CN206487493U - A kind of pre-buried ejection for water plugging structure of shield tunnel knocker plate - Google Patents
A kind of pre-buried ejection for water plugging structure of shield tunnel knocker plate Download PDFInfo
- Publication number
- CN206487493U CN206487493U CN201720167633.0U CN201720167633U CN206487493U CN 206487493 U CN206487493 U CN 206487493U CN 201720167633 U CN201720167633 U CN 201720167633U CN 206487493 U CN206487493 U CN 206487493U
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- plate
- portal
- ring
- ring flat
- arc
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Abstract
The utility model provides a kind of pre-buried ejection for water plugging structure of shield tunnel knocker plate.The ejection for water plugging structure includes the cylindric portal ring being embedded at shield tunnel portal in agent structure side wall, it is characterised in that：The cylindric portal ring is spliced by polylith arc ring flat-plate, every piece of arc ring flat-plate wherein arc-shaped side edges and taking root in into reinforcement welding in implantation diaphram wall more, built-in slip casting pipe is provided with the outer ring surface of the arc ring flat-plate of portal ring both sides, the inner of built-in slip casting pipe is led in the ring of portal ring, and outer end is stretched out outside agent structure side wall.The utility model is simple in construction, handling is easy for installation, and injection water-proof plugging material effect is good, can prevent during shield launching the problem of percolating water occurs for tunnel shielding portal caused by the abnormal conditions such as machinery.
Description
Technical field
The utility model is related to slurry injection technique in shield-tunneling construction Tunnel knocker, specifically a kind of improved shield tunnel
The pre-buried ejection for water plugging structure of knocker plate.
Background technology
In today of Underground Rail Transit eruptive growth, shield Method overall application to domestic each big city
Among city's rail tunnel construction, although shield construction is with its mechanized construction degree height, stability and security height etc.
Advantage enjoys praise, but in the shield machine export ＆ import stage, shield method export ＆ import accident still remains high, and once occurs accident
Economic loss is huge, and social influence is big.Therefore, how to realize that shield machine enters during hole, ejection for water plugging skill in tunnel shielding portal ring
Art, the problem of being badly in need of seeking to solve as Urban Metro Construction enterprise.
The content of the invention
The utility model according to existing shield tunnel portal shield machine radial hole not yet enter portal heavy curtain rubber before, tunnel
There is provided a kind of shield tunnel knocker plate ejection for water plugging structure for the problem of road portal occurs to be difficult to grouting for water plugging during percolating water.This
Utility model is simple in construction, easy for installation, and handling is easy for installation, and the thick pulp material of injection is workable and good water-proof effect, can
Prevent during shield launching the problem of percolating water occurs for shield tunnel portal caused by the abnormal conditions such as machinery.
The technical scheme that the utility model is provided：The pre-buried ejection for water plugging structure of a kind of shield tunnel knocker plate, bag
Include the cylindric portal ring being embedded at shield tunnel portal in agent structure side wall, it is characterised in that：The cylindric portal
Ring is spliced by polylith arc ring flat-plate, every piece of arc ring flat-plate wherein arc-shaped side edges and many in implantation diaphram wall
Reinforcement welding is implanted into, built-in slip casting pipe is provided with the outer ring surface of the arc ring flat-plate of portal ring both sides, the inner of built-in slip casting pipe leads to
Into the ring of portal ring, outer end is stretched out outside agent structure side wall.
The utility model preferably technical scheme：The built-in slip casting pipe has four, and correspondence 2 on portal ring is set respectively
Point, 4 points, the position of 8 points and 10 points, and it is provided with ball valve in the outer end of every built-in slip casting pipe.
The utility model preferably technical scheme：The portal ring is identical with radian by the block size of upper and lower, left and right four
Arc ring flat-plate composition, the built-in slip casting pipe is symmetricly set on left and right two pieces of arc ring flat-plates.
The utility model preferably technical scheme：The link position of the built-in slip casting pipe and portal ring flat-plate is located at portal ring
Plate is close to diaphram wall side 50mm~100mm.
The utility model preferably technical scheme：The built-in slip casting pipe is connected by screw shell with arc ring flat-plate,
Injected hole is offered in the plate face of arc ring flat-plate, the screw shell is welded at the injected hole of arc ring flat-plate, and and injected hole
Connection, the inner of the built-in slip casting pipe is provided with the external screw thread matched with screw shell, and is threadedly coupled with screw shell.
The beneficial effects of the utility model：
(1) four Grouting Pipes are installed on portal ring flat-plate, Grouting Pipe and portal ring flat-plate formed by integrally casting in concrete side within the walls,
Grouting Pipe uses pre-buried mode, solves and injected hole hardly possible is opened up after agent structure concreting, and perforate precision is not high, later stage envelope
Stifled difficult the problem of；
(2) connected on the portal ring between Grouting Pipe and portal ring by mechanical sleeves, be easy to portal ring to install and ground
The colligation of iron station side wall reinforcing bar；In Grouting Pipe subway station side wall exposed junction install ball valve, be easy in work progress with
When slip casting and maintenance；
(3) it is rigidly connected between portal ring flat-plate and diaphram wall by being implanted into reinforcing bar, prevents main structure construction
After the completion of, percolating water in the gap between agent structure side wall and diaphram wall.
The utility model is simple in construction, handling is easy for installation, and injection water-proof plugging material effect is good, can prevent shield launching
During because caused by the abnormal conditions such as machinery tunnel shielding portal occur percolating water the problem of.
Brief description of the drawings
Fig. 1 is front schematic view of the present utility model；
Fig. 2 is the environmentally friendly transverse sectional view that the utility model installs Grouting Pipe
Fig. 3 is that ring flat-plate of the present utility model splits schematic diagram；
Fig. 4 is side schematic view of the present utility model；
Fig. 5 is cross-sectional view after installation of the present utility model.
In figure：1-portal ring, 1-1-arc ring flat-plate, 2-Grouting Pipe, 2-1-screw shell, 2-2-injected hole, 3-
Ball valve, 4-implantation reinforcing bar, 5-station agent structure side wall, 6-diaphram wall.
Embodiment
Below in conjunction with accompanying drawing to the utility model further description.Shown a kind of shield tunnel as shown in Figure 1, Figure 3 and Figure 4
The pre-buried ejection for water plugging structure of road portal ring flat-plate, including the cylindric hole being embedded at shield tunnel portal in agent structure side wall 5
Knocker 1, it is characterised in that：The cylindric portal ring 1 is spliced by polylith arc ring flat-plate 1-1, be specifically by it is upper and lower,
Left and right four block sizes and radian identical arc ring flat-plate 1-1 composition, every piece of arc ring flat-plate 1-1 wherein arc-shaped side edges with it is pre-buried
Take root in diaphram wall 6 is welded more into reinforcing bar 4, is provided with pre-buried in the arc ring flat-plate 1-1 of the both sides of portal ring 1 outer ring surface
Grouting Pipe 2, the built-in slip casting pipe 2 has four, the position of 2 points, 4 points, 8 points and 10 points of correspondence on portal ring 1 is set respectively, often
The inner of root built-in slip casting pipe 2 is led in the ring of portal ring 1, and outer end is stretched out outside agent structure side wall 5, and in every pre-buried slip casting
The outer end of pipe 2 is provided with ball valve 3, is easy to Grouting Pipe to install and later maintenance work.
As shown in Fig. 2 the built-in slip casting pipe 2 is connected by screw shell 2-1 with arc ring flat-plate 1-1, in arc ring flat-plate
Injected hole 2-2 is offered in 1-1 plate face, the screw shell 2-1 is welded at arc ring flat-plate 1-1 injected hole 2-2, and with
Injected hole 2-2 is connected, and the inner of the built-in slip casting pipe 2 is provided with the external screw thread matched with screw shell 2-1, and and thread bush
Cylinder 2-1 threaded connections.It is closely lower continuous that the built-in slip casting pipe 2 and portal ring flat-plate 1-1 link position are located at portal ring flat-plate 1
The side 50mm of wall 6~100mm.
Portal ring flat-plate described in the utility model is on the basis of existing shield tunnel knocker plate, respectively in portal ring
Left and right side arc ring flat-plate is respectively mounted four Grouting Pipes 2, is cast in as shown in figure 5, the one of Grouting Pipe 2 and portal ring flat-plate 1 is pre-buried
,, can when percolating water occurs for portal before shield machine radial hole not yet enters portal heavy curtain rubber in station agent structure side wall 5
To inject the materials such as anti-seep water thickness slurry, polyurethane or shield tail grease by ring flat-plate built-in slip casting pipe 2, grouting for water plugging is carried out,
Realize the purpose of multiple anti-seep water.
The utility model makes, mounting process is simple, and handling is easy for installation, and injection water-proof plugging material effect is good, can prevent
Only during shield launching the problem of percolating water occurs for tunnel shielding portal caused by the abnormal conditions such as machinery.
Claims (5)
1. a kind of pre-buried ejection for water plugging structure of shield tunnel knocker plate, including it is embedded in agent structure side at shield tunnel portal
Cylindric portal ring (1) in wall (5), it is characterised in that：The cylindric portal ring (1) is by polylith arc ring flat-plate (1-1)
It is spliced, every piece of arc ring flat-plate (1-1) wherein arc-shaped side edges and taking root in into reinforcing bar of being embedded in diaphram wall (6) more
(4) weld, built-in slip casting pipe (2), built-in slip casting pipe (2) are provided with the outer ring surface of the arc ring flat-plate (1-1) of portal ring (1) both sides
The inner lead in the ring of portal ring (1), outer end stretch out agent structure side wall (5) outside.
2. the pre-buried ejection for water plugging structure of a kind of shield tunnel knocker plate according to claim 1, it is characterised in that：It is described
Built-in slip casting pipe (2) has four, and the position of 2 points, 4 points, 8 points and 10 points of correspondence on portal ring (1) is set respectively, and pre- at every
The outer end for burying Grouting Pipe (2) is provided with ball valve (3).
3. the pre-buried ejection for water plugging structure of a kind of shield tunnel knocker plate according to claim 1 or 2, it is characterised in that：
The portal ring (1) is made up of the block size of upper and lower, left and right four and radian identical arc ring flat-plate (1-1), the pre-buried note
Slurry pipe (2) is symmetricly set on left and right two pieces of arc ring flat-plates (1-1).
4. the pre-buried ejection for water plugging structure of a kind of shield tunnel knocker plate according to claim 1 or 2, it is characterised in that：
The link position of the built-in slip casting pipe (2) and portal ring flat-plate (1-1) is located at portal ring flat-plate (1) close to diaphram wall (6) side
50mm~100mm.
5. the pre-buried ejection for water plugging structure of a kind of shield tunnel knocker plate according to claim 1 or 2, it is characterised in that：
The built-in slip casting pipe (2) is connected by screw shell (2-1) with arc ring flat-plate (1-1), in arc ring flat-plate (1-1) plate face
Offer injected hole (2-2), the screw shell (2-1) is welded on arc ring flat-plate (1-1) injected hole (2-2) place, and with note
Hole (2-2) connection is starched, the inner of the built-in slip casting pipe (2) is provided with the external screw thread matched with screw shell (2-1), and and spiral shell
Line sleeve (2-1) is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167633.0U CN206487493U (en) | 2017-02-23 | 2017-02-23 | A kind of pre-buried ejection for water plugging structure of shield tunnel knocker plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167633.0U CN206487493U (en) | 2017-02-23 | 2017-02-23 | A kind of pre-buried ejection for water plugging structure of shield tunnel knocker plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487493U true CN206487493U (en) | 2017-09-12 |
Family
ID=59763397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720167633.0U Expired - Fee Related CN206487493U (en) | 2017-02-23 | 2017-02-23 | A kind of pre-buried ejection for water plugging structure of shield tunnel knocker plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878110A (en) * | 2020-07-31 | 2020-11-03 | 中交隧道工程局有限公司 | Tunnel portal plugging device and method for shield tunnel starting |
-
2017
- 2017-02-23 CN CN201720167633.0U patent/CN206487493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878110A (en) * | 2020-07-31 | 2020-11-03 | 中交隧道工程局有限公司 | Tunnel portal plugging device and method for shield tunnel starting |
| CN111878110B (en) * | 2020-07-31 | 2022-06-10 | 中交隧道工程局有限公司 | Tunnel portal plugging device and method for shield tunnel starting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |