CN208396719U - A kind of tunnel portal having both meeting lane function - Google Patents
A kind of tunnel portal having both meeting lane function Download PDFInfo
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- CN208396719U CN208396719U CN201820815740.4U CN201820815740U CN208396719U CN 208396719 U CN208396719 U CN 208396719U CN 201820815740 U CN201820815740 U CN 201820815740U CN 208396719 U CN208396719 U CN 208396719U
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- installations
- lane
- meeting
- tunnel
- tunnel portal
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Abstract
The utility model provides a kind of tunnel portal for having both meeting lane function, including A-road, meeting lane and installations and facilities place, sump and blower cushion cap, it is in the transition for collecting shape that meeting lane and installations and facilities place, which are symmetrically disposed on the A-road two sides at tunnel portal, meeting lane and installations and facilities place with what is extended into tunnel,；Sump is set on transition, and blower cushion cap is fixed on above the tunnel portal.The utility model is by widening band in tunnel portal arrangement, understand lane and installations and facilities place, the setting in hole can be cancelled and widen band or refuge chamber, the installations and facilities arrangement such as comprehensive blower, it favorably shortens the construction period, reduces cost, shorten time of cars meeting, improve construction efficiency, convenient for operational management, reduction security risk, the tunnel poor especially suitable for geological conditions, has broad popularization and application prospect.
Description
Technical field
The utility model relates to tunneling technique fields, and in particular to a kind of to be suitable for that geological conditions is poor, the meeting of needing
The tunnel in lane.
Background technique
Inevitably encountered in the excavation construction of smaller tunnel vehicle give another the right of way, difficulty the problem of, it is general at present
It is solved using the method for widening band or refuge chamber in setting hole.However, when tunnel geological conditions is poor, digged in hole or
Setting refuge chamber not only influences tunnel structure and stablizes, and there are security risks, and claim for eot, cost increase.Simultaneously as tunnel
Limited width, the gadgets such as blower facility can only be arranged in tunnel side slope or hole top, there are each installations and facilities away from
From hole farther out, the problems such as route is longer, security risk.
Utility model content
The purpose of the utility model is to overcome disadvantage existing in the prior art, provide one kind be conducive to cost reduce,
Duration shortens, installations and facilities are convenient for the knot of smaller tunnel under the unfavorable geological condition for being applicable to certain transportation condition arranged
Structure.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
A kind of tunnel portal having both meeting lane function, including access road, meeting lane and installations and facilities place, sump
And blower cushion cap, meeting lane are symmetrically disposed on the access road two sides of tunnel entrance with installations and facilities place, it can lane
Have outside hole with installations and facilities place and moves closer to the transition collected towards access road；Sump is set to gradually
Become in section, blower cushion cap is fixed on above tunnel portal.
Further, the width in meeting lane and installations and facilities place is 2 meters, length 8m.
Further, well depth of catchmenting is 1m.
The utility model has the beneficial effects that
The utility model is understood lane and installations and facilities place, can be cancelled by widening band in tunnel portal arrangement
Band or refuge chamber are widened in setting in hole, and the installations and facilities arrangement such as comprehensive blower favorably shortens the construction period, reduces cost, shortens meeting
Time improves construction efficiency, convenient for operational management, reduction security risk, and the tunnel poor especially suitable for geological conditions has
Wide popularization and application foreground.
Detailed description of the invention
Fig. 1 is the floor plan of the utility model.
Fig. 2 is the utility model A-A drawing in side sectional elevation.
Specific embodiment
The utility model will be further described with reference to the accompanying drawing.
Referring to attached drawing.The utility model is equipped with access road 6, meeting lane and installations and facilities place 2, sump 3 and wind
Machine cushion cap 4.Wherein, meeting lane and installations and facilities place 2 are arranged at tunnel import 1, and are symmetrically disposed on 6 liang of access road
Side.Respectively the width in meeting lane and installations and facilities place 2 is preferably 2m, length 8m.It particularly, can lane and installations and facilities place
2 have outside hole and in the transition 5 for collecting shape, i.e. road width is set by access road 6 and two sides meeting lane with equipment
The overall width for applying place 2 fades to the width of only access road 6.Sump 3 is arranged using the transition 5.Specifically, sump
3 planar dimension can be depending on 5 size of transition, and well depth of catchmenting is preferably 1m.
Blower cushion cap 4 is fixed on above the tunnel portal.
It should be pointed out that the embodiments of the present invention are described above.However, the technical staff of art technology should manage
Solution, the present utility model is not limited to the above embodiments, only illustrates the principles of the present invention described in above-described embodiment,
There are many changes and improvements for the utility model also meeting under the premise of not departing from the scope of the utility model, these changes and improvements are all
It falls within the scope of the claimed invention.
Claims (3)
1. a kind of tunnel portal for having both meeting lane function, it is characterised in that including access road, meeting lane and installations and facilities field
Ground, sump and blower cushion cap, it is described can lane and installations and facilities place be symmetrically disposed on tunnel entrance it is described into
Mouth both sides of the road, the meeting lane have outside hole with installations and facilities place and move closer to receive towards the access road
The transition of beam；The sump is set on the transition, and the blower cushion cap is fixed on above tunnel portal.
2. a kind of as described in claim 1 have both the tunnel portal for lane function, it is characterised in that described lane and set
The width in standby facility place is 2m, length 8m.
3. a kind of tunnel portal for having both meeting lane function as described in claim 1, it is characterised in that the well depth of catchmenting
For 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820815740.4U CN208396719U (en) | 2018-05-29 | 2018-05-29 | A kind of tunnel portal having both meeting lane function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820815740.4U CN208396719U (en) | 2018-05-29 | 2018-05-29 | A kind of tunnel portal having both meeting lane function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396719U true CN208396719U (en) | 2019-01-18 |
Family
ID=65134155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820815740.4U Active CN208396719U (en) | 2018-05-29 | 2018-05-29 | A kind of tunnel portal having both meeting lane function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396719U (en) |
-
2018
- 2018-05-29 CN CN201820815740.4U patent/CN208396719U/en active Active
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| GR01 | Patent grant | ||
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