CN206190289U - Shape of a hoof shield excavation device in anhydrous weak soil tunnel - Google Patents
Shape of a hoof shield excavation device in anhydrous weak soil tunnel Download PDFInfo
- Publication number
- CN206190289U CN206190289U CN201621243521.0U CN201621243521U CN206190289U CN 206190289 U CN206190289 U CN 206190289U CN 201621243521 U CN201621243521 U CN 201621243521U CN 206190289 U CN206190289 U CN 206190289U
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- China
- Prior art keywords
- support
- shield assembly
- assembly
- host rack
- actuating arm
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- Withdrawn - After Issue
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Abstract
The utility model belongs to the technical field of the tunnel tunnelling. A shape of a hoof shield excavation device in anhydrous weak soil tunnel, includes the host computer support, goes up shield assembly, side shield assembly and stride walking assembly, goes up shield assembly and side shield assembly and matches the support laminating with tunnel end profile of surface, and be provided with between last shield assembly and side shield assembly and host computer support and support guiding mechanism, host computer support middle part be provided with the work platform who supplies the work of excavator excavation, be provided with the dregs conveyer in the lower part of host computer support, the rear end of host computer support is provided with the steel bow member and assembles the mechanism. The utility model discloses an excavator or other have the equipment that excavates the function and excavate the operation to design synchronous slag discharging device, the messenger excavates two processes of slagging tap and goes on simultaneously, improves the operating efficiency, adopt adjustable shield structure and leading wet blasting device in this application, guarantee the security of each process operation, improved safety support's stability greatly.
Description
Technical field
The utility model belongs to tunnel piercing technical field, and in particular to a kind of shape of a hoof shield of anhydrous soft soil tunnel is opened
Dig device.
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, the New Austrian Tunneling Method efficiency of construction using manual work is relatively low, and 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, its fusion shield shield
Shield and principle of slagging tap, and follow the core content of New Austrian Tunneling Method construction.
Utility model content
The purpose of this utility model is directed to above-mentioned problem and shortage, there is provided a kind of reasonable in design, compact,
Efficiency of construction is high, security performance stabilization, and facilitates the shape of a hoof shield excavating device of adjustable anhydrous soft soil tunnel.
Adopted the technical scheme that to reach above-mentioned purpose：
A kind of shape of a hoof shield excavating device of anhydrous soft soil tunnel, including host rack, be arranged on host rack top
Upper shield assembly, pivot joint be arranged on the side shield assembly of shield assembly both sides and be arranged on the stride of 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
Support adjustment mechanism is provided between shield assembly and host rack, described host rack middle part is provided with 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 steel arch-shelf assembly mechanism 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 before and after be arranged side by side three pieces with the supporting plate boots of tunnel bottom outline,
Matching is slidably arranged in middle support actuating arm on host rack and end support actuating arm, described middle support actuating arm be 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 are propped up
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.
Described upper shield assembly and side shield assembly launches the arc radius of composition compared with the tunnel contour of tunneling
Small 250mm ~ the 350mm of radius.
Using above-mentioned technical proposal, acquired beneficial effect is：
Rationally, it uses excavator or other equipment with data mining duty to be opened to the utility model overall construction design
Operation is dug, and designs synchronous deslagging device, excavation is slagged tap two operations while carrying out, raising operating efficiency；Adopted in the application
With adjustable shield structure and advanced wet shot device, it is ensured that the security of each procedures, safety support is substantially increased
Stability.The application is applied to anhydrous or few water, has the soft soil layer of certain self-stability, especially larger section,
It is capable of achieving efficient, safe construction operation.
The utility model realizes whole tunnel cross-section wheel by stride walking assembly, upper shield assembly and side shield assembly
Wide overall control, can not only play good safety support performance, can effectively realize that direction refers in tunneling process
Draw, during traveling, additionally it is possible to which tunnel contour is repaired, substantially increase tunnel excavation safety coefficient, driving
The quality of efficiency and driving.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
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 steel arch-shelf assembly mechanism, 8 be sliding support frame, 9 be support cylinder, 10 be traversing oil
Cylinder, 11 for launch oil cylinder, 12 be wet shot device, 13 be supporting plate boots, 14 for it is middle support actuating arm, 15 for end support actuating arm,
16 be hoist cylinder, 17 for change step oil cylinder, 18 be suspending rod, 19 be excavator.
Specific embodiment
Specific embodiment of the present utility model 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
Fitted with support, 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 steel arch-shelf assembly mechanism 7 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 the supporting plate boots of front and rear three pieces for being arranged side by side and tunnel bottom outline
13rd, matching is slidably arranged in middle support actuating arm 14 and end support actuating arm 15 on host rack 1, and described middle support drives
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
On support 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 a suspending rod 18, described upper shield assembly 2 and side shield assembly 3 launch the tunnel wheel of the arc radius compared with tunneling of composition
The wide small 250mm ~ 350mm of radius.
Fig. 1-Fig. 5 is seen, using the tunnel excavation method of the shape of a hoof shield excavating device of the present embodiment, including following step
Suddenly：
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 launches 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, starts dregs conveyer 6 and synchronously slags tap, dregs
Be transported to dregs in the equipment of mucking haulage at rear and transport by conveyer 6；Treat face upper area often excavate a Pin bow members away from
From rear, concrete 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 on face top, lower area is carried out
Excavate, because face lower area single excavation drilling depth is smaller, after excavating 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, when stride walking assembly 4 change walking enter complete stabilization after, by rear portion steel arch-shelf assembly mechanism
7 installations for carrying out steel arch-shelf, complete later stage supporting；
5. repeat step construction procedure 2., 3., 4., until whole tunnel excavation driving is completed.
Rationally, it uses excavator or other equipment with data mining duty to be opened to the utility model overall construction design
Operation is dug, and designs synchronous deslagging device, excavation is slagged tap two operations while carrying out, raising operating efficiency；Adopted in the application
With adjustable shield structure and advanced wet shot device, it is ensured that the security of each procedures, safety support is substantially increased
Stability.The application is applied to anhydrous or few water, has the soft soil layer of certain self-stability, especially larger section,
It is capable of achieving efficient, safe construction operation.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the utility model spirit and scope are not departed from
Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model requirement
Protection domain defined by appending claims and its equivalent.
Claims (6)
1. the shape of a hoof shield excavating device of a kind 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
Into support adjustment mechanism is provided with and side shield assembly and host rack between, described host rack middle part is provided with 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 steel arch-shelf assembly mechanism of assembled steel arch-shelf.
2. the shape of a hoof shield excavating device of anhydrous soft soil tunnel according to claim 1, it is characterised in that：Described branch
Support governor motion includes sliding support frame, the support cylinder being arranged between sliding support frame and upper shield assembly, is arranged on cunning
The traversing oil cylinder moved between support frame and host rack and the expansion oil being arranged between side shield assembly and host rack
Cylinder.
3. 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.
4. the shape of a hoof shield excavating device of anhydrous soft soil tunnel according to claim 1, it is characterised in that：Described step
Before and after carrying out walking assembly and including be arranged side by side three pieces with the supporting plate boots of 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 be located at middle part supporting plate boots it
Between be provided with hoist cylinder, described end support actuating arm is crossed on middle support actuating arm, and end support actuating arm two ends
Be also equipped with hoist cylinder between the two supporting plate boots at two ends, middle support actuating arm and end support actuating arm and main frame branch
It is provided between frame and changes step oil cylinder.
5. 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.
6. 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
The arc radius 250mm small compared with the radius of the tunnel contour of tunneling of shield assembly and side shield assembly expansion composition ~
350mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243521.0U CN206190289U (en) | 2016-11-21 | 2016-11-21 | Shape of a hoof shield excavation device in anhydrous weak soil tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243521.0U CN206190289U (en) | 2016-11-21 | 2016-11-21 | Shape of a hoof shield excavation device in anhydrous weak soil tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190289U true CN206190289U (en) | 2017-05-24 |
Family
ID=58726952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621243521.0U Withdrawn - After Issue CN206190289U (en) | 2016-11-21 | 2016-11-21 | Shape of a hoof shield excavation device in anhydrous weak soil tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190289U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437734A (en) * | 2016-11-21 | 2017-02-22 | 中铁工程装备集团有限公司 | Horseshoe-shaped shield excavation device for waterless soft soil tunnel and tunnel excavation method |
| CN108571325A (en) * | 2018-05-16 | 2018-09-25 | 中铁工程装备集团有限公司 | A kind of shape of a hoof tunneling boring rock tunnel development machine and its construction method |
| CN108756906A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its inclined wedge support shoe apparatus |
| CN110043277B (en) * | 2019-03-20 | 2021-04-16 | 中铁隧道集团二处有限公司 | Tunnel self-propelled mechanical resident platform and construction method thereof |
| CN113775353A (en) * | 2021-09-24 | 2021-12-10 | 辽宁三三工业有限公司 | TMB tunnel belt conveyor supporting device and using method |
| CN108571325B (en) * | 2018-05-16 | 2023-11-21 | 中铁工程装备集团有限公司 | Horseshoe full-section rock tunnel boring machine and construction method thereof |
-
2016
- 2016-11-21 CN CN201621243521.0U patent/CN206190289U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437734A (en) * | 2016-11-21 | 2017-02-22 | 中铁工程装备集团有限公司 | Horseshoe-shaped shield excavation device for waterless soft soil tunnel and tunnel excavation method |
| CN108571325A (en) * | 2018-05-16 | 2018-09-25 | 中铁工程装备集团有限公司 | A kind of shape of a hoof tunneling boring rock tunnel development machine and its construction method |
| CN108571325B (en) * | 2018-05-16 | 2023-11-21 | 中铁工程装备集团有限公司 | Horseshoe full-section rock tunnel boring machine and construction method thereof |
| CN108756906A (en) * | 2018-07-19 | 2018-11-06 | 中国铁建重工集团有限公司 | Shield machine and its inclined wedge support shoe apparatus |
| CN110043277B (en) * | 2019-03-20 | 2021-04-16 | 中铁隧道集团二处有限公司 | Tunnel self-propelled mechanical resident platform and construction method thereof |
| CN113775353A (en) * | 2021-09-24 | 2021-12-10 | 辽宁三三工业有限公司 | TMB tunnel belt conveyor supporting device and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20171027 |