CN209385140U - A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ - Google Patents
A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ Download PDFInfo
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- CN209385140U CN209385140U CN201822153640.2U CN201822153640U CN209385140U CN 209385140 U CN209385140 U CN 209385140U CN 201822153640 U CN201822153640 U CN 201822153640U CN 209385140 U CN209385140 U CN 209385140U
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- security protection
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Abstract
The utility model provides a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ, including first support and horizontal connection in the second support of first support upper surface side, the first support includes multiple first crossbars and multiple vertical bars for being connected to first crossbar end bottom surface, the second support includes multiple for connecting the second crossbar of first support, and multiple braces being connected in the middle part of second crossbar for being supported with tunnel arch wall, the first crossbar and second crossbar are disposed with telescopic rod close to tunnel arch wall one end, it can provide in constructing tunnel horizontally-supported, improve the stability of rack, and it can control surrouding rock deformation, guarantee construction safety；Rack top surface is laid with by steel plate, and surrounding has protective net, and rack top surface unloads cinder notch with movable, makes full use of its flexibility, effectively increases slag discharge efficiency, is accelerated construction efficiency, is shortened the construction period, and economic benefit is obvious.
Description
Technical field
The utility model relates to technical field of tunnel construction, and in particular to a kind of existing tunnel of enlarging constructing tunnel in situ
Security protection Multifunctional bench.
Background technique
Currently, China oneself become in the world tunnel number at most, situation is most complicated, with fastest developing speed country.At some
In mouthful dense large- and-medium size cities or on the huge highway of vehicle flowrate, the transport capacity in tunnel oneself become and restrict traffic
Bottleneck.In face of increasingly severeer communications and transportation problem, existing tunnel carries out reorganization and expansion to meet the needs of communications and transportation,
The inevitable choice being compelled to do as certain local infrastructures.Currently, both at home and abroad tunnel reorganization and expansion field research compared with
It is few, while the research of its ancillary equipment also more lacks.The used rack function of current tunnel engineering construction is more single, construction
Efficiency is lower, is not suitable for the Enlargement excavation in tunnel in situ, and the rack of existing structure in the construction process can not be to
The existing tunnel of excavation is protected, and not can guarantee the safety of rack bottom construction in digging process, is not suitable for permanent hair
Exhibition and use.
Utility model content
The utility model provides a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ, function
Perfect, convenient for assembling, flexible and convenient can be improved construction speed, shortens the construction period, and can be effectively to having excavated both
There is tunnel to be protected.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ, including first support and level are even
It is connected to the second support of first support upper surface side, the first support includes multiple first crossbar and multiple is connected to
The vertical bar of one crossbar end bottom surface, the second support include multiple for connecting the second crossbars of first support and multiple
It is connected in the middle part of second crossbar and encircles for the brace with tunnel arch wall support, the first crossbar and second crossbar close to tunnel
Wall one end is disposed with telescopic rod, and the first support and second support upper surface are arranged with support plate, and open in the middle part of support plate
Equipped with unloading cinder notch, it is described unload cinder notch bottom end and be disposed with unload slag chute.
Further, the first reinforcing rib, phase are arranged between parallel vertical bar between parallel first crossbar
The second reinforcing rib is disposed between the first crossbar and vertical bar of connection, it is between parallel second crossbar and parallel oblique
Third reinforcing rib is arranged between bar.
Further, described unload is disposed with baffle above cinder notch, and in the connection of baffle hinge and support plate.
Further, the telescopic rod is hydraulic telescopic rod, and telescopic rod end is disposed with rubber pad.
Further, structural member and first support and second in structural member and second support in the first support
Frame is connected by high-strength bolt, and the tilt angle of brace is adjusted by high-strength bolt in second support.
Further, the first support and second support upper surface edge-perpendicular are disposed with protective net.
Further, the vertical bar lateral wall is disposed with ladder, and the vertical bar bottom is disposed with idler wheel, the vertical bar middle part
It is disposed with pull line.
From the above technical scheme, the utility model has the following beneficial effects: rack is by first support and second
Frame is connected by high-strength bolts composition, it can be achieved that the two-part separation in left and right and combining, and its longitudinally opposed position can be changed,
Rack both ends have telescopic rod simultaneously, can provide in constructing tunnel horizontally-supported, improve the stability of rack, and can control
Surrouding rock deformation processed guarantees construction safety；Rack top surface is laid with by steel plate, and surrounding has protective net, to the construction on rack
The protection of conveying people below personnel and rack is preferable, and cinder notch is unloaded with movable in rack top surface, makes full use of its flexibility,
Slag discharge efficiency is effectively increased, accelerates construction efficiency, shortens the construction period, and economic benefit is obvious.
Detailed description of the invention
Fig. 1 is the utility model rack front view；
Fig. 2 is rack side view；
Fig. 3 is rack top view；
Fig. 4 is that rack unloads cinder notch and baffle schematic diagram.
In figure: 1, first support, 2, second support, 3, first crossbar, 4, vertical bar, 5, second crossbar, 6, brace, 7, flexible
Bar, 8, support plate, 9, unload cinder notch, 10, unload slag chute, the 11, first reinforcing rib, the 12, second reinforcing rib, 13, third reinforcing rib, 14,
Baffle, 15, protective net, 16, ladder, 17, idler wheel, 18, high-strength bolt.
Specific embodiment
With reference to the accompanying drawing to a kind of more function of existing tunnel security protection of enlarging constructing tunnel in situ of the utility model
Energy rack preferred embodiment is described in detail.
As shown in Figure 1-3, a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ, including first
In the second support 2 of first support upper surface side, first support 1 includes multiple 3 He of first crossbar for bracket 1 and horizontal connection
Multiple vertical bars 4 for being connected to first crossbar end bottom surface, second support 2 include multiple the second cross for connecting first support 1
Bar 5 and it is multiple be connected in the middle part of second crossbar for and tunnel arch wall support brace 6, in first support 1 structural member and
Structural member and first support 1 are connected by high-strength bolt 18 with second support 2 in second support 2, and second support
On 2 the tilt angle of brace 6 adjusted by high-strength bolt, it can be achieved that the separation of left-right parts with combine, and it is vertical that it can be changed
To relative position, the later period is convenient for disassembly, and will be sent into tunnel after the completion of first support 1 and the connection of second support 2, is passed through height
Strength bolts adjust the tilt angle of brace 6, so that the end of brace 6 is in contact with tunnel arch wall, and then play support second
The purpose of bracket 2 improves the stability of rack；
First crossbar and second crossbar are disposed with telescopic rod 7 close to tunnel arch wall one end, after reaching predetermined position, make to stretch
The end of contracting bar is in contact with dike, applies horizontal restraint to tunnel by the jack 7 at rack both ends, provide it is horizontally-supported,
Rack double swerve is avoided, while can control the surrouding rock deformation generated after tunnel excavation, guarantees construction safety, and telescopic rod
7 be hydraulic telescopic rod, and telescopic rod end is disposed with rubber pad, and rubber pad can be improved effectively between telescopic rod and dike
Frictional force avoids sliding from generating；
It, can be to prevent using support plate as shown in figure 4, first support 1 and 2 upper surface of second support are arranged with support plate 8
Only rock is fallen in tunnel excavating process, while first support 1 and 2 upper surface edge-perpendicular of second support are disposed with protective net
15, and then construction convenience is improved while improving construction personnel's safety, and offer in the middle part of support plate 8 and unload cinder notch 9,
Unload 9 bottom end of cinder notch and be disposed with and unload slag chute 10, unload and be disposed with baffle 14 above cinder notch 9, and the connection of baffle hinge in support plate 8,
In tunnel excavation, baffle 14 is closed, and when slagging tap operation, baffle 14 is opened, and transiting vehicle, which docks at, unloads 10 bottom of slag chute, in turn
Substantially increase slag discharge efficiency, effectively very fast construction speed shortens the construction period；
The first reinforcing rib 11 is arranged between parallel first crossbar 3 between parallel vertical bar 4, utilizes first
Reinforcing rib 11 improves first to be parallel to each other as the connecting elements between two first crossbars 3 between two vertical bars 4
The parallel angle stability of cross bar and vertical bar is filled according to different places by the first reinforcing rib 11, first crossbar 3 and vertical bar 4
Rack with different length is disposed with the second reinforcing rib 12, utilizes second between the first crossbar 3 being connected and vertical bar 4
Reinforcing rib 12 improves the vertical angle stability between first crossbar 3 and vertical bar 4, between parallel second crossbar 5 with it is equal
It is arranged with third reinforcing rib 13 between capable brace 6, using third reinforcing rib 13 as the second crossbar 5 being parallel to each other and tiltedly
Parallel angle stability between bar 6；
4 lateral wall of vertical bar is disposed with ladder 16 simultaneously, and ladder facilitates construction personnel smoothly to climb up rack top surface, 4 bottom of vertical bar
Portion is disposed with idler wheel 17, is disposed with pull line in the middle part of vertical bar 4, sliding rail is arranged in existing tunnel, drawn using pull line
So that idler wheel 17 can drive rack to be moved, and then improve the flexibility of rack, but after telescopic rod is mutually fixed with arch wall, produce
The flat power of unboiled water so that rack cannot be moved forward and backward, and then improves the safety of construction.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (7)
1. a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ, it is characterised in that: including first
In the second support (2) of first support upper surface side, the first support (1) includes multiple for frame (1) and horizontal connection
One cross bar (3) and multiple vertical bars (4) for being connected to first crossbar end bottom surface, the second support (2) include multiple for connecting
The second crossbar (5) for connecing first support (1) and multiple second crossbar middle parts that are connected to are for the brace with tunnel arch wall support
(6), the first crossbar and second crossbar are disposed with telescopic rod (7) close to tunnel arch wall one end, the first support (1) and
Second support (2) upper surface is arranged with support plate (8), and is offered and unloaded cinder notch (9) in the middle part of support plate (8), described to unload cinder notch
(9) bottom end, which is disposed with, unloads slag chute (10).
2. a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ according to claim 1,
It is characterized in that: being arranged with the first reinforcing rib (11) between parallel vertical bar (4) between parallel first crossbar (3),
It is disposed between the first crossbar (3) being connected and vertical bar (4) the second reinforcing rib (12), parallel second crossbar (5)
Between third reinforcing rib (13) are arranged between parallel brace (6).
3. a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ according to claim 1,
Be characterized in that: described unload is disposed with baffle (14) above cinder notch (9), and on the connection of baffle hinge and support plate (8).
4. a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ according to claim 1,
Be characterized in that: the telescopic rod (7) is hydraulic telescopic rod, and telescopic rod end is disposed with rubber pad.
5. a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ according to claim 1,
It is characterized in that: structural member and first support (1) and second in structural member and second support (2) on the first support (1)
Frame (2) is connected by high-strength bolt (18), and the tilt angle of brace (6) passes through high-intensitive spiral shell in second support (2)
Bolt is adjusted.
6. a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ according to claim 1,
Be characterized in that: the first support (1) and second support (2) upper surface edge-perpendicular are disposed with protective net (15).
7. a kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ according to claim 1,
Be characterized in that: vertical bar (4) lateral wall is disposed with ladder (16), and vertical bar (4) bottom is disposed with idler wheel (17), described perpendicular
Pull line is disposed in the middle part of bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153640.2U CN209385140U (en) | 2018-12-21 | 2018-12-21 | A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822153640.2U CN209385140U (en) | 2018-12-21 | 2018-12-21 | A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385140U true CN209385140U (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822153640.2U Active CN209385140U (en) | 2018-12-21 | 2018-12-21 | A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441476A (en) * | 2018-12-21 | 2019-03-08 | 中铁四局集团有限公司 | A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ |
-
2018
- 2018-12-21 CN CN201822153640.2U patent/CN209385140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441476A (en) * | 2018-12-21 | 2019-03-08 | 中铁四局集团有限公司 | A kind of existing tunnel security protection Multifunctional bench of enlarging constructing tunnel in situ |
| CN109441476B (en) * | 2018-12-21 | 2024-04-26 | 中铁四局集团有限公司 | Existing tunnel safety protection multifunctional rack for in-situ extension tunnel construction |
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