CN103437788A - Method for spanning small-diameter open TBM (Tunnel Boring Machine) trackless backup trolley on lagging jacks - Google Patents
Method for spanning small-diameter open TBM (Tunnel Boring Machine) trackless backup trolley on lagging jacks Download PDFInfo
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- CN103437788A CN103437788A CN2013103294464A CN201310329446A CN103437788A CN 103437788 A CN103437788 A CN 103437788A CN 2013103294464 A CN2013103294464 A CN 2013103294464A CN 201310329446 A CN201310329446 A CN 201310329446A CN 103437788 A CN103437788 A CN 103437788A
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Abstract
The invention discloses a method for spanning a small-diameter open TBM (Tunnel Boring Machine) trackless backup trolley on lagging jacks. The method comprises the following steps: welding a sled type sliding steel tube on both sides of the bottom structure of the backup trolley respectively, and making the sled type sliding steel tubes slide along a tunnel wall in a tunnel section which does not need to erect any lagging rack; in case of poor geological tunnel sections, erecting lagging racks and arranging two slide rails for the sled type sliding steel tubes to slide on the two bottom side parts of a forward route which corresponds to the sled type sliding steel tube among all erected lagging racks on the front part of the backup trolley, wherein the steel rails include multiple sections of middle connecting section steel which are arranged among steel lagging racks in a tunnel and are positioned on the sliding route of the sliding steel tubes, and the upper sides of the multiple sections of middle connecting section steel and the inner sides of the steel lagging racks are on the same height; welding starting slope climbing section steel on a first ring lagging rack and welding slope descending section steel on an ending ring lagging rack. According to the method, the trackless backup trolley can smoothly span poor geological tunnel sections under the support of steel lagging racks when the steel lagging racks need to be erected in the poor geological tunnel sections.
Description
Technical field
The present invention relates to a kind of full section rock tunnel development machine (TBM) technique of design and construction, the method that after the anterior trackless of especially a kind of minor diameter Open TBM, supporting chassis is crossed over the Support Steel bow member.
Background technology
The minor diameter Open TBM is because the tunnel diameter is little, the apparatus arrangement limited space, and the wider equipment of size need to be arranged in after anterior trackless on supporting chassis, i.e. lay a railway track in the middle of being divided into district, anterior trackless chassis, rear portion track mounted jumbo of supporting chassis after TBM.In centre, lay a railway track after district completes track, the roller of the rear supporting chassis at rear portion just can be walked on the track of completing.Like this, after anterior trackless, which kind of mode supporting chassis adopts move ahead with the TBM main frame, and can cross over the unfavorable geology hole section that needs the supporting of steel arch frame and be not subject to stopping of bow member, just becomes the technical barrier that needs solve.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method that supporting chassis is crossed over bow member after minor diameter Open TBM trackless, and it can solve supporting chassis after anterior trackless with the walking forward of TBM driving, and the problem of crossing over smoothly the supporting bow member of unfavorable geology hole section.
For solving the problems of the technologies described above, the technical solution used in the present invention is: after a kind of minor diameter Open TBM trackless, supporting chassis is crossed over the method for bow member, its key technology is: at first in rear supporting pallet bottom structure both sides, be welded with respectively a sled type and slide steel pipe, in the hole section without a vertical bow member, the sled type slides steel pipe and slides along the hole wall;
When running into unfavorable geology hole section, vertical bow member, and between anterior all the bow members that stand of rear supporting chassis, corresponding sled type slides steel pipe route two bottom side that move ahead and arranges two and can supply this sled type slide the slide rail that steel pipe slides;
Described slide rail comprises between the steel arch frame of being located in tunnel and the middle shaped steel that connects of the multistage on the taxi circuit in sliding steel pipe, in the middle of multistage, the upside of connection shaped steel and steel arch frame inboard are in sustained height, encircle bow member at head and weld initial upslope shaped steel, at closure ring bow member welding downslope shaped steel;
While by Zhi Li, the hole section of bow member being arranged, the sled type on rear supporting chassis slides steel pipe and slides into initial upslope shaped steel, and is transitioned into gradually on level connection joint shaped steel, finally from the downslope shaped steel of ending segment, slides and gets final product.
The wheeled construction that described rear supporting trolley running method is not rail, but glding type structure, and the sled type to slide the steel pipe two ends be inclined-plane.
Tunnel support connects shaped steel, closure ring bow member downslope connection shaped steel in the middle of respectively encircling between bow member and being welded with initial ring bow member upslope connection shaped steel, bow member, slides steel pipe for the sled type and slides.
Adopt the beneficial effect that technique scheme produces to be: the present invention forwardly after trackless supporting chassis both sides bottom design be welded with the sled type and slide steel pipe, without the hole section of a vertical bow member, rear supporting chassis sled type slides steel pipe and slides along the hole wall; When running into unfavorable geology hole section and need to prop up vertical steel arch frame, between anterior all the steel arch framves that stood of rear supporting chassis, corresponding sled type slides steel pipe route two bottom side that move ahead, be welded to connect shaped steel, and be welded with slope at starting and ending ring bow member and connect shaped steel, can guarantee trackless after supporting chassis cross over smoothly the unfavorable geology hole section that the supporting of steel arch frame is arranged.
The accompanying drawing explanation
Fig. 1 is the structural representation that sled type of the present invention slides steel pipe;
Fig. 2 is bow member of the present invention is connected shaped steel, downslope connection shaped steel connection diagram with level connection joint shaped steel, upslope;
Fig. 3 is that sled type of the present invention slides the position view of steel pipe on rear supporting chassis;
Wherein, 1, the sled type slides steel pipe; 2, the planing surface of ramped shaped; 3, bow member; 4, upslope shaped steel; 5, the middle shaped steel that connects; 6, tunnel; 7, the equipment on rear supporting chassis; 8, rear supporting chassis.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Referring to accompanying drawing 1, the two ends that this sled type slides steel pipe 1 are shaped as inclined-plane, are convenient to slide.
Referring to accompanying drawing 2, this tunnel support connects shaped steel 5, closure ring bow member downslope shaped steel in the middle of respectively encircling between bow member and being welded with initial ring bow member upslope shaped steel 4, bow member, slides steel pipe 1 for the sled type and slides.
Referring to accompanying drawing 1-3, the present invention is welded with respectively a sled type at rear supporting pallet bottom structure on two sides and slides steel pipe 1, and without the hole section of a vertical bow member, rear supporting chassis sled type slides steel pipe 1 and slides along the hole wall; When running into unfavorable geology hole section and need to prop up vertical bow member 3, between anterior all the bow members that stand of rear supporting chassis, corresponding sled type slides the steel pipe 1 route two bottom side welding bow members connection shaped steel that move ahead and be used as this sled type and slide the slide rail that steel pipe slides;
The job practices of described slide rail is to connect shaped steel 5 in the middle of the welding multistage between the bow member 3 in tunnel and on the taxi circuit in sliding steel pipe, between bow member, the upper surface of connection shaped steel and bow member 3 are in sustained height, connect shaped steel at initial ring bow member welding upslope, at closure ring bow member welding downslope, connect shaped steel;
When the TBM main frame tunnels forward, the sled type on rear supporting chassis slides rail and slides into initial upslope and connect shaped steel, and is transitioned into gradually between bow member on level connection joint shaped steel, finally from closure ring bow member downslope, connects shaped steel and slides and get final product.
The wheeled construction that described rear supporting trolley running method is not rail, but glding type structure, and the sled type to slide steel pipe 1 two ends be inclined-plane 2.
The present invention forwardly after trackless supporting chassis both sides bottom design be welded with the sled type and slide steel pipe 1, can by the dilatory oil cylinder that connects main frame afterbody and rear supporting chassis, be dragged with TBM main frame driving, Yan Dongbi slides forward.When running into unfavorable geology hole section and need to prop up vertical steel arch frame, between anterior all the steel arch framves that stood of rear supporting chassis, corresponding sled type slides move ahead two bottom side of route of steel pipe 1, be welded to connect shaped steel, this connection shaped steel can adopt H shaped steel, and weld respectively slope at initial ring with closure ring bow member place and be connected shaped steel, can guarantee trackless after supporting chassis cross over smoothly the unfavorable geology hole section that the supporting of steel arch frame is arranged.
Claims (2)
1. the method that after a minor diameter Open TBM trackless, supporting chassis is crossed over bow member, it is characterized in that: at first in rear supporting pallet bottom structure both sides, be welded with respectively a sled type and slide steel pipe (1), in the hole section without a vertical bow member, the sled type slides steel pipe (1) Yan Dongbi and slides;
When running into unfavorable geology hole section, vertical bow member, and between anterior all the bow members that stand of rear supporting chassis (8) (3), corresponding sled type slides steel pipe (1) route two bottom side that move ahead and arranges two and can supply this sled type slide the slide rail that steel pipe (1) slides;
Described slide rail comprise between the bow member (3) of being located in tunnel (6) and slide the multistage on the taxi circuit of steel pipe (1) in the sled type in the middle of connect shaped steel (5), in the middle of multistage, the upside of connection shaped steel (5) and bow member inboard are in sustained height, encircle bow member at head and weld initial upslope shaped steel (4), at closure ring bow member welding downslope shaped steel;
While by Zhi Li, the hole section of bow member being arranged, the sled type on rear supporting chassis (8) slides steel pipe (1) and slides into initial upslope shaped steel (4), and it is upper to connect shaped steel (5) in the middle of being transitioned into gradually, finally from the downslope shaped steel of ending segment, slides and gets final product.
2. the method that after minor diameter Open TBM trackless according to claim 1, supporting chassis is crossed over bow member, it is characterized in that: described rear supporting trolley running method is the glding type structure, and it is inclined-plane (2) that described sled type slides steel pipe (1) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329446.4A CN103437788B (en) | 2013-08-01 | 2013-08-01 | After minor diameter Open TBM trackless, the method for bow member crossed over by supporting chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329446.4A CN103437788B (en) | 2013-08-01 | 2013-08-01 | After minor diameter Open TBM trackless, the method for bow member crossed over by supporting chassis |
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| Publication Number | Publication Date |
|---|---|
| CN103437788A true CN103437788A (en) | 2013-12-11 |
| CN103437788B CN103437788B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310329446.4A Active CN103437788B (en) | 2013-08-01 | 2013-08-01 | After minor diameter Open TBM trackless, the method for bow member crossed over by supporting chassis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050255A (en) * | 2016-05-31 | 2016-10-26 | 中铁工程装备集团有限公司 | Support of open type small-diameter TBM railless rear matched trolley |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10176488A (en) * | 1996-12-18 | 1998-06-30 | Nippon Steel Corp | Lining structure for existing tunnel |
| CN101813214A (en) * | 2010-04-29 | 2010-08-25 | 中国石油化工集团公司 | Mounting and construction method of U-shaped tunnel pipelines |
| KR20110051968A (en) * | 2009-11-11 | 2011-05-18 | 주식회사 포스코 | Tunnel structure using steel frames |
| CN102287209A (en) * | 2011-07-29 | 2011-12-21 | 中铁一局集团有限公司 | Tunnel arch center installation operation vehicle |
| CN202273677U (en) * | 2011-09-28 | 2012-06-13 | 安徽省宿州市龙华机械制造有限公司 | Sled type trolley for scraper rock loader |
| CN202745884U (en) * | 2012-04-28 | 2013-02-20 | 兰州交通大学 | Tunnel section steel arching segment connecting structure |
| CN203248167U (en) * | 2013-04-10 | 2013-10-23 | 中铁十二局集团第二工程有限公司 | Safe inclined shaft lining trolley |
-
2013
- 2013-08-01 CN CN201310329446.4A patent/CN103437788B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10176488A (en) * | 1996-12-18 | 1998-06-30 | Nippon Steel Corp | Lining structure for existing tunnel |
| KR20110051968A (en) * | 2009-11-11 | 2011-05-18 | 주식회사 포스코 | Tunnel structure using steel frames |
| CN101813214A (en) * | 2010-04-29 | 2010-08-25 | 中国石油化工集团公司 | Mounting and construction method of U-shaped tunnel pipelines |
| CN102287209A (en) * | 2011-07-29 | 2011-12-21 | 中铁一局集团有限公司 | Tunnel arch center installation operation vehicle |
| CN202273677U (en) * | 2011-09-28 | 2012-06-13 | 安徽省宿州市龙华机械制造有限公司 | Sled type trolley for scraper rock loader |
| CN202745884U (en) * | 2012-04-28 | 2013-02-20 | 兰州交通大学 | Tunnel section steel arching segment connecting structure |
| CN203248167U (en) * | 2013-04-10 | 2013-10-23 | 中铁十二局集团第二工程有限公司 | Safe inclined shaft lining trolley |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050255A (en) * | 2016-05-31 | 2016-10-26 | 中铁工程装备集团有限公司 | Support of open type small-diameter TBM railless rear matched trolley |
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| CN103437788B (en) | 2016-01-27 |
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