CN206972270U - A kind of first branch bow member connecting plate protection device in tunnel - Google Patents
A kind of first branch bow member connecting plate protection device in tunnel Download PDFInfo
- Publication number
- CN206972270U CN206972270U CN201720718152.4U CN201720718152U CN206972270U CN 206972270 U CN206972270 U CN 206972270U CN 201720718152 U CN201720718152 U CN 201720718152U CN 206972270 U CN206972270 U CN 206972270U
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- China
- Prior art keywords
- connecting plate
- bow member
- tunnel
- box body
- protection device
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- Lining And Supports For Tunnels (AREA)
Abstract
A kind of first branch bow member connecting plate protection device in tunnel, the connecting plate（2）Upper lid is equipped with the box body of one side opening（4）, the box body（4）Size and connecting plate（2）Size be engaged；Described box body（4）It is made using thick bamboo slab rubber.Tunnel is preferably resolved to get out of a predicament or an embarrassing situation the connecting plate of bow member and inverted arch bow member junction（2）The problem of being sprayed by first branch concrete, not only saving of labor but also time saving, served to bow member and the connecting plate of inverted arch bow member junction of getting out of a predicament or an embarrassing situation again（2）Protective effect.
Description
Technical field
A kind of protection device is the utility model is related to, more specifically to a kind of tunnel just branch bow member connecting plate protection dress
Put, belong to Construction technology for primary support of tunnel field.
Background technology
In Weak Surrounding Rock Construction, inverted arch is to be arranged on the anti-of tunnel bottom to improve top supporting construction stress condition
To domes, it is one of chief component of tunnel structure.On the one hand inverted arch leads to the strata pressure on tunnel top
Cross tunnel side wall structure or the load on road surface is effectively delivered to underground, with the other hand also effectively resisting tunnel bottom
The counter-force that layer transmits；Inverted arch forms tunnel entirety with secondary lining, increases structural stability.
Due to constructing tunnel or design reasons, bow member is got out of a predicament or an embarrassing situation when carrying out just branch whitewashing in tunnel, and Gunning material is easily even
Fishplate bar（With inverted arch junction）Cover in, therefore inverted arch construction is affected greatly, it is necessary to take measures connecting plate to dig out
Come, not only taken a lot of work but also time-consuming.At present, for connecting plate it is covered live the problem of, traditional mode is to dig out connecting plate using pneumatic pick,
Or dug in first branch face and be welded to connect plate；It is again low using efficiency during these measure expense expensess of labour, and welding occurs again not
In place, the not full phenomenon of weld seam, and certain destruction can be caused to first branch structure.
The content of the invention
The purpose of this utility model be for existing connecting plate it is covered live the problem of expense existing for the measure taken
Efficiency is again low and the problems such as can cause certain destruction to first branch structure during expenses of labour, there is provided a kind of first branch bow member connecting plate in tunnel
Protection device.
To achieve the above object, technical solution of the present utility model is：A kind of just branch bow member connecting plate protection of tunnel
Device, lid is equipped with the box body of one side opening on the connecting plate, and the size of the box body is engaged with the size of connecting plate.
The a length of 60cm of described box body, a width of 41cm, thickness 5cm.
Described box body is made using thick bamboo slab rubber.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is novel, simple in construction, economic and practical, and easy to operate, construction is easily.
2nd, the utility model preferably resolves that bow member is got out of a predicament or an embarrassing situation in tunnel and the connecting plate of inverted arch bow member junction is just propped up
The problem of concrete sprays, not only saving of labor but also time saving, served to bow member and the connecting plate of inverted arch bow member junction of getting out of a predicament or an embarrassing situation again
Protective effect.
3rd, the utility model is easily drawn materials, easily manufactured；And reusable edible, cost are relatively low.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is box body structure schematic diagram in the utility model.
Fig. 3 is got out of a predicament or an embarrassing situation in the utility model bow member and inverted arch bow member junction schematic diagram.
In figure, bow member 1 of getting out of a predicament or an embarrassing situation, connecting plate 2, inverted arch bow member 3, box body 4.
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and embodiment.
Referring to Fig. 1 to Fig. 3, the first branch bow member connecting plate protection device in a kind of tunnel, especially suitable for being faced upward using weak surrounding rock
Encircle the Tunnel of connecting plate connection；On the connecting plate 2 lid be equipped with one side opening box body 4, the size of the box body 4 with
The size of connecting plate 2 is engaged.
Referring to Fig. 1, specifically, described 4 a length of 60cm of box body, a width of 41cm, thickness 5cm.
Referring to Fig. 1, described box body 4 is made using thick bamboo slab rubber.
Referring to Fig. 1 to Fig. 3, during using this protection device, box body 4 need to be fixed at connecting plate 2 before whitewashing will connection
Plate 2 is covered as its protection device, and the bow member 1 that carries out getting out of a predicament or an embarrassing situation afterwards again is whitewashed；After whitewashing terminates, this protection dress is removed rapidly
Put, generally take out box body 4；So as to effectively prevent the problem of connecting plate 2 is sprayed by Gunning material, serve to getting out of a predicament or an embarrassing situation
The protective effect of bow member 1 and the connecting plate 2 of the junction of inverted arch bow member 3.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace, said structure can also be made
The scope of protection of the utility model should be all considered as belonging to.
Claims (3)
- A kind of 1. first branch bow member connecting plate protection device in tunnel, it is characterised in that：The connecting plate（2）Upper lid is equipped with one side opening Box body（4）, the box body（4）Size and connecting plate（2）Size be engaged.
- A kind of 2. first branch bow member connecting plate protection device in tunnel according to claim 1, it is characterised in that：Described box body （4）A length of 60cm, a width of 41cm, thickness 5cm.
- A kind of 3. first branch bow member connecting plate protection device in tunnel according to claim 1, it is characterised in that：Described box body （4）It is made using thick bamboo slab rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720718152.4U CN206972270U (en) | 2017-06-20 | 2017-06-20 | A kind of first branch bow member connecting plate protection device in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720718152.4U CN206972270U (en) | 2017-06-20 | 2017-06-20 | A kind of first branch bow member connecting plate protection device in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972270U true CN206972270U (en) | 2018-02-06 |
Family
ID=61409465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720718152.4U Active CN206972270U (en) | 2017-06-20 | 2017-06-20 | A kind of first branch bow member connecting plate protection device in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577341A (en) * | 2020-04-02 | 2020-08-25 | 杨宪超 | Concrete is spouted just and is prevented plugging device with bow member |
-
2017
- 2017-06-20 CN CN201720718152.4U patent/CN206972270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577341A (en) * | 2020-04-02 | 2020-08-25 | 杨宪超 | Concrete is spouted just and is prevented plugging device with bow member |
| CN111577341B (en) * | 2020-04-02 | 2022-01-25 | 阳春市豪基实业有限公司 | Concrete is spouted just and is prevented plugging device with bow member |
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