe assembly (2) is connected with the ball valve (4) through the connecting pipe (3), and the ball valve (4) is connected with the grouting machine (7) through the grouting pipe (6).
2. The grouting device for the advance small catheter according to claim 1, wherein: the sleeve assembly (2) comprises a tube body (21), fixing bolts (22), sealing plates (23) and sealing gaskets (233), wherein sliding grooves (25) are formed in the top of the tube body (21), the sealing plates (23) are connected in a sliding mode in the sliding grooves (25), the sealing gaskets (233) are fixedly installed on the sealing plates (23), side lugs (24) corresponding to the sliding grooves (25) are further arranged on the top of the tube body (21), threaded holes (241) are formed in the side lugs (24), and the fixing bolts (22) corresponding to the sealing plates (23) are installed in the threaded holes (241).
3. The grouting device for the advance small catheter according to claim 2, wherein: the side of the sealing plate (23) is provided with a first fixing hole (231) and a second fixing hole (232), and the fixing bolt (22) is connected with the first fixing hole (231) or the second fixing hole (232) in an inserting mode.
4. A grouting device for a small advance pipe according to claim 1 or 3, characterized in that: the outer side of the pipe wall of the small pipe (1) is provided with a leakage-proof bulge (11), and the leakage-proof bulge (11) is in a conical structure.
5. The grouting device for the advance small catheter according to claim 4, wherein: the connection part of the small guide pipe (1) and the sleeve assembly (2) is provided with a first sealing ring (13).
6. The advanced small catheter grouting device according to claim 5, wherein: and a second sealing ring (32) is arranged at the joint of the connecting pipe (3) and the sleeve assembly (2).
7. The grouting device for the advance small catheter according to claim 1, wherein: and a pressure gauge (5) is arranged on the grouting pipe (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323299901.9U CN221220494U (en) | 2023-12-05 | 2023-12-05 | Grouting device for small advanced catheter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323299901.9U CN221220494U (en) | 2023-12-05 | 2023-12-05 | Grouting device for small advanced catheter |
Publications (1)
Publication Number | Publication Date |
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CN221220494U true CN221220494U (en) | 2024-06-25 |
Family
ID=91544477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202323299901.9U Active CN221220494U (en) | 2023-12-05 | 2023-12-05 | Grouting device for small advanced catheter |
Country Status (1)
Country | Link |
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CN (1) | CN221220494U (en) |
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2023
- 2023-12-05 CN CN202323299901.9U patent/CN221220494U/en active Active
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