CN109488327A - A kind of tunnel rack - Google Patents
A kind of tunnel rack Download PDFInfo
- Publication number
- CN109488327A CN109488327A CN201811512525.8A CN201811512525A CN109488327A CN 109488327 A CN109488327 A CN 109488327A CN 201811512525 A CN201811512525 A CN 201811512525A CN 109488327 A CN109488327 A CN 109488327A
- Authority
- CN
- China
- Prior art keywords
- otic placode
- elongation
- steel plate
- main couple
- tunnel
- 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.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel racks, including main couple and the otic placode being arranged on main couple, the otic placode is connect by connection structure with elongation otic placode, the connection structure include be welded on the first of otic placode two sides widen steel plate, be welded on elongation otic placode two sides second widen steel plate, elongation otic placode support plate, described first, which widens steel plate, is welded in elongation otic placode support plate, and described second, which widens steel plate, is fixedly connected by pin with elongation otic placode support plate.Elongation otic placode is arranged on the otic placode of rack and extends to the length of otic placode for this programme, in order to the operation of tunnel perimeter hole construction.
Description
Technical field
A kind of constructing tunnel device machine field of the present invention, and in particular to tunnel rack.
Background technique
In constructing tunnel, in order to which the carrying of rack when tunnel tunnel face excavation is smooth, rack, existing rack will use
Including main couple and otic placode, still, in the drill-blast tunnelling engineering in some tunnels, the otic placode of existing rack is shorter, causes tunnel
Periphery hole constructional difficulties.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of tunnel rack.
The present invention is achieved through the following technical solutions:
A kind of tunnel rack, including main couple and the otic placode being arranged on main couple, the otic placode passes through connection structure and elongation
Otic placode connection, the connection structure include being welded on the first of otic placode two sides widen steel plate, be welded on the of elongation otic placode two sides
Two widen steel plate, elongation otic placode support plate, and described first, which widens steel plate, is welded in elongation otic placode support plate, and described second widens
Steel plate is fixedly connected by pin with elongation otic placode support plate.Elongation otic placode is arranged to otic placode in this programme on the otic placode of rack
Length is extended, in order to the operation of tunnel perimeter hole construction.First widen steel plate, second widen steel plate respectively to otic placode,
The width of elongation otic placode two sides is extended, and enhances the stability connecting with elongation otic placode support plate.First widens steel plate and stretches
Using the connection type of welding between long otic placode support plate, guarantee the stability of structure；Second widens steel plate and elongation otic placode branch
It is attached between fagging using pin, it is easy to disassemble, so that rack is met a variety of use demands.When tunnel cross-section width is smaller
When, without using elongation otic placode, inner wall operation can be completed；And for wider tunnel, when rack otic placode is shorter, the bad work in two sidewalls
Industry, and security risk is increased, therefore the technical method of elongation otic placode is used to protect simultaneously to meet the construction operation of two sidewalls
The safety for having hindered worker is also beneficial to construct.
Preferably, in order to further improve the stability of elongation otic placode structure, the rank of the otic placode and elongation otic placode
Connect that end is provided with step and elongation otic placode is placed in below step.
Preferably, described second widens steel plate by more in order to further improve the stability of elongation otic placode structure
A pin is fixedly connected with elongation otic placode support plate.
Further, the pin has 4.
Preferably, the otic placode has 4.
Further, in order to further improve the stability of horse structure, the main couple includes two root posts main truss
Frame, the upper beam main couple for being connected to two root posts main couple top, the middle cross beam master being connected between two root posts main couple
The both ends of middle cross beam main couple are arranged in truss, the groined type reinforcing member being arranged on middle cross beam main couple, the otic placode.
Further, the length of the otic placode is 1000-1200mm, provides initial job using rack construction for worker
Face.The length of the elongation otic placode is 400mm-600mm, and elongation otic placode plays auxiliary elongate, uses rack for construction personnel
More operating spaces are provided when construction.
Compared with prior art, the present invention having the following advantages and benefits:
1, present invention setting elongation otic placode on the otic placode of rack extends the length of otic placode, in order to which tunnel perimeter hole is applied
The operation of work.
2, of the invention first widen steel plate, second widen steel plate respectively to otic placode, extend otic placode two sides width carry out
Extension enhances the stability connecting with elongation otic placode support plate；First widens between steel plate and elongation otic placode support plate using weldering
The connection type connect guarantees the stability of structure；Second is widened between steel plate and elongation otic placode support plate and is connected using pin
It connects, it is easy to disassemble, so that rack is met a variety of use demands.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.
Cross-sectional view when Fig. 1 is use of the invention.
Fig. 2 is the cross-sectional view of otic placode and elongation otic placode of the invention.
Fig. 3 is the top view of otic placode and elongation otic placode of the invention.
Fig. 4 is the perspective view of otic placode and elongation otic placode of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
A kind of tunnel rack as shown in Figures 1 to 4, for the construction in tunnel 32, including main couple and setting are on main couple
Otic placode 9, the otic placode 9 connect by connection structure with elongation otic placode 13, and the connection structure is including being welded on 9 two sides of otic placode
First widen steel plate 11, be welded on the second of elongation 13 two sides of otic placode and widen steel plate 33, elongation otic placode support plate 17, described the
One, which widens steel plate 11, is welded in elongation otic placode support plate 17, and described second, which widens steel plate 33, passes through pin 15 and elongation otic placode branch
Fagging 17 is fixedly connected.
Embodiment 2
The present embodiment improves on the basis of above-described embodiment structure, i.e. the cohesive end of otic placode 9 and elongation otic placode 13 is arranged
There is step and elongation otic placode 13 is placed in below step.Otic placode 9 at elongation otic placode connecting pin wedgewise structure, extend changing for otic placode
End is similarly wedge structure.The length of otic placode 9 is 1000-1200mm；The length of the elongation otic placode 13 is 400mm-600mm.
Preferably, the length of otic placode 9 is 1200mm；Elongation otic placode shop is 600mm, and it is empty that bigger activity can be provided for constructing tunnel
Between.
Main couple 1 include two root posts main couple 1, be connected to 1 top of two root posts main couple upper beam main couple 2,
It is connected to the middle cross beam main couple 3 between two root posts main couple 1, the groined type reinforcing member being arranged on middle cross beam main couple 3
4, the both ends of middle cross beam main couple 3 are arranged in the otic placode 9.The otic placode 9 has 4, is separately positioned on middle cross beam main couple 3
Both ends, main couple 1 is at door type structure and at symmetrical structure to guarantee stable structure.
Second, which widens steel plate 33, is fixedly connected by multiple pins 15 with elongation otic placode support plate 17.Preferably, pin has 4
It is a.Second widens setting pin hole 35 on steel plate 33, and pin 15 is placed in pin hole 35 and realizes the two connection.
When installation:
The wedge structure that length is 20mm is made in otic placode 9 and elongation otic placode connecting pin；
The wedge shape elongation otic placode 13 that production matches with 9 wedge structure of otic placode；
One piece first is respectively welded in 9 two sides of otic placode and widens steel plate 11, is respectively welded one piece second in elongation 13 two sides of otic placode
Widen steel plate 33；
By otic placode 9 and elongation otic placode support plate 17 widens steel plate 11 by first and elongation otic placode support plate 17 welds together；
Elongation 13 two sides of otic placode are welded with the second of reserved pin hole 35 and widen steel plate 33, and by two sides, totally 4 pins 15 will be stretched
Long otic placode 13 and elongation otic placode support plate 3 bolt.
Total otic placode 9 and first widens the welding of steel plate 11, extends otic placode support plate 17 and first and widens the weldering of steel plate 11
It connects；And extend otic placode 13 and second and widen the welding of steel plate 33, it extends the second of otic placode and widens steel plate 33 and elongation otic placode support plate
17 are bolted by horse pin 15.Tunnel rack solves otic placode by elongation otic placode using otic placode elongated structure and elongation method
The too short disadvantage for causing construction inconvenient, site test results show that otic placode elongated structure and elongation method solve this problem,
Constructing tunnel is facilitated to a certain extent.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of tunnel rack, including main couple and the otic placode (9) being arranged on main couple, which is characterized in that the otic placode (9)
It is connect by connection structure with elongation otic placode (13), the connection structure includes being welded on the first of otic placode (9) two sides to widen steel
Plate (11), be welded on elongation otic placode (13) two sides second widen steel plate (33), elongation otic placode support plate (17), described first plus
Wide steel plate (11) is welded in elongation otic placode support plate (17), and described second, which widens steel plate (33), passes through pin (15) and elongation ear
Plate support plate (17) is fixedly connected.
2. a kind of tunnel rack according to claim 1, which is characterized in that the otic placode (9) and elongation otic placode (13)
Cohesive end is provided with step and elongation otic placode (13) is placed in below step.
3. a kind of tunnel rack according to claim 1, which is characterized in that described second widens steel plate (33) by multiple
Pin is fixedly connected with elongation otic placode support plate (17).
4. a kind of tunnel rack according to claim 3, which is characterized in that the pin has 4.
5. a kind of tunnel rack according to claim 1, which is characterized in that the otic placode (9) has 4.
6. a kind of tunnel rack according to claim 5, which is characterized in that the main couple (1) includes two root posts master
Truss (1), is connected to two root posts main couple (1) at the upper beam main couple (2) for being connected to two root posts main couple (1) top
Between middle cross beam main couple (3), groined type reinforcing member (4) on middle cross beam main couple (3) is set, the otic placode (9) sets
Set the both ends in middle cross beam main couple (3).
7. a kind of tunnel rack according to claim 5, which is characterized in that the length of the otic placode (9) is 1000-
1200mm；The length of elongation otic placode (13) is 400mm-600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512525.8A CN109488327A (en) | 2018-12-11 | 2018-12-11 | A kind of tunnel rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512525.8A CN109488327A (en) | 2018-12-11 | 2018-12-11 | A kind of tunnel rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488327A true CN109488327A (en) | 2019-03-19 |
Family
ID=65698447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811512525.8A Pending CN109488327A (en) | 2018-12-11 | 2018-12-11 | A kind of tunnel rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488327A (en) |
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