CN211422665U - Tunnel concrete two-lining void grouting hole sealing device - Google Patents
Tunnel concrete two-lining void grouting hole sealing device Download PDFInfo
- Publication number
- CN211422665U CN211422665U CN202020067558.2U CN202020067558U CN211422665U CN 211422665 U CN211422665 U CN 211422665U CN 202020067558 U CN202020067558 U CN 202020067558U CN 211422665 U CN211422665 U CN 211422665U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- positioning
- tunnel
- grouting
- grouting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a two lining sky slip casting hole sealing devices of tunnel concrete belongs to tunnel engineering technical field, and its technical scheme as follows: installing a plugging steel plate in a groove of a positioning steel plate, fixing the positioning steel plate at a void point of a secondary lining wall body of a tunnel through an expansion screw, vertically connecting an auxiliary steel plate and a grouting pipe with the auxiliary steel plate and penetrating the end of the auxiliary steel plate to extrude with a rubber ring, connecting the grouting pipe with a cement slurry pump to carry out grouting on the void part, hammering the plugging steel plate longitudinally along the groove by adopting a hammer to enable a concrete cutting blade to cut the rubber ring, and plugging a grouting hole through the plugging steel plate after the concrete cutting blade cuts the rubber ring; the tunnel concrete secondary lining void grouting hole sealing process can be rapidly completed in such a way.
Description
Technical Field
The utility model relates to a tunnel engineering technical field, in particular to be used for two linings of tunnel concrete to take off hole sealing device for slip casting.
Background
At present, after the construction of the second lining of the concrete of the tunnel is finished for a period of time, the second lining of the concrete of the tunnel is easy to have the phenomena of vault separation, gaps between a side wall waterproof board and the concrete and the like due to natural reasons of entity subsidence, shrinkage and the like after the poured concrete is formed, and the gaps need to be filled by grouting by using a hole packer device so as to ensure the integral quality of the tunnel. The Chinese patent with the granted publication number of CN205908277U discloses a hole packer device for tunnel concrete two-lining hollow grouting, which comprises a positioning steel plate tightly attached to the surface of concrete, wherein the center of the positioning steel plate is provided with a butt joint hole aligned with a grouting hole, the hole packer device also comprises a quick joint, one end of the quick joint is welded with the exposed end of a pre-buried steel pipe in the grouting hole, the other end of the quick joint is connected with a high-pressure expansion pipe, a safety valve is installed on the high-pressure expansion pipe, the positioning steel plate is formed by welding and overlapping two equilateral triangle steel plates, three top corners of each equilateral triangle steel plate are provided with fixing holes, expansion screws fixed with the surface of the concrete are arranged in the fixing holes, and the center of each equilateral triangle steel plate is provided; the grouting hole packer can be used for quickly grouting a gap in a tunnel, the operation is simpler, but the quick connector is inserted into the positioning steel plate, and the quick connector can fall off from the positioning steel plate during grouting, so that the grouting progress is influenced. CN208089309U provides a hole packer for tunnel soil mixing secondary lining void grouting, which comprises a positioning steel plate, grouting holes, expansion screws, a quick coupling and a connecting pipe, wherein the positioning steel plate is attached to the surface layer of concrete; in this way, the grouting pipe can be fixed more stably.
Disclosure of Invention
For solving the technical problem, the utility model discloses an adopted technical scheme is: a tunnel concrete secondary lining void grouting hole sealing device comprises a grouting hole, a tunnel secondary lining wall body, a positioning steel plate, an auxiliary steel plate, a grouting pipe, a plugging steel plate, an expansion screw, a positioning nut, a fixing nut, a rubber ring and a concrete cutting blade, grouting holes are drilled at the hollow positions in the tunnel secondary lining wall body, rubber rings are arranged around the grouting holes, the grouting holes are attached to the concrete surface layer and are positioning steel plates, the positioning steel plates and the tunnel secondary lining wall body are fixed through expansion screws, a groove is designed in the transverse middle position of a positioning steel plate, a plugging steel plate is installed in the groove, a positioning screw is arranged on the outer side surface of the positioning steel plate, a fixing nut is installed on the positioning screw, an auxiliary steel plate is arranged on the outer side of the fixing nut, a positioning nut is arranged on the outer side of the auxiliary steel plate on the positioning screw, and a grouting pipe is perpendicularly connected with the auxiliary steel plate, penetrates through the end of the auxiliary steel plate and is connected with a rubber ring in an extrusion.
The rubber ring is a variable cross-section rubber ring, the outer diameter of the rubber ring at the small-diameter end is consistent with the diameter of the grouting hole, the inner diameter of the rubber ring at the small-diameter end is 6mm smaller than the outer diameter of the grouting hole, and the inner diameter of the rubber ring at the large-diameter end is consistent with the outer diameter of the grouting pipe.
The cross section of the plugging steel plate is groove-shaped, the inside of the groove is longitudinally horizontal, then is inclined downwards to the grouting hole, then is inclined upwards and finally is horizontal and linear, and the contact position of the plugging steel plate and the grouting hole is a concrete cutting blade.
Compared with the prior art, the beneficial effects of the utility model are that: installing a plugging steel plate in a groove of a positioning steel plate, fixing the positioning steel plate at a void point of a secondary lining wall body of a tunnel through an expansion screw, vertically connecting an auxiliary steel plate and a grouting pipe with the auxiliary steel plate and penetrating the end of the auxiliary steel plate to extrude with a rubber ring, connecting the grouting pipe with a cement slurry pump to carry out grouting on the void part, hammering the plugging steel plate longitudinally along the groove by adopting a hammer to enable a concrete cutting blade to cut the rubber ring, and plugging a grouting hole through the plugging steel plate after the concrete cutting blade cuts the rubber ring; the tunnel concrete secondary lining void grouting hole sealing process can be rapidly completed in such a way. The invention has the characteristics of simple structure, convenience for operation of operators, safety, reliability, convenience for operation, high construction efficiency and the like.
Drawings
The following describes the present invention with reference to the accompanying drawings and examples.
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a sectional view a.
Fig. 4 is a B sectional view.
Fig. 5 is a cross-sectional view of C.
Fig. 6 is a top view of the plugging steel plate.
Fig. 7 is a side view of the plugging steel plate.
In the figure: a grouting hole 1; a tunnel secondary lining wall body 2; positioning a steel plate 3; an auxiliary steel plate 4; a grouting pipe 5; a steel plate 6 is blocked; an expansion screw 7; a set screw 8; a positioning nut 9; a fixing nut 10; rubber ring 11 and concrete cutting blade 12.
Detailed Description
As shown in fig. 1-7, a tunnel concrete two-lining void grouting hole sealing device comprises a grouting hole 1, a tunnel two-lining wall body 2, a positioning steel plate 3, an auxiliary steel plate 4, a grouting pipe 5, a plugging steel plate 6, an expansion screw 7, a positioning screw 8, a positioning nut 9, a fixing nut 10, a rubber ring 11 and a concrete cutting blade 12, wherein the grouting hole 1 is drilled at a void position in the tunnel two-lining wall body 2, the rubber ring 11 is arranged around the grouting hole 1, the positioning steel plate 3 is attached to the concrete surface layer of the grouting hole 1, the positioning steel plate 3 is fixed with the tunnel two-lining wall body 2 through the expansion screw 7, a groove is designed at the transverse middle position of the positioning steel plate 3, the plugging steel plate 6 is arranged in the groove, the positioning screw 8 is arranged on the outer side surface of the positioning steel plate 3, the fixing nut 10 is arranged on the outer side of the fixing nut 10, the positioning nut 9 is arranged on the positioning screw 8 and is arranged on the, the grouting pipe 5 is vertically connected with the auxiliary steel plate 4 and penetrates through the end head of the auxiliary steel plate 4 to be connected with the rubber ring 11 in an extrusion mode.
The rubber ring 11 is a variable cross-section rubber ring, the outer diameter of the rubber ring 11 at the small-diameter end is consistent with the diameter of the grouting hole 1, the inner diameter of the rubber ring 11 at the small-diameter end is 6mm smaller than the outer diameter of the grouting hole, and the inner diameter of the rubber ring 11 at the large-diameter end is consistent with the outer diameter of the grouting pipe 5.
The cross section of the plugging steel plate 6 is groove-shaped, the inner part of the groove is longitudinally horizontal, then is downwards inclined to the grouting hole 1, then is upwards inclined and finally is horizontally linear, and the contact position of the plugging steel plate 6 and the grouting hole 1 is a concrete cutting blade 12.
Principle of operation
The tunnel second lining construction back is carried out the sky through check out test set and is detected, detect to the sky point after, adopt the marker pen to carry out the sign at tunnel second lining wall body sky point, carry out the drilling to the sky point and bore to the sky point and form injected hole 1, at the installation rubber ring 11 of slip casting drill way, then lay positioning steel plate 3 near injected hole 1, when guaranteeing that injected hole 1 corresponds rubber ring 11 and is located positioning steel plate 3 central point, adopt the marker pen to mark in expansion screw 7 holes, bore at the mark position and prepare installation expansion screw 7.
Installing a plugging steel plate 6 in a groove 13 of a positioning steel plate 3, fixing the positioning steel plate 3 at a void point of a tunnel secondary lining wall body 2 through an expansion screw 7, installing a positioning screw 8 on the outer side surface of the positioning steel plate 3 in place, installing a fixing nut 10 on the positioning screw 8, vertically connecting an auxiliary steel plate 4 and a grouting pipe 5, penetrating the end of the auxiliary steel plate 4 and extruding the auxiliary steel plate 4 with a rubber ring 11, and ensuring that the grouting pipe 5 is tightly contacted with the rubber ring 11 without slurry leakage by adjusting the positioning nut 9 and the fixing nut 10.
Connecting grouting pipe 5 with the cement paste pump and carrying out mud jacking to the void position, stabilizing the pressure for three minutes after the grout fully fills the void point, adopt the hammer to vertically hammer shutoff steel sheet 6 along recess 13, make concrete cutting blade 12 cut rubber ring 11, after concrete cutting blade 12 cut rubber ring 11, carry out the shutoff through shutoff steel sheet 6 to grouting hole 1.
The auxiliary steel plate 4 and the grouting pipe 5 are unloaded by adjusting the positioning nut 9, the expansion screw 7 is unloaded when the strength of cement paste reaches 90%, the positioning steel plate 3 is unloaded, the expansion screw 7 is cut, the expansion screw hole is blocked, and the tunnel concrete secondary lining void grouting hole sealing is completed.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the embodiments and features in the embodiments in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention should be defined by the claims and the equivalents of the technical features in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (3)
1. A tunnel concrete two-lining hollow grouting hole sealing device is characterized by comprising a grouting hole (1), a tunnel two-lining wall body (2), a positioning steel plate (3), an auxiliary steel plate (4), a grouting pipe (5), a plugging steel plate (6), expansion screws (7), positioning screws (8), positioning nuts (9), fixing nuts (10), rubber rings (11), concrete cutting blades (12) and grooves (13), wherein the grouting hole (1) is drilled at a hollow position in the tunnel two-lining wall body (2), the rubber rings (11) are arranged around the grouting hole (1), the grouting hole (1) is attached to the concrete surface layer and is provided with the positioning steel plate (3), the positioning steel plate (3) and the tunnel two-lining wall body (2) are fixed through the expansion screws (7), the groove (13) is designed at the transverse middle position of the positioning steel plate (3), and the plugging steel plate (6) is installed in the groove (13), the outer side surface of the positioning steel plate (3) is provided with a positioning screw (8), a fixing nut (10) is installed on the positioning screw (8), the outer side of the fixing nut (10) is provided with an auxiliary steel plate (4), the outer side of the auxiliary steel plate (4) on the positioning screw (8) is provided with a positioning nut (9), and the grouting pipe (5) is vertically connected with the auxiliary steel plate (4) and penetrates through the end of the auxiliary steel plate (4) to be connected with a rubber ring (11) in an extrusion manner.
2. The tunnel concrete two-lining hollow grouting hole sealing device according to claim 1, characterized in that the rubber ring (11) is a variable cross-section rubber ring, the outer diameter of the small-diameter end rubber ring (11) is consistent with the diameter of the grouting hole (1), the inner diameter is 6mm smaller than the outer diameter, and the inner diameter of the large-diameter end rubber ring (11) is consistent with the outer diameter of the grouting pipe (5).
3. The tunnel concrete secondary lining void grouting hole sealing device according to claim 2, characterized in that the cross section of the plugging steel plate (6) is concave, the inside of the groove (13) is longitudinally horizontal, then is inclined downwards to the grouting hole (1), then is inclined upwards, and finally is in horizontal linearity, and the contact position of the plugging steel plate (6) and the grouting hole (1) is a concrete cutting blade (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067558.2U CN211422665U (en) | 2020-01-14 | 2020-01-14 | Tunnel concrete two-lining void grouting hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067558.2U CN211422665U (en) | 2020-01-14 | 2020-01-14 | Tunnel concrete two-lining void grouting hole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422665U true CN211422665U (en) | 2020-09-04 |
Family
ID=72287274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020067558.2U Expired - Fee Related CN211422665U (en) | 2020-01-14 | 2020-01-14 | Tunnel concrete two-lining void grouting hole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422665U (en) |
-
2020
- 2020-01-14 CN CN202020067558.2U patent/CN211422665U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101500667B1 (en) | steel pipe grouting device and tunnel reinforcement andbarrier grouting method using this | |
| CN103742129B (en) | The method of weak seam measuring gas pressure of coal bed by drilling hole | |
| US8182178B2 (en) | Directional fracture grouting method with polymer for seepage control of dikes and dams | |
| CN108517899A (en) | Mouth high-pressure grouting leak stopping processing method is buried in the leakage drilling of deep basal pit diaphram wall | |
| CN111022082A (en) | Tunnel concrete two-lining void grouting hole sealing device | |
| CN104060590B (en) | The reinforcement leakage preventing structure of a kind of pressure diversion tunnel and construction method thereof | |
| CN113153379B (en) | Tunnel waterproof and drainage system and construction process | |
| CN102535518B (en) | Plugging method of large seam of underground diaphragm wall | |
| CN211422665U (en) | Tunnel concrete two-lining void grouting hole sealing device | |
| CN102182481B (en) | Anchor rope grouting-stop plug | |
| CN113338362A (en) | Construction method of cage core bag bottom-expanding grouting anchor rod static pressure steel pipe pile | |
| CN200988957Y (en) | Water pressure measuring device for underground pressure-bearing water | |
| CN113756278B (en) | Construction method of prestressed pipe pile | |
| WO2016208990A1 (en) | Anchor having fixing device at side of pressure plate to depress land slope and method of installing same | |
| CN210315529U (en) | Self-drilling high-pressure rotary-jetting bag grouting expanding anti-floating anchor rod | |
| CN114233374A (en) | Ground grouting construction method for reinforcing collapsed cavity area of inclined shaft after mud burst and water burst | |
| CN113107564A (en) | Anchor rod structure for fixing water-rich karst tunnel surrounding rock and using method thereof | |
| CN111457882A (en) | Extremely soft rock tunnel surrounding rock deformation measuring device and method | |
| CN202249922U (en) | Device for sealing high-pressure slip casting open hole deep hole with preposed expand tube | |
| CN102383447B (en) | Device and method for embedding strain gauge in jet grouting pile | |
| CN215367459U (en) | Quick leak-stopping repair device for underground concrete structure leakage | |
| CN110924954A (en) | Device and method for checking grouting condition of annular space of orifice pipe | |
| CN218347395U (en) | Pass through rich water fault broken zone tunnel reinforcement water shutoff with leading curtain slip casting system | |
| CN220416427U (en) | Connection structure of semi-rigid pipe-jacking pipe joint suitable for complex stratum | |
| CN211524178U (en) | Series sectional type building gap plugging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20210114 |