CN108374683A - A kind of suspension device for main tunnel - Google Patents
A kind of suspension device for main tunnel Download PDFInfo
- Publication number
- CN108374683A CN108374683A CN201810522851.0A CN201810522851A CN108374683A CN 108374683 A CN108374683 A CN 108374683A CN 201810522851 A CN201810522851 A CN 201810522851A CN 108374683 A CN108374683 A CN 108374683A
- Authority
- CN
- China
- Prior art keywords
- shield machine
- inner sleeve
- bottom platform
- column
- main 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
Abstract
The present invention relates to technical field of tunnel construction, particularly relate to a kind of suspension device for main tunnel.The present invention includes bottom platform, central symmetry is fixedly installed several row's stands in bottom platform, each stand includes at least one column, the upper end of column is fixedly connected with upper curved support frame, the lower end of column passes through bottom platform and is fixedly connected with arc lower supporting rack, and column is telescopic mounting I.The present invention is supported tunnel by curved support frame using telescopic column so that can be realized in construction needs supporting position to be quickly supported in main tunnel, and has used and can recycle, and reduces engineering cost；The shield machine channel installed in bottom platform can not only play a supporting role to shield machine, and the present invention has easy to operate, the convenient, fast advantage of supporting.
Description
Technical field
The present invention relates to technical field of tunnel construction, particularly relate to a kind of suspension device for main tunnel.
Background technology
Tunnel connection channel refers to the through tunnel being arranged between two parallel tunnels, is dredged in emergency circumstances personnel
It dissipates, escape, fire-fighting, according to《Metro design code》, compulsive clause regulation " in Construction of Urban Rail Traffic, Liang Tiao single lines area
Between link up length between tunnel when being more than 600m, service channel should be set ", service channel is not only through tunnel, even more promptly
In the case of help tunnel.
The method of current Freezing Method for Cross-passage Construction is excavated using traditional freezing, the excavation in main tunnel and communication passage
After being excavated at face, since the Structural Test of Tunnel Segments on main tunnel is destroyed, the inside support force in the main tunnel at excavation can be caused
Safe construction requirement is not achieved, thus applies man-hour requirement to causing the main tunnel at excavation to carry out increase support.
The temporary support of current main tunnel internal is to use fore shaft holder mostly, mainly forms monocycle lock by steelframe and arch ring
Mouth holder, then connects into general frame by more longerons by monocycle fore shaft holder.The structure can play the main tunnel of supporting
The effect of section of jurisdiction, but the structure is needed to reach in tunnel internal assembly welding and be carried out quickly to the main tunnel at excavation
The requirement of support, and cannot recycle, increase engineering cost.
Invention content
In the presence of solving the problems, such as background technology, the present invention proposes a kind of suspension device for main tunnel.
The technical scheme is that：A kind of suspension device for main tunnel, including bottom platform, in bottom platform in
The heart is symmetrically fixedly installed several row's stands, and each stand includes at least one column, the upper end of column and upper curved support frame
It is fixedly connected, the lower end of column passes through bottom platform and is fixedly connected with arc lower supporting rack, and column is telescopic mounting I.
Preferably, the telescopic mounting I includes outer sleeve I and inner sleeve I, and inner sleeve I is scalable with respect to outer sleeve I,
Inner sleeve I include on inner sleeve section and inner sleeve under save, on inner sleeve section and inner sleeve under save between be equipped with retractable driving device
I, the retractable driving device I are hydraulic cylinder or pneumatic cylinder, are offered in bottom platform for being passed down through of being saved under inner sleeve
Through-hole, the lower parts outer sleeve I are fixed on by flange in bottom platform.
Preferably, it is fixedly connected using crossbeam between adjacent upright posts, is fixed with and crosses out in the middle part of outermost column
Curb girder, curb girder is telescopic mounting II, and outermost column is supported with front arc supporting rack and rear arc respectively by curb girder
Frame is fixedly linked, and upper curved support frame, arc lower supporting rack, front arc supporting rack and rear arc supporting rack are in same plane
It is interior.
Preferably, the telescopic mounting II includes outer sleeve II and inner sleeve I I, and outer sleeve II is fixed with outer sleeve I to be connected
It connects, retractable driving device II is installed in outer sleeve II, retractable driving device II is pneumatic cylinder or hydraulic cylinder, the one end inner sleeve I I
It is connect with retractable driving device II, the inner sleeve I I other ends are fixedly connected with rear support frame.
Preferably, bottom platform be equipped with shield machine channel, the bottom end seal in shield machine channel, shield machine channel be in pair
Among the stand for claiming setting.
Preferably, bottom platform upper edge central symmetry is equipped with notch, and the notch is on the inside of stand, shield machine channel packet
It includes shield machine support, shield machine bracket base and shield machine support section of jurisdiction, shield machine bracket base to be mounted in notch, shield machine
Section of jurisdiction is supported to be mounted on shield machine bracket base, shield machine bracket base and notch are formed by space and are fixed with shield
Machine support driving device, shield machine carriage drive device are hydraulic cylinder or pneumatic cylinder, the piston court of shield machine carriage drive device
To the top of shield machine support.
Preferably, bottom platform lower part is equipped with wheel pair.
The present invention is supported using adjustable upper curved support frame, arc lower supporting rack, front arc supporting rack and rear arc
Frame structure may be implemented to main tunnel quickly support, recycle；Installation wheel pair, makes apparatus of the present invention can under bottom platform
To be easily moved to next operating point；Shield machine channel is installed in bottom platform so that be placed in service channel
Both ends support device work when, the shield machine channel at both ends plays a supporting role to shield machine, the present invention have it is easy to operate,
The convenient, fast advantage of supporting.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the agent structure schematic diagram of the present invention；
Fig. 2 is the pillar construction figure of the present invention；
Fig. 3 is that rear shield machine excavates service channel schematic diagram to trolley of the invention in place；
Fig. 4 is the side beam structure schematic diagram of the present invention；
Fig. 5 is the shield machine support construction schematic diagram of the present invention；
Fig. 6 is that the trolley of the present invention originates preceding state.
In figure, 1 bottom platform, 2 wheels pair, 3 columns, 4 crossbeams, 5 main tunnels, 6 outer sleeve I, 7 inner sleeve Is, on 71 inner sleeves
Section saves under 72 inner sleeves, 8 curb girders, 9 outer sleeve II, 10 inner sleeve I I, curved support frame on 11,12 arc lower supporting racks, before 13
Curved support frame, 14 rear arc supporting racks, 15 shield machine channels, 151 shield machine supports, 152 shield machine bracket bases, 153 shields
Structure machine supports section of jurisdiction, 16 retractable driving device I, 17 shield machines, 18 retractable driving device II, and 19, hydraulic cylinder, 20 service channels.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：As shown in Fig. 1,3 and 5, Fig. 3 be Fig. 1 A-A sectional views, a kind of suspension device for main tunnel,
Including bottom platform 1, central symmetry is fixedly installed several row's stands in bottom platform 1, and each stand includes at least one vertical
Column 3, the upper end of column 3 are fixedly connected with upper curved support frame 11, the lower end of column 3 pass through bottom platform 1 and with arc lower branch
Support 12 is fixedly connected, and column 3 is telescopic mounting I.
Workflow：Before excavating service channel 20, upper curved support frame 11, the arc lower supporting rack 12 of support device are located
In retracted mode, after suspension device being transported in the main tunnel 5 of the two-port of service channel 20, operating personnel are controlled by adjusting
Make indoor control panel and column 3 be subjected to flexible adjustment, make curved support frame 11 resist upwards main tunnel 5 inner wall, under
Curved support frame 12 realizes the complete adjustment of supporting rack downwardly against the inner wall in main tunnel 5, then carries out the digging of service channel 20
Dig work.
When service channel 20, which tunnels, to be completed, column 3 is controlled by adjusting control device and is bounced back, upper curved support frame
11 and arc lower supporting rack 12 withdraw, to ensure that there are gaps between each supporting rack and the inner wall in main tunnel 5, reach transport
Condition.
After the above process is completed, apparatus of the present invention are transported to the operating point in next main tunnel 5, repeat above-mentioned work
Sequence, until complete all service channels 20 excavation project after, by support device pull out main tunnel 5 and maintained,
Storage.
Embodiment 2：As shown in Fig. 2, a kind of suspension device for main tunnel, including bottom platform 1, in bottom platform 1
Central symmetry is fixedly installed several row's stands, and each stand includes at least one column 3, and column 3 includes outer sleeve I6 and interior
Sleeve I7, inner sleeve I 7 are scalable with respect to outer sleeve I6, and inner sleeve I 7 includes saving 72 under section 71 and inner sleeve on inner sleeve, inner sleeve
It is hydraulic cylinder or gas to be saved on cylinder and be equipped with retractable driving device I16, the retractable driving device I16 under 71 and inner sleeve between section 72
Cylinder pressure offers in bottom platform 1 for the through-holes that section 72 is passed down through under inner sleeve, and the lower parts outer sleeve I6 are fixed on by flange
In bottom platform 1, other structures and workflow are same as Example 1.
Embodiment 3：As shown in Fig. 4,6, a kind of suspension device for main tunnel, including bottom platform 1, bottom platform 1
Upper central symmetry is fixedly installed several row's stands, and each stand includes at least one column 3, column 3 include outer sleeve I6 and
Inner sleeve I 7, inner sleeve I 7 are scalable with respect to outer sleeve I6, and inner sleeve I 7 includes saving 72 on inner sleeve under section 71 and inner sleeve, interior
Be equipped with retractable driving device I16 on sleeve under section 71 and inner sleeve between section 72, the retractable driving device I16 be hydraulic cylinder or
Pneumatic cylinder, the through-hole being passed down through for section 72 under inner sleeve is offered in bottom platform 1, and the lower parts outer sleeve I6 are solid by flange
It is scheduled in bottom platform 1, is fixedly connected using crossbeam 4 between adjacent upright posts 3,3 middle part of outermost column is fixed with transverse direction
The curb girder 8 of stretching, curb girder 8 be telescopic mounting II, outermost column 3 by curb girder 8 respectively with front arc supporting rack 13 and
Rear arc supporting rack 14 is fixedly linked, upper curved support frame 11, arc lower supporting rack 12, front arc supporting rack 13 and rear arc branch
Support 14 is in same plane, and other structures are same as Example 1.
Workflow：It is the upper curved support frame 11 of support device, arc lower supporting rack 12, preceding before excavating service channel 20
Curved support frame 13 and rear arc supporting rack 14 are in retracted mode, and support device is transported to the two-port of service channel 20
Main tunnel in after, column 3 is carried out flexible adjustment by operating personnel by the indoor control panel of adjusting control, is ensured and column
The upper curved support frame 11 and arc lower supporting rack 12 of 3 connections resist the inner wall in main tunnel 5 first, then by adjusting curb girder 8
Stroke makes front arc supporting rack 13 and rear arc supporting rack 14 resist the inner wall in main tunnel 5, realizes the support to main tunnel 5.
When service channel 20, which tunnels, to be completed, curb girder 8 is controlled by adjusting control device and is bounced back, withdraws front arc first
Supporting rack 13 and rear arc supporting rack 14, then control column 3 is controlled by adjusting control device and is bounced back, by upper 11 He of curved support frame
Arc lower supporting rack 12 withdraws and locks, and reaches the condition of transport.
Embodiment 4：A kind of suspension device for main tunnel, including bottom platform 1, central symmetry is solid in bottom platform 1
Surely several row's stands are provided with, each stand includes at least one column 3, and column 3 includes outer sleeve I6 and inner sleeve I 7, inner sleeve
Cylinder I7 is scalable with respect to outer sleeve I6, and inner sleeve I 7 includes saving 72 under section 71 and inner sleeve on inner sleeve, and 71 Hes are saved on inner sleeve
It is hydraulic cylinder or pneumatic cylinder, bottom to be equipped with retractable driving device I16, the retractable driving device I16 under inner sleeve between section 72
The through-hole being passed down through for section 72 under inner sleeve is offered on platform 1, the lower parts outer sleeve I6 are fixed on bottom by flange and put down
It on platform 1, is fixedly connected using crossbeam 4 between adjacent upright posts 3,3 middle part of outermost column is fixed with the curb girder crossed out
8, curb girder 8 includes outer sleeve II9 and inner sleeve I I10, and outer sleeve II9 is fixedly connected with outer sleeve I6, installation in outer sleeve II9
There is a retractable driving device II18, retractable driving device II18 is pneumatic cylinder or hydraulic cylinder, the one end inner sleeve I I10 and telescopic drive
Device II18 connections, the inner sleeve I I10 other ends are fixedly connected with rear support frame 14, other structures, workflow and embodiment 3
It is identical.
Embodiment 5：As shown in figure 5, a kind of suspension device for main tunnel, including bottom platform 1, under bottom platform 1
Portion is equipped with wheel to 2, and bottom platform 1 is equipped with shield machine channel 15, and 1 upper edge central symmetry of bottom platform is equipped with notch, the slot
For mouth on the inside of stand, shield machine channel 15 includes shield machine support 151, shield machine bracket base 152 and shield machine support tube
Piece 153, shield machine bracket base 152 are mounted in notch, and shield machine supports section of jurisdiction 153 to be mounted on shield machine bracket base 152
On, shield machine bracket base 152 and notch are formed by space and are fixed with shield machine carriage drive device 19, shield machine branch
Frame driving device 19 is hydraulic cylinder or pneumatic cylinder, and the piston of shield machine carriage drive device 19 is towards the top of shield machine support 151
Portion, other structures embodiment 1 are identical.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of suspension device for main tunnel, including bottom platform（1）, it is characterized in that：Bottom platform（1）Upper central symmetry
Several row's stands are fixedly installed, each stand includes at least one column（3）, column（3）Upper end and upper curved support frame
（11）It is fixedly connected, column（3）Lower end pass through bottom platform（1）And with arc lower supporting rack（12）It is fixedly connected, column（3）
For telescopic mounting I.
2. a kind of suspension device for main tunnel as described in claim 1, it is characterized in that：The telescopic mounting I includes
Outer sleeve I（6）And inner sleeve I（7）, inner sleeve I（7）Opposite outer sleeve I（6）It is scalable, inner sleeve I（7）Including on inner sleeve
Section（71）With saved under inner sleeve（72）, save on inner sleeve（71）With saved under inner sleeve（72）Between be equipped with retractable driving device I
（16）, the retractable driving device I（16）For hydraulic cylinder or pneumatic cylinder, bottom platform（1）On offer for being saved under inner sleeve
（72）The through-hole being passed down through, outer sleeve I（6）Lower part is fixed on bottom platform by flange（1）On.
3. a kind of suspension device for main tunnel as claimed in claim 1 or 2, it is characterized in that：Adjacent upright posts（3）Between adopt
Use crossbeam（4）It is fixedly connected, outermost column（3）Middle part is fixed with the curb girder crossed out（8）, curb girder（8）For that can stretch
Compression apparatus II, outermost column（3）Pass through curb girder（8）Respectively with front arc supporting rack（13）With rear arc supporting rack（14）Gu
It is fixed to be connected, upper curved support frame（11）, arc lower supporting rack（12）, front arc supporting rack（13）With rear arc supporting rack（14）
In same plane.
4. a kind of suspension device for main tunnel as claimed in claim 3, it is characterized in that：The telescopic mounting II includes
Outer sleeve II（9）With inner sleeve I I（10）, outer sleeve II（9）With outer sleeve I（6）It is fixedly connected, outer sleeve II（9）Inside it is equipped with
Retractable driving device II（18）, retractable driving device II（18）For pneumatic cylinder or hydraulic cylinder, inner sleeve I I（10）One end with it is flexible
Driving device II（18）Connection, inner sleeve I I（10）The other end and rear support frame（14）It is fixedly connected.
5. a kind of suspension device for main tunnel as described in claim 1, it is characterized in that：Bottom platform（1）It is equipped with shield
Structure machine channel（15）, shield machine channel（15）Bottom end seal, shield machine channel（15）Among symmetrically arranged stand.
6. a kind of suspension device for main tunnel as claimed in claim 5, it is characterized in that：Bottom platform（1）Upper edge center
It is arranged with notch, the notch is on the inside of stand, shield machine channel（15）Including shield machine support（151）, shield machine branch
Frame pedestal（152）Section of jurisdiction is supported with shield machine（153）, shield machine bracket base（152）In notch, shield machine support tube
Piece（153）Mounted on shield machine bracket base（152）On, shield machine bracket base（152）It is formed by space with notch solid
Surely it is equipped with shield machine carriage drive device（19）, shield machine carriage drive device（19）For hydraulic cylinder or pneumatic cylinder, shield machine branch
Frame driving device（19）Piston towards shield machine support（151）Top.
7. a kind of suspension device for main tunnel as described in claim 1, it is characterized in that：Bottom platform（1）Lower part is equipped with
Wheel pair（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522851.0A CN108374683A (en) | 2018-05-28 | 2018-05-28 | A kind of suspension device for main tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522851.0A CN108374683A (en) | 2018-05-28 | 2018-05-28 | A kind of suspension device for main tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108374683A true CN108374683A (en) | 2018-08-07 |
Family
ID=63033678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522851.0A Pending CN108374683A (en) | 2018-05-28 | 2018-05-28 | A kind of suspension device for main tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108374683A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030011A (en) * | 2019-05-28 | 2019-07-19 | 中国铁建重工集团股份有限公司 | A kind of construction equipment and construction method for tunnel connection channel |
| CN112049653A (en) * | 2020-10-27 | 2020-12-08 | 中铁工程装备集团有限公司 | Shield tunneling machine starting device and shield tunneling machine starting method |
| CN112696213A (en) * | 2021-01-19 | 2021-04-23 | 中铁九局集团有限公司 | Tunnel supporting structure and construction method thereof |
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| CN208236450U (en) * | 2018-05-28 | 2018-12-14 | 中铁工程装备集团有限公司 | A kind of suspension device for main tunnel |
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| CN104695965A (en) * | 2014-12-30 | 2015-06-10 | 中铁隧道集团有限公司 | Multifunctional originating station and originating method for departure and reception of shield |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110030011A (en) * | 2019-05-28 | 2019-07-19 | 中国铁建重工集团股份有限公司 | A kind of construction equipment and construction method for tunnel connection channel |
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| CN112696213A (en) * | 2021-01-19 | 2021-04-23 | 中铁九局集团有限公司 | Tunnel supporting structure and construction method thereof |
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Effective date of registration: 20221206 Address after: 450016 No. 99 Sixth Avenue, Zhengzhou economic and Technological Development Zone, Henan Applicant after: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP Co.,Ltd. Applicant after: Ningbo Rail Transit Group Co.,Ltd. Address before: 450016 No. 99 Sixth Avenue, Zhengzhou economic and Technological Development Zone, Henan Applicant before: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP Co.,Ltd. |
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