CN206409253U - A kind of tunnel temporary protection device - Google Patents
A kind of tunnel temporary protection device Download PDFInfo
- Publication number
- CN206409253U CN206409253U CN201720050246.9U CN201720050246U CN206409253U CN 206409253 U CN206409253 U CN 206409253U CN 201720050246 U CN201720050246 U CN 201720050246U CN 206409253 U CN206409253 U CN 206409253U
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- CN
- China
- Prior art keywords
- protective stent
- tunnel
- protection device
- power set
- temporary protection
- 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.)
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Abstract
The utility model discloses a kind of tunnel temporary protection device, belong to tunneling technique field, designed to solve the problems such as prior art is big to tunnel original structure destructive power, cost is high.The utility model tunnel temporary protection device includes main frame, protective stent and multiple first power set being arranged on main frame, protective stent includes multiple protective stent units in arcuation, each protective stent unit be connected to the first corresponding power set and can side or movement outside are so that protective stent is changed between contraction state opening radially inward under the driving of the first corresponding power set, in the arch being adapted with tunnel-shaped to support tunnel when protective stent is in open configuration.The utility model tunnel temporary protection device can be avoided to existing tunnel structural damage and fabrication cycle is short, repeat utilization, utilization rate is high, cost is low.
Description
Technical field
The utility model is related to tunneling technique field, more particularly to a kind of tunnel temporary protection device.
Background technology
With the application of building up of a large amount of highway mountain tunnels of China, the Defects Treatment and reinforcing engineering of operation tunnel are increasingly
Many, tunnel defect punishment work progress is generally required carries out gib to liner structure, to ensure the peace of tunnel teardown operation
Complete and protection portion does the liner structure reinforced.Traditional gib needs punched, anchored at tunnel side wall position, this
Provisional protection mode has stronger destructive power to existing tunnel liner structure, meanwhile, provisional protection structure dismounting operation is very
It is cumbersome, availability than relatively low, duty cycle length, cost of labor is high, be unfavorable for construction cost control, and operation of ascending a height, coagulation
Soil drops etc. may threaten to staff, security is relatively low.
Utility model content
The purpose of this utility model is that proposition is a kind of and avoids the tunnel high to existing tunnel structural damage, utilization rate
Temporary protection device.
For up to this purpose, the utility model uses following technical scheme：
A kind of tunnel temporary protection device, including main frame, protective stent and be arranged on the main frame multiple
One power set, the protective stent includes multiple protective stent units in arcuation, each protective stent unit connection
In corresponding first power set and can under the driving of corresponding first power set radially to
Inner or outer side is moved so that the protective stent is opening the conversion between contraction state, and the protective stent, which is in, to be opened
In the arch being adapted with tunnel-shaped to support tunnel during state.
Further, the quantity of the protective stent unit is three, respectively the top protective stent unit positioned at middle part
It is located at two side protective stent units in the outside of top protective stent unit two respectively.
Further, the down either side of the top protective stent unit is respectively arranged with the be connected on the main frame
Two power set, the output shaft of second power set can abut the top protective stent unit to be after extending radially
The top protective stent unit provides thrust radially.
Further, the tunnel temporary protection device also includes being connected to the spacing of the top protective stent unit bottom surface
Sleeve, the upper end of the output shaft of second power set is in the spacing collar all the time.
Further, protective plate is respectively arranged with above each protective stent unit, the protective plate, which is blocked, to be located at
Region below.
Further, the protection inter-plate gap adjacent when the protective stent is in open configuration coordinates.
Further, the tunnel temporary protection device also includes multiple support members being arranged on the main frame, institute
State when protective stent is in contraction state and be supported on the support member.
Further, the main frame has wheel.
Further, the main frame bottom is provided with the 3rd power set, and the 3rd power set are used for described
Main frame, which is parked in after predeterminated position, drives the main frame to be lifted along longitudinal direction.
Further, protective stent unit described in wherein at least one includes the metal frame that at least two Pin be arranged in parallel.
The beneficial effects of the utility model are as follows：
The utility model tunnel temporary protection device, when needing protection tunnel, main frame is parked to predeterminated position, so
The first power set drive corresponding protective stent unit to move radially outwards until protective stent is in and tunnel afterwards
The open configuration for the arch that shape is adapted is to support tunnel；After protected working is completed, the driving of the first power set is right with it
Sequentially lateral movement is to shrink protective stent radially inward for the protective stent unit answered, then by tunnel temporary protection device from tunnel
Removed in road.The tunnel temporary protection device of this structure can avoid to existing tunnel structural damage and fabrication cycle it is short,
Repeatable utilization, utilization rate height, cost are low.
Brief description of the drawings
Fig. 1 is front view when the utility model preferred embodiment tunnel temporary protection device is in extended configuration；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is front view when the utility model preferred embodiment tunnel temporary protection device is in contraction state；
Fig. 4 is side view when the utility model preferred embodiment tunnel temporary protection device is in extended configuration；
Fig. 5 is top view when the utility model preferred embodiment tunnel temporary protection device is in extended configuration.
In figure：1st, main frame；2nd, protective stent；3rd, the first power set；4th, the second power set；5th, the 3rd power is filled
Put；6th, spacing collar；7th, support member；8th, wheel；9th, tunnel；11st, crossbeam；21st, protective stent unit is pushed up；22nd, side protective stent
Unit；200th, metal frame.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment：
This preferred embodiment provides a kind of tunnel temporary protection device, including main frame 1, protective stent 2 and is arranged at
Multiple first power set 3 on main frame 1, protective stent 2 includes multiple protective stent units in arcuation, each protection branch
Frame unit is connected to the first corresponding power set 3 and can be under the driving of the first corresponding power set 3 along footpath
To inner side or movement outside, so that protective stent 2 is opening the conversion between contraction state, protective stent 2, which is in, opens shape
In the arch being adapted with the shape of tunnel 9 to support tunnel 9 during state.First power set 3 preferably but are not limited to hydraulic means.
The quantity of corresponding first power set 3 of each protective stent unit is not specifically limited, and can be set according to specific needs
Put, first support protective unit can be driven radially movable, but preferably at least two.
The tunnel temporary protection device that the present embodiment is provided, when needing protection tunnel 9, main frame 1 is parked to default
Position, then the first power set 3 drive corresponding protective stent unit radially lateral movement until protective stent 2
Open configuration in the arch being adapted with the shape of tunnel 9；After protected working is completed, the first power set 3 drive and it
Sequentially lateral movement is to shrink protective stent 2 radially inward for corresponding protective stent unit, then by tunnel temporary protection device
Removed from tunnel.The tunnel temporary protection device of this structure can avoid to the structural damage of existing tunnel 9 and make week
Phase is short, repeat utilization, utilization rate is high, cost is low.
The quantity of protective stent unit is not specifically limited, and can make it that protective stent 2 is domed when opening, shrinking
When space-consuming reduce.But in view of the convenience of operation, it is preferable that the quantity of protective stent unit is three, respectively
To be located at positioned at the top protective stent unit 21 at middle part and respectively two side protective stents in top 21 liang of outsides of protective stent unit
Unit 22.Preferably, when protective stent 2 opens, protective stent unit 21 and side protective stent unit 22 are pushed up successively radially
Outside lateral movement, when protective stent 2 shrinks, side protective stent unit 22 and pushes up protective stent unit 21 successively radially inward
Lateral movement.
The connected mode of the first corresponding power set 3 of top protective stent unit 21 is not specifically limited, but preferably
Crossbeam 11 is provided with below ground, the middle part of protective stent unit, the output shaft of the first corresponding power set 3 is connected to institute
State crossbeam 11.
On the basis of said structure, the down either side of top protective stent unit 21, which is respectively arranged with, is connected to main frame 1
On the second power set 4, the output shaft of the second power set 4 can be abutted after extending radially top protective stent unit 21 so as to
Thrust radially is provided for top protective stent unit 21.Second power set 4 preferably but are not limited to hydraulic means.
Because the both sides of top protective stent unit 21 are in radially lateral movement, positioned at the motion rail of its Outboard Sections
Mark is non-rectilinear, in order to ensure that the second power set 4 can keep the thrust to pushing up protective stent unit 21, in said structure
On the basis of, tunnel temporary protection device also includes the spacing collar 6 for being connected to the bottom surface of top protective stent unit 21, the second power dress
The upper end for putting 4 output shaft is in spacing collar 6 all the time.It is preferably to weld between spacing collar 6 and top protective stent unit 21
Connect in succession.
On the basis of said structure, protective plate is respectively arranged with above each protective stent unit, protective plate blocks position
In region below, to prevent the concrete chip off-falling in tunnel 9 from dropping downwards, security is higher.Protective plate and carrier unit
Connected mode be not specifically limited, for example can be using being welded to connect.
On the basis of said structure, when protective stent 2 is in open configuration, adjacent protection inter-plate gap coordinates.With
Avoid interfering between the protective plate adjacent when protective stent 2 shrinks.
The structure of each protective stent unit is not specifically limited, and tunnel 9 can be supported when opening.In order to ensure
Stability, wherein at least one protective stent unit includes the metal frame 200 that at least two Pin be arranged in parallel.For example, prolonging in tunnel 9
Stretch direction sets the spacing between four Pin metal frames 200, adjacent metal frame 200 to be 1m altogether.
Every Pin metal frames 200 preferably but not limited to are respectively provided with the first power set 3 corresponding thereto to drive it
It is radially movable；Every Pin metal frames 200 preferably but not limited to have at least two the first corresponding power set 3
Drive its radially movable.It is of course also possible to be that part metals frame 200 therein has the first power set corresponding thereto
3.Can be connected between two adjacent Pin metal frames 200 by metal dowel or two adjacent Pin metal frames 200 between
It is not directly connected to but is all connected on corresponding protective plate.
On the basis of said structure, tunnel temporary protection device also includes multiple (multiple to refer at least two) and is arranged at master
Support member 7 on framework 1, protective stent 2 is supported on support member 7 when being in contraction state, and receipts are in improve protective stent 2
The stability of tunnel temporary protection device, security during contracting state.The quantity and arrangement of support member 7 are not specifically limited, preferably
But the collapsed position for being not limited to each protective stent unit is provided with support member 7, to cause each protective stent unit
It can be supported during in retracted position.
On the basis of said structure, main frame 1 has wheel 8, in order to mobile whole tunnel temporary protection device.Car
Wheel 8 is preferred but is not limited to rubber wheel 8.The quantity of wheel 8 is not specifically limited, and can be configured according to specific needs.
On the basis of said structure, the bottom of main frame 1 is provided with the 3rd power set 5, and the 3rd power set 5 are used for
Main frame 1, which is parked in after predeterminated position, drives main frame 1 along longitudinal lifting.3rd power set 5 preferably but are not limited to hydraulic pressure
Device.The quantity of 3rd power set 5 and distribution are not specifically limited, and can be configured according to specific needs, can be driven
Main frame 1 is lifted along longitudinal direction.
The application method of the present embodiment tunnel temporary protection device is introduced briefly below：
When protection is needed in tunnel 9, tunnel temporary protection device is moved and parked to predeterminated position, passes through the 3rd power
Device 5 rises main frame 1 along longitudinal, keeps stable after maximum range is risen to；Open again and top protective stent unit 21
The corresponding power set 4 of first power set 3 and second will push up protective stent unit 21 and lift and push up to the lining cutting arch table of tunnel 9
At face, and keep stable；Then open side protective stent unit with corresponding first power set 3 of side protective stent unit 22
22 lift and push up to the lining cutting arch surface of tunnel 9, complete the stretching, extension supporting of tunnel temporary protection device.
After protected working is completed, the side protective stent unit 22 of both sides is bounced back to radially inward first corresponding
Security component at and fixation, then protective stent unit is bounced back at corresponding security component and fixation, finally will be main
Framework 1 declines, wheel 8 lands, remove protective gear.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to the utility model protection domain can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within protection domain of the present utility model.
Claims (10)
1. a kind of tunnel temporary protection device, it is characterised in that including main frame (1), protective stent (2) and be arranged at the master
Multiple first power set (3) on framework (1), the protective stent (2) includes multiple protective stent units in arcuation, often
The individual protective stent unit is connected to corresponding first power set (3) and can be corresponding described
Under the driving of one power set (3) radially inward side or movement outside so that the protective stent (2) is opening and received
Changed between contracting state, in the arch that is adapted with tunnel (9) shape to support tunnel when the protective stent (2) is in open configuration
Road (9).
2. tunnel temporary protection device according to claim 1, it is characterised in that the quantity of the protective stent unit is
Three, respectively positioned at the top protective stent unit (21) at middle part and respectively positioned at the outside of top protective stent unit (21) two
Two side protective stent units (22).
3. tunnel temporary protection device according to claim 2, it is characterised in that the top protective stent unit (21)
Down either side is respectively arranged with the second power set (4) being connected on the main frame (1), second power set (4)
Output shaft extend radially after can abut it is described top protective stent unit (21) so as to for it is described top protective stent unit (21)
Thrust radially is provided.
4. tunnel temporary protection device according to claim 3, it is characterised in that the tunnel temporary protection device is also wrapped
The spacing collar (6) for being connected to described top protective stent unit (21) bottom surface is included, the output shaft of second power set (4)
Upper end is in the spacing collar (6) all the time.
5. the tunnel temporary protection device according to any one of Claims 1-4, it is characterised in that each protection branch
Protective plate is respectively arranged with above frame unit, the protective plate blocks the region being disposed below.
6. tunnel temporary protection device according to claim 5, it is characterised in that be in and open in the protective stent (2)
The adjacent protection inter-plate gap coordinates during open state.
7. the tunnel temporary protection device according to any one of Claims 1-4, it is characterised in that prevent temporarily in the tunnel
Protection unit also includes multiple support members (7) being arranged on the main frame (1), and the protective stent (2) is in contraction state
When be supported on the support member (7).
8. the tunnel temporary protection device according to any one of Claims 1-4, it is characterised in that main frame (1) tool
There is wheel (8).
9. the tunnel temporary protection device according to any one of Claims 1-4, it is characterised in that main frame (1) bottom
Portion is provided with the 3rd power set (5), and the 3rd power set (5) are used to be parked in predeterminated position in the main frame (1)
After drive the main frame (1) along longitudinal lifting.
10. the tunnel temporary protection device according to any one of Claims 1-4, it is characterised in that wherein at least one institute
Stating protective stent unit includes the metal frame (200) that at least two Pin be arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050246.9U CN206409253U (en) | 2017-01-16 | 2017-01-16 | A kind of tunnel temporary protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050246.9U CN206409253U (en) | 2017-01-16 | 2017-01-16 | A kind of tunnel temporary protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409253U true CN206409253U (en) | 2017-08-15 |
Family
ID=59555650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720050246.9U Expired - Fee Related CN206409253U (en) | 2017-01-16 | 2017-01-16 | A kind of tunnel temporary protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410117A (en) * | 2019-08-05 | 2019-11-05 | 鲁维彬 | A kind of surrounding rock tunnel supporting construction |
-
2017
- 2017-01-16 CN CN201720050246.9U patent/CN206409253U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410117A (en) * | 2019-08-05 | 2019-11-05 | 鲁维彬 | A kind of surrounding rock tunnel supporting construction |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20180116 |