CN109751058A - A kind of Double-cutter TBM of advance development release geological stress - Google Patents
A kind of Double-cutter TBM of advance development release geological stress Download PDFInfo
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- CN109751058A CN109751058A CN201910156417.XA CN201910156417A CN109751058A CN 109751058 A CN109751058 A CN 109751058A CN 201910156417 A CN201910156417 A CN 201910156417A CN 109751058 A CN109751058 A CN 109751058A
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- cutterhead
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- transmission mechanism
- slag
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- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000010079 rubber tapping Methods 0.000 claims abstract description 14
- 239000002893 slag Substances 0.000 claims description 39
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 14
- 238000009412 basement excavation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of Double-cutter TBM of advance development release geological stress, solve the problems, such as that excavation low efficiency, safety are poor in the unfavorable geologies digging process such as high-ground stress, weak surrounding rock large deformation under deep-long tunnel environment by TBM in the prior art.The present invention includes shield body, shield body front end is equipped with driving system, main driving and main girder are equipped in shield body, main girder is equipped with propulsion system and rear support, the driving system includes level-one cutterhead and second level cutterhead, level-one cutterhead is located in front of second level cutterhead and is connected by transmission mechanism with second level cutterhead, and second level cutterhead is connected with main driving；Slagging mechanism is equipped at the transmission mechanism, slagging mechanism is corresponding with slag-tapping system.The present invention is ingenious in design, and Double-cutter design and dreg removing system step by step are used cooperatively, and substantially increases excavation efficiency, while improving construction safety coefficient, promotional value with higher.
Description
Technical field
The present invention relates to technical field of tunnel construction, particularly relate to a kind of Double-cutter of advance development release geological stress
TBM。
Background technique
TBM(tunneling boring rock tunnel development machine) it is applied since its advantage such as safe and efficient, environmentally friendly is widely used in tunnel
Work.TBM tunnel construction environment is extremely severe, especially under deep-long tunnel environment, due to high-ground stress, weak surrounding rock large deformation
Equal unfavorable geologies face the engineering challenges such as TBM card machine, rock burst using TBM construction, seriously affect construction safety and efficiency.Therefore,
Designing a kind of TBM that can discharge geological stress in advance has greater significance.
Summary of the invention
For the deficiency in above-mentioned background technique, the present invention proposes a kind of Double-cutter of advance development release geological stress
TBM solves TBM unfavorable geologies such as high-ground stress, weak surrounding rock large deformation under deep-long tunnel environment in the prior art and excavates
Low efficiency, the problem of safety difference are excavated in the process.
The technical scheme of the present invention is realized as follows: a kind of Double-cutter TBM of advance development release geological stress, including
Shield body, shield body front end are equipped with driving system, and main driving and main girder are equipped in shield body, and main girder is equipped with propulsion system and rear branch
Support, the driving system include level-one cutterhead and second level cutterhead, and level-one cutterhead is located in front of second level cutterhead and passes through transmission mechanism
It is connected with second level cutterhead, second level cutterhead is connected with main driving；At the transmission mechanism be equipped with slagging mechanism, slagging mechanism with
Tapping mechanism is corresponding.
The transmission mechanism is protective sleeve, and one end of protective sleeve and level-one cutterhead are detachably fixed connection, the other end
Be detachably fixed and connect with second level cutterhead, the central axis of protective sleeve respectively with the central axis of level-one cutterhead, second level cutterhead
Central axis coincide.
The diameter of the level-one cutterhead is not more than the diameter of second level cutterhead, is equipped with slag input on level-one cutterhead and second level cutterhead
Mouth and slag notch.
The slagging mechanism is helical slag removing machine structure, and helical slag removing machine structure includes helical blade, helical blade and driver
The inner wall of structure is fixedly connected, and the front end of helical blade is corresponding with the slag notch of level-one cutterhead.
The slagging mechanism is helical slag removing machine structure, and helical slag removing machine structure includes helical blade, helical blade and driver
The outer wall of structure is fixedly connected, and the front end of helical blade is corresponding with the slag notch of level-one cutterhead.
The slagging mechanism is scraper plate slagging mechanism, and scraper plate slagging mechanism includes driving mechanism and support plate, driving mechanism
Output end be connected with chain, scraper plate is equidistantly equipped on chain, chain is located at the top of support plate, one end of support plate and master
Crossbeam connection, the other end pass through transmission mechanism, and one end of chain is corresponding with the slag notch of level-one cutterhead, the other end and second level knife
The slag inlet of disk is corresponding.
The bottom symmetrical of the support plate is equipped with two row support wheels, and support wheel keeps transmission mechanism opposite with transmission mechanism inscribe
Support plate rotation.
The tapping mechanism is belt conveyor, and the slag input end of belt conveyor is corresponding with the slag notch of second level cutterhead.
The present invention is Double cutter plate type super-precise TBM, and level-one cutterhead stretches out 2 ~ 5m of second level cutterhead, in digging process, passes through level-one cutterhead
Driving in advance, is excavated, and is excavated rock slag by slagging mechanism and is transported to second level cutterhead, the dregs generated with second level cutterhead
It is discharged through tapping mechanism.After level-one cutterhead excavates, rock stress is released in advance, avoids TBM card machine accident and rockburst risk；
Level-one cutterhead excavation face provides broken rock free face for second level cutterhead simultaneously, improves second level cutterhead efficiency of breaking rock.The present invention is set
Count it is ingenious, Double-cutter design and step by step dreg removing system is used cooperatively, substantially increase excavation efficiency, while improving construction safety
Coefficient, promotional value with higher.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in describing below to embodiment makees letter
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is slagging mechanism schematic diagram of the present invention in embodiment 1.
Fig. 3 is slagging mechanism schematic diagram of the present invention in embodiment 2.
Fig. 4 is slagging mechanism schematic diagram of the present invention in embodiment 3.
Fig. 5 is slagging mechanism schematic side view in embodiment 3.
Specific embodiment
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 description, 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 that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As illustrated in fig. 1 and 2, embodiment 1, a kind of Double-cutter TBM of advance development release geological stress, including shield body 10,
10 front end of shield body is equipped with driving system, and main driving 5 and main girder 6 are equipped in shield body 10, and main girder is the main supporting mechanism of equipment,
Main girder 6 is equipped with propulsion system 7 and rear support 8, and main driving 5 provides power for the cutterhead of driving system, and propulsion system 7 is pick
Offer power is pushed ahead into system.Rear support 8 is used to support main girder.The driving system includes level-one cutterhead 1 and two
Grade cutterhead 4, level-one cutterhead 1 are the small cutterhead of advance development, and second level cutterhead 4 excavates semi shield oil cylinder after being.Level-one cutterhead 1 is located at second level knife
It is connected in front of disk 4 and by transmission mechanism 2 with second level cutterhead 4, level-one cutterhead is carried out by transmission mechanism with second level cutterhead same
Step rotation.Second level cutterhead 4 is connected with main driving 5, and the main rotation for being driven to second level cutterhead provides power.The transmission mechanism 2
Place is equipped with slagging mechanism 3, and slagging mechanism is used to be discharged the dregs under level-one cutterhead excavates.Slagging mechanism 3 and setting are in shield body 10
Interior tapping mechanism 9 is corresponding.The tapping mechanism 9 is belt conveyor, slag input end and the slagging mechanism 3 of belt conveyor
Slag notch is corresponding.Tapping mechanism 9 is for being discharged the dregs that level-one cutterhead and second level cutterhead excavate out.This Double-cutter TBM is used
Size cutterhead front and back stages arrangement form, level-one cutterhead is preposition in second level 2 ~ 5m of semi shield oil cylinder, and two-stage grade cutterhead passes through transmission mechanism
It rotates synchronously.Level-one cutterhead excavation discharges rock stress in advance, reduces second level cutterhead and excavates card machine and rockburst risk, is simultaneously
Second level cutterhead provides broken rock free face, improves efficiency of breaking rock.
Further, the transmission mechanism 2 is protective sleeve, and as hollow cylinder nested structure is convenient for personnel's upkeep operation.It is anti-
One end of pretective sleeve pipe is detachably fixed connection, the other end and second level cutterhead 4 with level-one cutterhead 1 and is detachably fixed and connect, detachably
It is fixedly connected and is connected by screw bolts, level-one cutterhead and slagging mechanism can be dismantled, and tunnel second level cutterhead individually.Protection
Central axis of the central axis of sleeve respectively with the central axis of level-one cutterhead 1, second level cutterhead 4 coincides, and is arranging dregs
It is smoothly discharged at second level cutterhead under the action of slag mechanism.The diameter of level-one cutterhead 1 is not more than the diameter of second level cutterhead 4, level-one knife
The excavation face of disk provides broken rock free face for second level cutterhead, improves efficiency of breaking rock.It is all provided on level-one cutterhead 1 and second level cutterhead 4
There are slag inlet and slag notch, convenient for the conveying of dregs.
Further, the slagging mechanism 3 is helical slag removing machine structure, and helical slag removing machine structure includes helical blade 3b, helical-blade
Piece 3b is fixedly connected with the outer wall of transmission mechanism 2, that is, welding, which can be used, can also be used the connection that is screwed, helical blade and transmission
Mechanism synchronizes rotation.The front end of helical blade 3b and the slag notch of level-one cutterhead 1 are corresponding, the other end is directed at second level cutterhead
Inside 4.Under the turning effort of helical blade, the dregs under level-one cutterhead is excavated is transported at second level cutterhead, then through mucking machine
Structure discharge.
As shown in figure 3, embodiment 2, a kind of Double-cutter TBM of advance development release geological stress, the slagging mechanism 3 are
Helical slag removing machine structure, helical slag removing machine structure include helical blade 3a, and helical blade 3a is fixedly connected with transmission mechanism 2, can be adopted
The connection that is screwed can also be used with welding, helical blade and transmission mechanism synchronize rotation.The front end of helical blade 3a with
The slag notch of level-one cutterhead 1 is corresponding, the other end is corresponding with the slag inlet of tapping mechanism 9.In the turning effort of helical blade
Under, the dregs under level-one cutterhead is excavated is transported at second level cutterhead, then is discharged through tapping mechanism.
Other structures are same as Example 1.
As shown in Figures 4 and 5, embodiment 3, a kind of Double-cutter TBM of advance development release geological stress, the slagging mechanism
3 be scraper plate slagging mechanism, and scraper plate slagging mechanism includes driving mechanism 3-1 and support plate 3-2, and driving mechanism 3-1 setting is supporting
On plate 3-2.The output end of driving mechanism 3-1 is equipped with drive sprocket, and support plate is equipped with driven sprocket, drive sprocket and driven chain
It is connected with chain 3-3 on wheel, is equidistantly equipped with scraper plate 3-4 on chain 3-3, chain 3-3 is located at the top of support plate 3-2, scraper plate
It is in contact with support plate, driving mechanism drives chain rotation, and the dregs for falling on the supporting plate is transported to tapping mechanism.Support plate 3-
2 one end is connect with main girder 6, the other end passes through transmission mechanism 2, and one end of chain 3-3 is opposite with the slag notch of level-one cutterhead 1
Answer, the other end it is corresponding with the slag inlet of tapping mechanism 9.The rotation of level-one cutterhead, dregs is dropped down onto support plate from the top down, is scraped
Plate is discharged under the action of chain by dregs scraping delivery to second level cutterhead, then through tapping mechanism.
Further, the support plate 3-2 is horizontally set in the lower half circle of transmission mechanism, the bottom symmetrical of support plate 3-2
Equipped with two row support wheel 3-5, support wheel can rotation during transmission mechanism rotates.Support wheel 3-5 and 2 inscribe of transmission mechanism
2 relative support plate 3-2 of transmission mechanism is rotated, avoids support plate from rotating with transmission mechanism, it is ensured that support plate is in horizontality.
Level-one cutterhead excavates debris and is fallen in support plate by squeegee gap, and lower part scraper plate is under chain drive by debris in support plate
It scrapes and is transported to inside second level cutterhead backward.
Other structures are same as Example 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of Double-cutter TBM of advance development release geological stress, including shield body (10), shield body (10) front end are equipped with driving system
System, shield body (10) is interior to be equipped with main driving (5) and main girder (6), and main girder (6) is equipped with propulsion system (7) and rear support (8),
It is characterized by: the driving system includes level-one cutterhead (1) and second level cutterhead (4), level-one cutterhead (1) is located at second level cutterhead
(4) it is connected in front of and by transmission mechanism (2) with second level cutterhead (4), second level cutterhead (4) is connected with main driving (5)；It is described
Slagging mechanism (3) are equipped at transmission mechanism (2), slagging mechanism (3) is corresponding with tapping mechanism (9).
2. the Double-cutter TBM of advance development release geological stress according to claim 1, it is characterised in that: the transmission
Mechanism (2) is protective sleeve, and one end and level-one cutterhead (1) of protective sleeve are detachably fixed connection, the other end and second level cutterhead
(4) be detachably fixed connection, the central axis of protective sleeve respectively with the central axis of level-one cutterhead (1), second level cutterhead (4)
Central axis coincides.
3. the Double-cutter TBM of advance development release geological stress according to claim 2, it is characterised in that: the level-one
The diameter of cutterhead (1) is not more than the diameter of second level cutterhead (4), be equipped on level-one cutterhead (1) and second level cutterhead (4) slag inlet with
Slag notch.
4. the Double-cutter TBM of advance development release geological stress according to claim 3, it is characterised in that: the deslagging
Mechanism (3) is helical slag removing machine structure, and helical slag removing machine structure includes helical blade (3a), helical blade (3a) and transmission mechanism (2)
Inner wall be fixedly connected, the front end of helical blade (3a) is corresponding with the slag notch of level-one cutterhead (1).
5. the Double-cutter TBM of advance development release geological stress according to claim 3, it is characterised in that: the deslagging
Mechanism (3) is helical slag removing machine structure, and helical slag removing machine structure includes helical blade (3b), helical blade (3b) and transmission mechanism (2)
Outer wall be fixedly connected, the front end of helical blade (3b) is corresponding with the slag notch of level-one cutterhead (1).
6. the Double-cutter TBM of advance development release geological stress according to claim 3, it is characterised in that: the deslagging
Mechanism (3) is scraper plate slagging mechanism, and scraper plate slagging mechanism includes driving mechanism (3-1) and support plate (3-2), driving mechanism (3-
1) output end is connected with chain (3-3), is equidistantly equipped with scraper plate (3-4) on chain (3-3), and chain (3-3) is located at support plate
The top of (3-2), one end of support plate (3-2) is connect with main girder (6), the other end passes through transmission mechanism (2), chain (3-3)
One end is corresponding with the slag notch of level-one cutterhead (1), the slag inlet of the other end and second level cutterhead (4) is corresponding.
7. the Double-cutter TBM of advance development release geological stress according to claim 6, it is characterised in that: the support
The bottom symmetrical of plate (3-2) is equipped with two row support wheels (3-5), and support wheel (3-5) and transmission mechanism (2) inscribe make transmission mechanism
(2) relative support plate (3-2) rotates.
8. discharging the Double-cutter TBM of geological stress according to advance development described in claim 4 or 5 or 7, it is characterised in that: institute
Stating tapping mechanism (9) is belt conveyor, and the slag input end of belt conveyor is corresponding with the slag notch of second level cutterhead (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156417.XA CN109751058A (en) | 2019-03-01 | 2019-03-01 | A kind of Double-cutter TBM of advance development release geological stress |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910156417.XA CN109751058A (en) | 2019-03-01 | 2019-03-01 | A kind of Double-cutter TBM of advance development release geological stress |
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| CN109751058A true CN109751058A (en) | 2019-05-14 |
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| CN201910156417.XA Pending CN109751058A (en) | 2019-03-01 | 2019-03-01 | A kind of Double-cutter TBM of advance development release geological stress |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112658A (en) * | 2020-09-30 | 2020-12-22 | 中国铁建重工集团股份有限公司 | TBM and TBM construction method of combined tunnel |
| CN112901190A (en) * | 2021-04-06 | 2021-06-04 | 中国铁建重工集团股份有限公司 | Concentric big and small double-cutter-head rock burst prevention excavation device and heading machine |
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| JPH08284583A (en) * | 1995-04-18 | 1996-10-29 | Ohbayashi Corp | Tunnel excavator |
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| CN108708738A (en) * | 2018-06-01 | 2018-10-26 | 中国科学院武汉岩土力学研究所 | Realize that the pretreated combination type T BM of rock burst and rock burst pre-process driving method |
| CN108798688A (en) * | 2018-06-01 | 2018-11-13 | 中国科学院武汉岩土力学研究所 | Realize that the combination type T BM that gets rid of poverty of card machine and card machine get rid of poverty driving method |
| CN109139032A (en) * | 2018-10-29 | 2019-01-04 | 中铁工程装备集团有限公司 | One kind being suitable for super-large diameter hard rock mole cutterhead |
| CN109339809A (en) * | 2018-11-05 | 2019-02-15 | 中铁工程装备集团有限公司 | A kind of economical rock tunnel(ling) machine being adapted to great burying and its construction method |
| CN209604006U (en) * | 2019-03-01 | 2019-11-08 | 中铁工程装备集团有限公司 | A kind of Double-cutter TBM of advance development release geological stress |
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2019
- 2019-03-01 CN CN201910156417.XA patent/CN109751058A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05321579A (en) * | 1992-05-21 | 1993-12-07 | Okumura Corp | Tunnel excavator |
| JPH08284583A (en) * | 1995-04-18 | 1996-10-29 | Ohbayashi Corp | Tunnel excavator |
| CN106223970A (en) * | 2016-08-31 | 2016-12-14 | 中国铁建重工集团有限公司 | A kind of tunneler |
| CN108708738A (en) * | 2018-06-01 | 2018-10-26 | 中国科学院武汉岩土力学研究所 | Realize that the pretreated combination type T BM of rock burst and rock burst pre-process driving method |
| CN108798688A (en) * | 2018-06-01 | 2018-11-13 | 中国科学院武汉岩土力学研究所 | Realize that the combination type T BM that gets rid of poverty of card machine and card machine get rid of poverty driving method |
| CN109139032A (en) * | 2018-10-29 | 2019-01-04 | 中铁工程装备集团有限公司 | One kind being suitable for super-large diameter hard rock mole cutterhead |
| CN109339809A (en) * | 2018-11-05 | 2019-02-15 | 中铁工程装备集团有限公司 | A kind of economical rock tunnel(ling) machine being adapted to great burying and its construction method |
| CN209604006U (en) * | 2019-03-01 | 2019-11-08 | 中铁工程装备集团有限公司 | A kind of Double-cutter TBM of advance development release geological stress |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112658A (en) * | 2020-09-30 | 2020-12-22 | 中国铁建重工集团股份有限公司 | TBM and TBM construction method of combined tunnel |
| CN112901190A (en) * | 2021-04-06 | 2021-06-04 | 中国铁建重工集团股份有限公司 | Concentric big and small double-cutter-head rock burst prevention excavation device and heading machine |
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