CN106437734B - The shape of a hoof shield excavating device and tunnel excavation method of anhydrous soft soil tunnel - Google Patents
The shape of a hoof shield excavating device and tunnel excavation method of anhydrous soft soil tunnel Download PDFInfo
- Publication number
- CN106437734B CN106437734B CN201611022081.0A CN201611022081A CN106437734B CN 106437734 B CN106437734 B CN 106437734B CN 201611022081 A CN201611022081 A CN 201611022081A CN 106437734 B CN106437734 B CN 106437734B
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- tunnel
- support
- shield assembly
- host rack
- assembly
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 title claims abstract description 16
- 210000000003 hoof Anatomy 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 12
- 230000005641 tunneling Effects 0.000 claims description 11
- 239000004567 concrete Substances 0.000 claims description 6
- 239000011378 shotcrete Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000007418 data mining Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- 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
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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention belongs to tunnel piercing technical field.The shape of a hoof shield excavating device and tunnel excavation method of a kind of anhydrous soft soil tunnel, including host rack, upper shield assembly, side shield assembly and stride walking assembly, upper shield assembly and side shield assembly are fitted with the matching support of tunnel end profile, support adjustment mechanism is provided between upper shield assembly and side shield assembly and host rack, the workbench for excavator excavation work is provided with the middle part of described host rack, dregs conveyer is provided with the bottom of host rack, the rear end of host rack is provided with the assembled mechanism of steel arch-shelf.The present invention using excavator or other there is the equipment of data mining duty to carry out excavation operation, and design synchronous deslagging device, excavation two processes of slagging tap is carried out simultaneously, raising operating efficiency；Adjustable shield structure and advanced wet shot device are used in the application, it is ensured that the security of each procedures, substantially increase the stability of safety support.
Description
Technical field
The invention belongs to tunnel piercing technical field, and in particular to a kind of shape of a hoof shield of anhydrous soft soil tunnel excavates dress
Put and tunnel excavation method.
Background technology
Current domestic constructing tunnel, mainly using shield method, three kinds of construction methods of New Austrian Tunneling Method and Mining Method, for the mountain ridge
For big cross section horse-shoe tunnel, substantially all use New Austrian Tunneling Method operation, i.e., " disturbance, early shotcrete, fast closing, duty are surveyed less
Amount ".But when tunnel geology is loess or weak soil, relatively low using the New Austrian Tunneling Method efficiency of construction of manual work, security is poor, and shield
Structure construction is not suitable for this kind of stratum again.Therefore, the application proposes a kind of new excavating device mentality of designing, and it merges shield shield
Shield and principle of slagging tap, and follow the core content of New Austrian Tunneling Method construction.
The content of the invention
The purpose of the present invention is that there is provided a kind of reasonable in design, compact, construction for above-mentioned problem and shortage
Efficiency high, security performance is stable, and facilitates shape of a hoof shield excavating device and the tunnel excavation side of adjustable anhydrous soft soil tunnel
Method.
To reach that above-mentioned purpose is adopted the technical scheme that：
A kind of shape of a hoof shield excavating device of anhydrous soft soil tunnel, including host rack, be arranged at the top of host rack
Upper shield assembly, the pivot joint side shield assembly for the being arranged on shield assembly both sides and stride for being arranged on host rack bottom
Walking assembly, upper shield assembly and side shield assembly are fitted with the matching support of tunnel end profile, are protected in upper shield assembly and side
It is provided with to be provided with the middle part of support adjustment mechanism, described host rack between shield assembly and host rack and excavates work for excavator
The workbench of work, dregs conveyer is provided with the lower tilt of host rack, and the rear end of host rack is provided with assembled steel
The assembled mechanism of the steel arch-shelf of bow member.
Described support adjustment mechanism includes sliding support frame, the branch being arranged between sliding support frame and upper shield assembly
Support oil cylinder, the traversing oil cylinder being arranged between sliding support frame and host rack and be arranged on side shield assembly and main frame branch
Expansion oil cylinder between frame.
Described host rack front end is provided with the wet shot device of gunite concrete.
Described stride walking assembly include front and rear three pieces be arranged side by side and tunnel bottom outline supporting plate boots,
Matching is slidably arranged in middle support actuating arm and end support actuating arm on host rack, and described middle support actuating arm is with being located at
Hoist cylinder is provided between the supporting plate boots at middle part, described end support actuating arm is crossed on middle support actuating arm, and end
Support the two ends of actuating arm and hoist cylinder is also equipped between the two supporting plate boots at two ends, middle support actuating arm and end branch
It is provided between support actuating arm and host rack and changes step oil cylinder.
Described dregs conveyer is scraper conveyor, and suspention is provided between scraper conveyor and host rack
Bar.
The arc radius of described upper shield assembly and side shield assembly expansion composition is compared with the tunnel contour of tunneling
Small 250mm ~ the 350mm of radius.
A kind of tunnel excavation method using above-mentioned shape of a hoof shield excavating device, comprises the following steps：
1. adjustment support：According to the end profile of tunneling, by the support cylinder and traversing oil that support adjustment mechanism
The position of the upper shield assembly of cylinder adjustment and height, do Preliminary safety ballistic support, by supporting the expansion oil cylinder of adjustment mechanism, drive
Dynamic side shield assembly deploys to both sides so that side shield assembly adapts to tunnel cross-section size, and supports two side areas；
2. the excavation of face upper area：First by the excavator on the workbench of host rack, according to tunnel
Profiled outline excavate the upper area of face, while excavating, and starts dregs conveyer and synchronously slags tap, dregs conveying
Dregs is transported in the equipment of mucking haulage at rear and transported by machine；After after the distance that the upper area of face often excavates a Pin bow members,
Concrete is carried out by wet shot device and sprays protection temporarily, so as to ensure the safety and stability for just excavating region；
3. the excavation of face lower area：After enough spaces are excavated out after face top, lower area is carried out
Excavate, because face lower area single excavation drilling depth is smaller, excavates after certain space, main frame is driven by stride walking assembly
Support is moved forward, while stride walking assembly can be repaired to the profile of tunnel bottom；
4. step 3. in, after stride walking assembly, which changes walking, to be entered to complete stable, the assembled mechanism of steel arch-shelf by rear portion
The installation of steel arch-shelf is carried out, later stage supporting is completed；
5. the construction procedure of repeat step 2., 3., 4., is completed until whole tunnel excavation is tunneled.
Using above-mentioned technical proposal, acquired beneficial effect is：
Overall construction design of the present invention rationally, its use excavator or other have data mining duty equipment carry out excavation work
Industry, and design synchronous deslagging device, makes excavation two processes of slagging tap carry out simultaneously, improves operating efficiency；Being used in the application can
Adjustable type shield structure and advanced wet shot device, it is ensured that the security of each procedures, substantially increase the steady of safety support
It is qualitative.The application is applied to anhydrous or few water, has the soft soil layer of certain self-stability, and especially larger section can be real
Now efficient, safe construction operation.
The present invention realizes whole tunnel contour by stride walking assembly, upper shield assembly and side shield assembly
Overall control, can not only play good safety support performance, can effectively realize that direction is guided in tunneling process,
In traveling process, additionally it is possible to which tunnel contour is repaired, substantially increase tunnel excavation safety coefficient, driving efficiency and
The quality of driving.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Longitudinal cross section structure diagram when Fig. 2 is tunnel excavation.
Fig. 3 changes one of step status architecture schematic diagram for stride walking assembly.
Fig. 4 is change step status architecture schematic diagram the two of stride walking assembly.
Fig. 5 is the mounting structure schematic diagram of dregs conveyer.
Sequence number in figure：1 it is host rack, 2 be upper shield assembly, 3 be side shield assembly, 4 be stride walking assembly, 5 is
Workbench, 6 be dregs conveyer, 7 be the assembled mechanism of steel arch-shelf, 8 be sliding support frame, 9 be support cylinder, 10 be traversing oil
Cylinder, 11 be expansion oil cylinder, 12 be wet shot device, 13 be supporting plate boots, 14 be it is middle support actuating arm, 15 be end support actuating arm,
16 be hoist cylinder, 17 for change step oil cylinder, 18 be suspending rod, 19 be excavator.
Embodiment
The embodiment of the present invention is elaborated below in conjunction with accompanying drawing.
Embodiment one：Referring to Fig. 1-Fig. 5, a kind of shape of a hoof shield excavating device of anhydrous soft soil tunnel, including main frame branch
Frame 1, the upper shield assembly 2 for being arranged on the top of host rack 1, pivot joint be arranged on the both sides of shield assembly 2 side shield assembly 3,
With the stride walking assembly 4 for being arranged on the bottom of host rack 1, upper shield assembly 2 and side shield assembly 3 and tunnel end profile
With support laminating, support adjustment mechanism is provided between upper shield assembly 2 and side shield assembly 3 and host rack 1, it is described
The middle part of host rack 1 is provided with the workbench 5 that work is excavated for excavator 19, is provided with the lower tilt of host rack 1
Dregs conveyer 6, the rear end of host rack 1 is provided with the assembled mechanism 7 of steel arch-shelf of assembled steel arch-shelf, described host rack 1
Front end is provided with the wet shot device 12 of gunite concrete.
Described support adjustment mechanism includes sliding support frame 8, is arranged between sliding support frame 8 and upper shield assembly 2
Support cylinder 9, the traversing oil cylinder 10 that is arranged between sliding support frame 8 and host rack 1 and be arranged on side shield assembly
Expansion oil cylinder 11 between 3 and host rack 1.
Described stride walking assembly 4 includes front and rear three pieces be arranged side by side and the supporting plate boots of tunnel bottom outline
13rd, matching is slidably arranged in middle support actuating arm 14 and end support actuating arm 15 on host rack 1, described middle support driving
Arm 14 and hoist cylinder 16 is provided between the supporting plate boots 13 at middle part, described end support actuating arm 15 is crossed on middle branch
Support on actuating arm 14, and end supports the two ends of actuating arm 15 and lifting oil is also equipped between the two supporting plate boots 13 at two ends
Cylinder 16, is provided between middle support actuating arm and end support actuating arm and host rack and changes step oil cylinder 17.
Dregs conveyer 6 in the present embodiment is scraper conveyor, is set between scraper conveyor and host rack 1
There is tunnel wheel of the arc radius compared with tunneling of suspending rod 18, described upper shield assembly 2 and the expansion composition of side shield assembly 3
The wide small 250mm ~ 350mm of radius.
Embodiment two：Referring to Fig. 1-Fig. 5, a kind of tunnel of the shape of a hoof shield excavating device described in utilization embodiment one is opened
Excavation method, comprises the following steps：
1. adjustment support：According to the end profile of tunneling, by the support cylinder 9 and traversing oil that support adjustment mechanism
The position of the upper shield assembly 2 of the adjustment of cylinder 10 and height, do Preliminary safety ballistic support, by the expansion oil cylinder for supporting adjustment mechanism
11, driving side shield assembly 3 deploys to both sides so that side shield assembly 3 adapts to tunnel cross-section size, and supports two side areas；
2. the excavation of face upper area：First by the excavator 19 on the workbench 5 of host rack, according to tunnel
Road profiled outline excavate the upper area of face, while excavating, and starts dregs conveyer 6 and synchronously slags tap, dregs
Dregs is transported in the equipment of mucking haulage at rear and transported by conveyer 6；Treat face upper area often excavate a Pin bow members away from
From rear, concrete is carried out by wet shot device 12 and sprays protection temporarily, so as to ensure the safety and stability for just excavating region；
3. the excavation of face lower area：After enough spaces are excavated out after face top, lower area is carried out
Excavate, because face lower area single excavation drilling depth is smaller, excavates after certain space, master is driven by stride walking assembly 4
Machine support 1 is moved forward, while stride walking assembly 4 can be repaired to the profile of tunnel bottom；
4. step 3. in, after stride walking assembly 4, which changes walking, to be entered to complete stable, the assembled mechanism of steel arch-shelf by rear portion
7 carry out the installation of steel arch-shelf, complete later stage supporting；
5. the construction procedure of repeat step 2., 3., 4., is completed until whole tunnel excavation is tunneled.
Overall construction design of the present invention rationally, its use excavator or other have data mining duty equipment carry out excavation work
Industry, and design synchronous deslagging device, makes excavation two processes of slagging tap carry out simultaneously, improves operating efficiency；Being used in the application can
Adjustable type shield structure and advanced wet shot device, it is ensured that the security of each procedures, substantially increase the steady of safety support
It is qualitative.The application is applied to anhydrous or few water, has the soft soil layer of certain self-stability, and especially larger section can be real
Now efficient, safe construction operation.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent is defined.
Claims (6)
1. a kind of shape of a hoof shield excavating device of anhydrous soft soil tunnel, it is characterised in that：Including host rack, it is arranged on main frame
The upper shield assembly of cradle top, pivot joint are arranged on the side shield assembly of shield assembly both sides and are arranged on host rack bottom
The stride walking assembly in portion, upper shield assembly and side shield assembly are fitted with the matching support of tunnel end profile, total in upper shield
It is provided with into being provided between side shield assembly and host rack in the middle part of support adjustment mechanism, described host rack for excavating
The workbench of machine excavation work, dregs conveyer is provided with the lower tilt of host rack, and the rear end of host rack is set
There is the assembled mechanism of steel arch-shelf of assembled steel arch-shelf；Described support adjustment mechanism includes sliding support frame, is arranged on sliding support
Support cylinder between frame and upper shield assembly, traversing oil cylinder, the Yi Jishe being arranged between sliding support frame and host rack
Put the expansion oil cylinder between side shield assembly and host rack.
2. the shape of a hoof shield excavating device of anhydrous soft soil tunnel according to claim 1, it is characterised in that：Described master
Machine support front end is provided with the wet shot device of gunite concrete.
3. the shape of a hoof shield excavating device of anhydrous soft soil tunnel according to claim 1, it is characterised in that：Described step
Carry out walking assembly and include the supporting plate boots of front and rear three pieces be arranged side by side and tunnel bottom outline, match and be slidably arranged in master
Middle support actuating arm on machine support and end support actuating arm, described middle support actuating arm and the supporting plate boots positioned at middle part it
Between be provided with hoist cylinder, described end support actuating arm is crossed on middle support actuating arm, and the two ends of end support actuating arm
With being also equipped with hoist cylinder, middle support actuating arm and end support actuating arm and main frame branch between the two supporting plate boots at two ends
It is provided between frame and changes step oil cylinder.
4. the shape of a hoof shield excavating device of anhydrous soft soil tunnel according to claim 1, it is characterised in that：Described slag
Native conveyer is scraper conveyor, and suspending rod is provided between scraper conveyor and host rack.
5. the shape of a hoof shield excavating device of anhydrous soft soil tunnel according to claim 1, it is characterised in that：Described is upper
Shield assembly and side shield assembly expansion composition arc radius compared with the tunnel contour of tunneling the small 250mm of radius ~
350mm。
6. a kind of tunnel excavation method of the shape of a hoof shield excavating device of the anhydrous soft soil tunnel described in utilization claim 2,
It is characterized in that：Comprise the following steps：
1. adjustment support：According to the end profile of tunneling, by supporting the support cylinder and traversing oil cylinder of adjustment mechanism to adjust
The position of whole upper shield assembly and height, do Preliminary safety ballistic support, by supporting the expansion oil cylinder of adjustment mechanism, driving side
Shield assembly deploys to both sides so that side shield assembly adapts to tunnel cross-section size, and supports two side areas；
2. the excavation of face upper area：First by the excavator on the workbench of host rack, according to tunnel cross-section
Profile excavate the upper area of face, while excavating, and starts dregs conveyer and synchronously slags tap, and dregs conveyer will
Dregs is transported in the equipment of mucking haulage at rear and transported；After after the distance that the upper area of face often excavates a Pin bow members, by wet
Spray apparatus carries out concrete and sprays protection temporarily, so as to ensure the safety and stability for just excavating region；
3. the excavation of face lower area：After enough spaces are excavated out after face top, the excavation of lower area is carried out,
Because face lower area single excavation drilling depth is smaller, excavates after certain space, host rack is driven by stride walking assembly
Move forward, while stride walking assembly can be repaired to the profile of tunnel bottom；
4. step 3. in, after stride walking assembly, which changes walking, to be entered to complete stable, the assembled mechanism of steel arch-shelf by rear portion is carried out
The installation of steel arch-shelf, completes later stage supporting；
5. the construction procedure of repeat step 2., 3., 4., is completed until whole tunnel excavation is tunneled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022081.0A CN106437734B (en) | 2016-11-21 | 2016-11-21 | The shape of a hoof shield excavating device and tunnel excavation method of anhydrous soft soil tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022081.0A CN106437734B (en) | 2016-11-21 | 2016-11-21 | The shape of a hoof shield excavating device and tunnel excavation method of anhydrous soft soil tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106437734A CN106437734A (en) | 2017-02-22 |
| CN106437734B true CN106437734B (en) | 2017-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107120138B (en) * | 2017-06-29 | 2019-04-05 | 西南交通大学 | A kind of tunnel rock burst protection vehicle for High Ground Stress Areas |
| CN107268681A (en) * | 2017-08-09 | 2017-10-20 | 中国铁建重工集团有限公司 | Piping lane apparatus for work |
| CN109869155B (en) * | 2019-04-02 | 2024-08-09 | 中铁工程服务有限公司 | Tunnel collapse treatment equipment |
| CN113266381A (en) * | 2021-06-10 | 2021-08-17 | 中铁工程装备集团有限公司 | TBM (tunnel boring machine) and tunneling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6554368B2 (en) * | 2000-03-13 | 2003-04-29 | Oil Sands Underground Mining, Inc. | Method and system for mining hydrocarbon-containing materials |
| JP4296549B2 (en) * | 2004-09-07 | 2009-07-15 | 清水建設株式会社 | Underground support structure, its construction method and tunnel construction method |
| CN201526325U (en) * | 2009-10-21 | 2010-07-14 | 北京中铁天瑞机械设备有限公司 | Mold plate trolley for tunnel lining |
| CN103643959B (en) * | 2013-12-23 | 2015-08-05 | 中铁工程装备集团有限公司 | A kind of novel tunnel heading equipment |
| CN206190289U (en) * | 2016-11-21 | 2017-05-24 | 中铁工程装备集团有限公司 | Shape of a hoof shield excavation device in anhydrous weak soil tunnel |
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