CN208203306U - Tunnel antipriming - Google Patents
Tunnel antipriming Download PDFInfo
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- CN208203306U CN208203306U CN201721917726.7U CN201721917726U CN208203306U CN 208203306 U CN208203306 U CN 208203306U CN 201721917726 U CN201721917726 U CN 201721917726U CN 208203306 U CN208203306 U CN 208203306U
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- antipriming
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Abstract
The utility model relates to a kind of tunnel antipriming and construction method, the tunnel antipriming includes the first antipriming and the second antipriming.First antipriming is located on pre-buried ring flat-plate, and including the flexible cord being stacked and turnover panel, flexible cord connect with pre-buried ring flat-plate and is rotatablely connected far from hole, turnover panel and pre-buried ring flat-plate.Second antipriming is located on pre-buried steel loop, the sealing brush including being coated with seal grease.When shield launching driving, the outer wall of flexible cord overturning and tail portion abutting shield machine, turnover panel is overturn and end is tight against the outer wall of shield machine, is stopped water and is flowed out to entrance orientations；When forming inwall, the sealing brush filled with seal grease is tightly attached on the outer wall of shield machine, is sealed to entrance orientations flowing water.For above-mentioned tunnel antipriming by twice antipriming, the water flow for preventing constructing tunnel from generating solves the leakage problem at tunnel portal, it is ensured that construction safety to hole.
Description
Technical field
The utility model relates to Construction Technique of Underground Works fields, more particularly to tunnel antipriming.
Background technique
Tunnel is the engineering construction object being embedded in stratum, is a kind of form of human use's underground space.Shield method is
A kind of common method for tunnel construction, the shield machine used in shield method are the action shield or activity branch of a kind of steel
Support.Shield machine passes through weak water-bearing layer, especially river bed, seabed and downtown area and forms tunnel in turn.The head of shield machine
Portion can excavate stratum, and primary driving is equivalent to the width of one ring of prefbricated tunnel lining.The tail portion of shield machine can assemble prefabricated pipe
Piece or building block are promptly assembled into tunnel permanent lining, secondary lining, that is, inwall, and by the cement pressure of the gap between lining-up and soil layer
Slurry tamps, and prevent surrounding formation continues deformation and the growth of pressure from surrounding rock.
However, the risk of tunnel construction is larger, especially underground water pressure is larger, and it is existing easily to occur leak at the circle door of hole
As influencing construction safety.
Utility model content
Based on this, it is necessary to for hole circle door drainage during constructing tunnel, provide a kind of water-stagnating effect it is good, can
Guarantee the tunnel antipriming and its construction method of construction safety.
A kind of tunnel antipriming, the tunnel include hole and inwall, and the hole is equipped with pre-buried ring flat-plate, described interior
Chemise is equipped with pre-buried steel loop, and the tunnel antipriming includes:
First antipriming, is located on the pre-buried ring flat-plate, and first antipriming includes the flexible curtain being stacked
Cloth and turnover panel, the flexibility cord are connect and far from the hole, the turnover panel and the pre-buried ring flat-plate with the pre-buried ring flat-plate
Rotation connection；
Second antipriming is located on the pre-buried steel loop, and second antipriming includes sealing brush, the sealing brush
Filled with seal grease.
First antipriming is additionally provided with baffle, the baffle and the pre-buried ring flat-plate in one of the embodiments,
Connection, it is Chong Die that the baffle with the turnover panel is formed by the projection section in plane in the pre-buried ring flat-plate.
In one of the embodiments, between the end of the flexible cord and the central axis of the pre-buried ring flat-plate away from
The distance between central axis from the end and the pre-buried ring flat-plate for being less than the turnover panel.
The end of the flexible cord is from the flexibility cord towards the side of the separate turnover panel in one of the embodiments,
To protrusion.
First antipriming further includes Circular Plate in one of the embodiments, the Circular Plate with it is described pre-buried
Ring flat-plate connection, the turnover panel are articulated and connected by pivot pin and the Circular Plate.
The Circular Plate is connect by connecting bolt with the pre-buried ring flat-plate in one of the embodiments,.
First antipriming further includes washer in one of the embodiments, the connection bolt include stud and
Nut, the Circular Plate are connect by the stud with the pre-buried ring flat-plate, and by the nut tightening in the pre-buried ring
Plate, the washer is between the nut and the Circular Plate.
The quantity of second antipriming is two or more in one of the embodiments, two or more described
Second antipriming is set in turn on the inwall.
The sealing brush is wire-cup brush in one of the embodiments,.
For above-mentioned tunnel antipriming when shield launching tunnels, turnover panel is overturn under the drive of shield machine and end is tight
Outer wall to shield machine, flexible cord are driven and are overturn by shield machine, and the outer wall of shield machine is close in the tail portion of flexible cord, stop
Water is flowed out to entrance orientations；When shield machine tunnels and forms inwall, the sealing brush filled with seal grease is tightly attached to shield
On the outer wall of machine, seal to entrance orientations flowing water.Above-mentioned tunnel antipriming can be prevented by twice antipriming
The water flow that constructing tunnel generates solves the leakage problem at tunnel portal, it is ensured that construction safety to hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first antipriming of the tunnel antipriming of an embodiment；
Fig. 2 is the structural schematic diagram of the second antipriming of the tunnel antipriming of an embodiment；
Fig. 3 is the structural schematic diagram of the turnover panel of an embodiment；
Fig. 4 is the application schematic diagram of the baffle of an embodiment；
Fig. 5 is the application schematic diagram of the second antipriming of the tunnel antipriming of an embodiment；
Fig. 6 is the application schematic diagram of the second antipriming of the tunnel antipriming of an embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
As depicted in figs. 1 and 2, the tunnel of an embodiment includes hole and inwall 10, and hole is equipped with pre-buried ring flat-plate 12, interior
Chemise 10 is equipped with pre-buried steel loop, and the tunnel antipriming 100 for the tunnel includes that the first antipriming 110 and the second sealing fill
Set 120.First antipriming 110 is located on pre-buried ring flat-plate 12, flexible including the flexible cord 111 and turnover panel 112 being stacked
Cord 111 connect with pre-buried ring flat-plate 12 and is rotatablely connected far from hole, turnover panel 112 and pre-buried ring flat-plate 12.Second antipriming 120
It is located on pre-buried steel loop, the sealing brush 122 including being filled with seal grease.
Above-mentioned tunnel antipriming 100 shield launching tunnel when, turnover panel 112 overturn under the drive of shield machine and
Tight against the outer wall of shield machine, flexible cord 111 drives and overturn by shield machine for end, and shield is close in the tail portion of flexible cord 111
The outer wall of machine stops water and flows out to entrance orientations；When shield machine tunnels and forms inwall 10, filled with the close of seal grease
Envelope brush 122 is tightly attached on the outer wall of shield machine, is sealed to entrance orientations flowing water.Above-mentioned tunnel antipriming 100 passes through two
Road antipriming can prevent solving the leakage problem at tunnel portal, really to hole in the water flow of constructing tunnel generation
Construction safety is protected.
Referring again to Fig. 1, flexible cord 111 and turnover panel 112 are stacked, and flexible cord 111 is in the feelings for being applied with external force
It can bend or overturn under condition, and the shape of flexible cord 111 can be according to the change in shape of shield machine outer wall closely to paste
Together on the outer wall of shield machine.In the present embodiment, flexible cord 111 is rubber slab, not only can be with waterproof but also corrosion-resistant.One
As, the shape at hole is circle, and flexible cord 111 is located on the pre-buried steel loop at hole, so that when shield machine driving,
The outer wall of shield machine is closely surrounded by flexible cord 111, prevent the underground water generated in work progress by flexible cord 111 with
It is flowed out to hole in gap between shield machine.
As shown in Figure 1, turnover panel 112 contacts flexible cord 111 and is rotatablely connected with pre-buried ring flat-plate 12.Turnover panel 112 can edge
Certain direction overturning, and then it is suitable for the development machine of various outer diameter.As shown in figure 3, in the present embodiment, turnover panel 112 is fan
Shape steel plate.In shield machine driving, the end abutment of turnover panel 112 provides branch in the outer wall of shield machine, and for flexible cord 111
Support.
Please refer to Fig. 1 and Fig. 4, in the present embodiment, the first antipriming 110 be equipped with baffle 113, baffle 113 with
Pre-buried ring flat-plate 12 connects, and baffle 113 is Chong Die with projection section of the turnover panel 112 in the plane that pre-buried ring flat-plate 12 is formed.That is, baffle
113 are set to the junction of turnover panel 112 Yu pre-buried ring flat-plate 12.For direction hydraulic pressure between preventing shield launching from entering hole back zone,
Slurry presses through the impact of senior general's turnover panel 112 and turns up.Shield machine enter portal and turnover panel 112 with shield machine before and then and shield machine
Outer wall shape it is at a certain angle when, the welding baffle 113 on pre-buried ring flat-plate 12 prevents turnover panel 112 from turning up, to be effectively ensured
The water-stagnating effect of flexible cord 111.In the present embodiment, baffle 113 is sealing reinforcing bar.In other embodiments, baffle 113
It may be steel plate.
In the present embodiment, the distance between the end of flexible cord 111 and the central axis of pre-buried ring flat-plate 12 are less than and turn over
The distance between the central axis of the end of plate 112 and pre-buried ring flat-plate 12.That is, the end of flexible cord 111 is closer to pre-buried ring
The central axis of plate 12.For example, flexible cord 111 is longer than turnover panel 112 in Fig. 1, and when shield machine driving, flexible cord
111 part tail portion is Chong Die with the outer wall of shield machine, and when there is underground water exudation, the hydraulic pressure of generation is applied to flexible cord 111
On, the tail portion of flexible cord 111 can be pressed on the outer wall of shield machine, enhance water-stagnating effect.
Referring again to Fig. 1, the end of flexible cord 111 is from flexible cord 111 towards the direction protrusion far from turnover panel 112.?
In the present embodiment, the end of flexible cord 111 is in drops, and close to the surface of turnover panel 112 in planar.Flexible cord
The water that underground is oozed out can be preferably blocked on flexible cord 111 by the protrusion of 111 ends, and underground water is prevented to be exuded to hole
Outside.
As shown in Figure 1, the first antipriming 110 further includes Circular Plate 114, Circular Plate 114 is connect with pre-buried ring flat-plate 12,
Turnover panel 112 is articulated and connected by pivot pin and Circular Plate 114.Turnover panel 112 is connect by Circular Plate 114 with pre-buried ring flat-plate 12, convenient
Replacement and disassembly.Closer, Circular Plate 114 is connect by connecting bolt 115 with pre-buried ring flat-plate 12.In the present embodiment,
First antipriming 110 further includes washer 116, and connection bolt 115 includes stud 1151 and nut 1152, and Circular Plate 114 passes through
Stud 1151 is connect with pre-buried ring flat-plate 12, and is tightened in pre-buried ring flat-plate 12 by nut 1152, and washer 116 is located at nut 1152
Between Circular Plate 114.On pre-buried ring flat-plate 12, it is prefabricated with M20 nut 1152 (GB/T56-1988), it will be soft with stud 1151
Property cord 111 and Circular Plate 114 are connected on pre-buried ring flat-plate 12.
As shown in Fig. 2, the second antipriming 120 includes sealing brush 122.Sealing brush 122 is wire-cup brush.Seal grease
It is filled in wire brush, plays sealing effect.In the present embodiment, the quantity of the second antipriming 120 is two or more,
Two or more second antiprimings 120 are successively located on inwall 10.Fig. 2 by taking two the second antiprimings 120 as an example into
Row explanation.As shown in figure 5, two wire brushes filled with seal grease are by shield when shield machine 1 is promoted along the direction arrow a
Machine 1 drives and rotates, and is enclosed at the outer diameter of shield machine 1, stops water and flows out to entrance orientations.As shown in fig. 6, being filled with grease
Wire brush can also seal the flowing water along section of jurisdiction outer radial entrance orientations.Twice wire-cup brush is set at inwall 10, and
Seal grease is filled in wire-cup brush, can effectively prevent groundwater seepage, it is ensured that shield-tunneling construction safety.
When shield launching driving, driven with the fan-shaped turnover panel 112 of pre-buried ring flat-plate 12 articulated connection by shield machine, and edge
The overturning of shield machine direction of advance, flexible cord 111 (rubber slab) is under the drive of shield machine, and tail portion is along shield machine direction of advance
Move and be tightly attached to the outer wall of shield machine.When the outer wall on the outer wall that turnover panel 112 is connected to shield machine and with shield machine is in certain
When angle, the welding baffle 113 (reinforcing bar) on pre-buried ring flat-plate 12 prevents turnover panel 112 outer under the impact of larger hydraulic pressure and slurry pressure
It turns over.After the completion of sondage is into 100 meters, when being poured portal, turnover panel 112, flexible cord 111 and connection bolt 115 are removed clearly
It washes.When forming inwall 10, wire-cup brush is fully welded on pre-buried steel loop, and seal grease is filled in wire-cup brush.
When shield machine 1 is tunneled along direction of propulsion a, the wire-cup brush filled with seal grease is driven by shield machine 1 and along shield machine 1
Direction of advance rotation, is finally enclosed at the outer diameter of shield machine 1, stops water and flows out to entrance orientations.It is enclosed in 100 meters of driving and hole
After the completion of grouting and reinforcing, the filling grease cleared up on ring packing brush 122 carries out hole circle mud jacking filling simultaneously.Above-mentioned tunnel sealing
Device 100 can prevent from solving at tunnel portal in the water flow of constructing tunnel generation to hole by twice antipriming
Leakage problem reduces construction risk, it is ensured that construction safety.
The construction method of above-mentioned tunnel antipriming 100, comprising:
First antipriming 110 is located on pre-buried ring flat-plate 12, when shield machine 1 is tunneled along direction of propulsion, is driven flexible
Cord 111 and turnover panel 112 rotate, and the outer wall of shield machine 1 is close in the tail portion of flexible cord 111, and the end of turnover panel 112 is tight against described
The outer wall of shield machine 1.
Second antipriming 120 is located on to the pre-buried steel loop of inwall, the sealing brush filled with seal grease is close to shield
The outer wall of structure machine 1, that is, complete the construction of antipriming.
The construction method of above-mentioned tunnel antipriming is simple, and water-stagnating effect is good.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of tunnel antipriming, the tunnel includes hole and inwall, and the hole is equipped with pre-buried ring flat-plate, the liner
Wall is equipped with pre-buried steel loop characterized by comprising
First antipriming, is located on the pre-buried ring flat-plate, first antipriming include the flexible cord being stacked and
Turnover panel, the flexibility cord connect with the pre-buried ring flat-plate and rotate far from the hole, the turnover panel and the pre-buried ring flat-plate
Connection；
Second antipriming is located on the pre-buried steel loop, and second antipriming includes sealing brush, the sealing brush filling
There is seal grease.
2. tunnel antipriming according to claim 1, which is characterized in that first antipriming is additionally provided with baffle,
The baffle is connect with the pre-buried ring flat-plate, and the baffle is formed by the throwing in plane in the pre-buried ring flat-plate with the turnover panel
Shadow partly overlaps.
3. tunnel antipriming according to claim 1, which is characterized in that it is described flexibility cord end with it is described pre-buried
The distance between central axis of ring flat-plate is less than the end of the turnover panel and the distance between the central axis of the pre-buried ring flat-plate.
4. tunnel antipriming according to claim 1, which is characterized in that the end of the flexibility cord is from the flexibility
Cord is raised towards the direction far from the turnover panel.
5. tunnel antipriming according to claim 1, which is characterized in that first antipriming further includes annulus
Plate, the Circular Plate are connect with the pre-buried ring flat-plate, and the turnover panel is articulated and connected by pivot pin and the Circular Plate.
6. tunnel antipriming according to claim 5, which is characterized in that the Circular Plate by connection bolt with it is described
Pre-buried ring flat-plate connection.
7. tunnel antipriming according to claim 6, which is characterized in that first antipriming further includes washer,
The connection bolt includes stud and nut, and the Circular Plate is connect by the stud with the pre-buried ring flat-plate, and passes through institute
Nut tightening is stated in the pre-buried ring flat-plate, the washer is between the nut and the Circular Plate.
8. tunnel antipriming according to claim 1, which is characterized in that the quantity of second antipriming is two
Or more, two or more second antiprimings are set in turn on the inwall.
9. tunnel antipriming according to claim 1, which is characterized in that the sealing brush is wire-cup brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917726.7U CN208203306U (en) | 2017-12-29 | 2017-12-29 | Tunnel antipriming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917726.7U CN208203306U (en) | 2017-12-29 | 2017-12-29 | Tunnel antipriming |
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| Publication Number | Publication Date |
|---|---|
| CN208203306U true CN208203306U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721917726.7U Active CN208203306U (en) | 2017-12-29 | 2017-12-29 | Tunnel antipriming |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150201A (en) * | 2017-12-29 | 2018-06-12 | 上海市机械施工集团有限公司 | Tunnel antipriming and construction method |
| CN111075482A (en) * | 2020-01-02 | 2020-04-28 | 华北科技学院 | Working face collapse column grouting waterproof treatment method |
| CN113482632A (en) * | 2021-08-12 | 2021-10-08 | 中铁十二局集团有限公司 | Shield tunneling machine starting construction method with external water-rich silt stratum grouting pipe |
-
2017
- 2017-12-29 CN CN201721917726.7U patent/CN208203306U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150201A (en) * | 2017-12-29 | 2018-06-12 | 上海市机械施工集团有限公司 | Tunnel antipriming and construction method |
| CN111075482A (en) * | 2020-01-02 | 2020-04-28 | 华北科技学院 | Working face collapse column grouting waterproof treatment method |
| CN113482632A (en) * | 2021-08-12 | 2021-10-08 | 中铁十二局集团有限公司 | Shield tunneling machine starting construction method with external water-rich silt stratum grouting pipe |
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