CN102926762A - Anti-explosion TBM (tunnel boring machine) - Google Patents
Anti-explosion TBM (tunnel boring machine) Download PDFInfo
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- CN102926762A CN102926762A CN2012104785929A CN201210478592A CN102926762A CN 102926762 A CN102926762 A CN 102926762A CN 2012104785929 A CN2012104785929 A CN 2012104785929A CN 201210478592 A CN201210478592 A CN 201210478592A CN 102926762 A CN102926762 A CN 102926762A
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Abstract
The invention discloses an anti-explosion TBM (tunnel boring machine), which includes a cutter head tunneling mechanism used for crushing coal rock, a driving device mounted at a front shield of a shielding device, connected with a cutter head of the cutter head tunneling mechanism and used for driving the cutter head to rotate, and a boosting oil cylinder mounted in a middle shield of the shielding device, wherein electric equipment of the driving device and hydraulic equipment of the boosting oil cylinder are anti-explosion equipment. As the electric equipment and the hydraulic equipment of the anti-explosion TBM are anti-explosion equipment, the anti-explosion TBM avoids the hidden danger of electric spark generation, and can be used in coal mine tunnels with coal dust and gas, and improves the operating safety.
Description
Technical field
The present invention relates to the Boring Machine Technique field, particularly relate to a kind of explosion-proof type TBM.
Background technology
Along with the development of China's economic construction, energy consumption increases rapidly, and coal is as the main energy sources of China, and its consumption also constantly increases, and the coal industry of China also is rapidly developed.
Driving and back production are the important steps of coal production.The speedy drivage of coal mine roadway is the key measures that guarantees mine stable high yield.The driving of efficient mechanical, support technology become the developing direction of tunnelling technology.
At present, the coal mine roadway driving mostly adopts the cantilever development machine, and its cut scope is not full section, and carries out cut with pick, and for the larger coal petrography of hardness, drivage efficiency is low; And driving and mostly independently working of supporting operation, wherein the supporting operation adopts jumbolter to carry out supporting more, strict to unsupported back span, and not only supporting efficient is low, in the situation that features as poor geologic condition, also can increase operating personnel's danger; The more important thing is that coal mine roadway contains coal dust and gas, disastrous accident if be applied to the coal mine roadway operation, can occur because producing electric spark owing to comprising electrical system in development machine commonly used unavoidably.
Therefore, how to design a kind of explosion-proof type TBM, be used for coal mine roadway, this explosion-proof type TBM can improve drivage efficiency, can guarantee safety again, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of explosion-proof type TBM, this explosion-proof type TBM meets national coal mine explosion-proof standard-required, and can make simultaneously operation of driving supporting, and the tunnel one-shot forming improves drivage efficiency.
For solving the problems of the technologies described above, the invention provides a kind of explosion-proof type TBM, comprising:
The cutterhead boring mechanism is used for broken coal petrography;
Drive unit is installed on the anterior shield of shield device, and is connected with the cutterhead of described cutterhead boring mechanism, is used for driving described cutterhead rotation;
Propelling cylinder is installed on the middle shield of described shield device;
The electric equipment of described drive unit and the hydraulic test of described propelling cylinder are antiknock device.
Preferably, the middle shield of described shield device is equipped with the duct piece assembling machine for segment assembly, and described duct piece assembling machine is positioned at the backing below of described shield device.
Preferably, also be provided with leading rig on the described duct piece assembling machine.
Preferably, described cutterhead boring mechanism comprises earth pressure balance pattern swivel coupling and TBM pattern swivel coupling, so that described explosion-proof type TBM can change between earth pressure balance boring mode and TBM boring mode.
Preferably, described explosion-proof type TBM is in the TBM boring mode, and described cutterhead boring mechanism is provided with slag-screening board and slagging tray, and described slagging tray is positioned at the middle part of described cutterhead boring mechanism, and is connected with belt conveyor.
Preferably, described explosion-proof type TBM is in the earth pressure balance boring mode, and the anterior shield of described shield device connects conveying worm, and the head of described conveying worm is positioned at the bottom of described cutterhead.
Preferably, described explosion-proof type TBM further comprises dust arrester, in order to reduce the dust content of operating area.
Preferably, the anterior shield of described shield device is provided with stabilizer, is used for vibrationproof and stablizes described shield device.
Relative above-mentioned background technology, explosion-proof type TBM(Tunnel BoringMachine provided by the present invention, hard rock mole) comprise the cutterhead boring mechanism for broken coal petrography; With the drive unit that the cutterhead of described cutterhead boring mechanism is connected, described drive unit is installed on the anterior shield of shield device, is used for driving described cutterhead rotation, and the propelling cylinder that is installed on the middle shield of described shield device; The electric equipment of described drive unit and the hydraulic test of described propelling cylinder are antiknock device.Because the electric equipment of the drive unit of this explosion-proof type TBM and the hydraulic test of propelling cylinder are antiknock device, eliminated the hidden danger that produces electric spark, so that this explosion-proof type TBM can be used in the coal mine roadway that contains coal dust and gas, improved operational security.
A kind of preferred embodiment in, explosion-proof type TBM provided by the present invention is equipped with duct piece assembling machine at the middle shield of shield device, described duct piece assembling machine is positioned at the backing below of described shield device, explosion-proof type TBM is when carrying out excavation operation, can pass through the duct piece assembling machine segment assembly, realize the tunnel one-shot forming, further increase work efficiency.
In another preferred embodiment, the explosion-proof type TBM that provides of the present invention can change between earth pressure balance boring mode and TBM boring mode, when the stable difference of excavation face or moisture more stratum, can adopt the earth pressure balance boring mode to tunnel; When surrounding rock in excavation can from steady, when rock stratum stability is better, can adopt the TBM boring mode to tunnel; Therefore development machine provided by the invention has stronger geological adaptability, applied range.
Description of drawings
Fig. 1 is the structural representation of explosion-proof type TBM provided by the present invention under the earth pressure balance boring mode;
Fig. 2 is the structural representation of explosion-proof type TBM provided by the present invention under the TBM boring mode;
Fig. 3 be among Fig. 1 A-A to generalized section;
Fig. 4 be among Fig. 1 B-B to generalized section;
Fig. 5 be among Fig. 1 C-C to generalized section.
The specific embodiment
Core of the present invention provides a kind of explosion-proof type TBM, and this explosion-proof type TBM meets national coal mine explosion-proof standard-required, and can make simultaneously operation of driving supporting, and the tunnel one-shot forming improves drivage efficiency.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
It is pointed out that this paper related forward and backward, in, the inferior noun of locality all is to be arranged in figure and component position each other defines with component among Fig. 1 to Fig. 5, wherein, front and after be take the tunneling direction of explosion-proof type TBM as the benchmark definition; The use of the described noun of locality is just in order to explain the clear and convenient of technical scheme, should be appreciated that the noun of locality that this paper adopts should not limit the protection domain of the application's request.
Please refer to Fig. 1 to Fig. 5; Fig. 1 is the structural representation of explosion-proof type TBM provided by the present invention under the earth pressure balance boring mode; Fig. 2 is the structural representation of explosion-proof type TBM provided by the present invention under the TBM boring mode; Fig. 3 be among Fig. 1 A-A to generalized section; Fig. 4 be among Fig. 1 B-B to generalized section; Fig. 5 be among Fig. 1 C-C to generalized section.
In a kind of concrete embodiment, the integrated explosion-proof electric apparatus of explosion-proof type TBM complete machine provided by the present invention, hydraulic pressure, fluid device, complete machine meets national coal mine explosion-proof standard.Described explosion-proof type TBM comprises cutterhead boring mechanism, shield device and drive unit.
Described cutterhead boring mechanism is used for broken coal petrography, comprises cutterhead 11, and cutterhead 11 can adopt the structure of hard rock cutterhead, in order to adapt to the driving of earth pressure balance pattern and TBM pattern; Can arrange according to actual geological condition the cutter of dimension and quantity on the cutterhead 11.
The rear of described cutterhead 11 is equipped with earth pressure balance pattern swivel coupling 12(and is shown among Fig. 1) and TBM pattern swivel coupling 13(be shown among Fig. 2), so that explosion-proof type TBM can change between earth pressure balance boring mode and TBM boring mode.
Described shield device comprises anterior shield 21, middle shield 22 and backing 23; Wherein, anterior shield 21 and middle shield 22 are articulated and connected; Backing 23 is packed on the middle shield 22, can be by being welded and fixed, and not only easy but also reliable.Because anterior shield 21 and middle shield 22 are articulated and connected, so can adjust complete machine at work.
Described drive unit 30 is installed on the anterior shield 21 on the shield device, and is connected with cutterhead 11; Drive unit 30 drives cutterhead 11 rotations by motor reducer band dynamic bearing, and wherein drive motors can adopt variable-frequency motor to drive, and described variable-frequency motor is fire-proof motor, and the electric equipment that matches with variable-frequency motor all adopts antiknock device; Certainly drive unit 30 also can adopt hydraulic-driven.
On the middle shield 22 of described shield device duct piece assembling machine 51 is installed further, duct piece assembling machine 51 is positioned at the below of backing 23; During work, duct piece assembling machine 51 carries out the assembly unit of section of jurisdiction 52 under the protection of backing 23.
Also be provided with deslagging device on the described explosion-proof type TBM, particularly, described deslagging device comprises conveying worm 61 and belt conveyor 62; Wherein, when explosion-proof type TBM is in the earth pressure balance boring mode, earth pressure balance pattern swivel coupling 12 is installed at cutterhead 11 rears, the anterior shield 21 of shield device connects conveying worm 61, and wherein conveying worm 61 is obliquely installed, and its head is positioned at the bottom of cutterhead 11; When explosion-proof type TBM is in the TBM boring mode, TBM pattern swivel coupling 13 is installed at cutterhead 11 rears, also be provided with slagging tray 131 on the cutterhead 11 and slag-screening board 132(is shown among Fig. 2); Wherein slagging tray 131 is positioned at the middle part of cutterhead boring mechanism, is connected with belt conveyor 62.
Described explosion-proof type TBM also further is provided with dust arrester 70, and the dust content for reducing the operating area improves operating environment, and the guarantee operating personnel's is healthy.
Here it is to be noted, the electric equipment of above-mentioned drive unit 30 and the hydraulic test of propelling cylinder 41 are antiknock device, in fact, the equipment that can produce electric spark on the described explosion-proof type TBM all adopts antiknock device, be the integrated explosion-proof electric apparatus of described explosion-proof type TBM complete machine, hydraulic pressure, fluid device, so that complete machine meets national coal mine explosion-proof standard.Because explosion-proof type TBM complete machine is explosion-proof integrated, can avoid the generation of electric spark and the catastrophic failure that causes thereof.
During work, when excavation face poor stability or moisture during than multiple seam, earth pressure balance pattern swivel coupling 12 and conveying worm 61 are installed, at this moment, explosion-proof type TBM is in the earth pressure balance boring mode, is closed boring mode; Cutterhead 11 rotates under the driving of drive unit 30, forwards tunnels by the thrust that propelling cylinder 41 provides, and the coal petrography under the cutting is delivered to outside the tunnel by conveying worm 61.Simultaneously, dust arrester 70 constantly carries out the dedusting operation, reduces the dust content of operating area; When propelling cylinder 41 arrives range, stop driving, by duct piece assembling machine 51 segment assemblies 52; Reciprocating working is realized driving, supporting operation successively, makes the tunnel one-shot forming.
When surrounding rock in excavation can be from steady, when rock stratum stability is better, TBM pattern swivel coupling 13 and belt conveyor 62 are installed, slagging tray 131 and slag-screening board 132 further are installed on cutterhead 11, wherein slagging tray 131 is positioned at the middle part at cutterhead 11 rears, be connected with belt conveyor 62, slag-screening board 132 is used for the coal petrography that cutter excavates is scraped and send into slagging tray 131; At this moment, explosion-proof type TBM is in the TBM boring mode, is the open type boring mode.Similarly, cutterhead 11 rotates under the driving of drive unit 30, forwards tunnels by the thrust that propelling cylinder 41 provides, and the coal petrography under the cutting is sent into belt conveyor 62 by slagging tray 131, dust arrester 70 constantly carries out the dedusting operation simultaneously, reduces the dust content of operating area; When propelling cylinder 41 arrives range, stop driving, by duct piece assembling machine 51 segment assemblies 52; Reciprocating working is realized driving, supporting operation successively, makes the tunnel one-shot forming.
Explosion-proof type TBM provided by the invention can avoid the generation of electric spark because its electric equipment and hydraulic test have all adopted antiknock device, makes it contain the coal mine roadway construction of coal dust and gas, the generation of the incidents that averts a calamity; In addition, because this explosion-proof type TBM can change between earth pressure balance boring mode and TBM boring mode, the scope of application is wide.
Can make improvements above-mentioned explosion-proof type TBM.
Further, can leading rig installation position be set at duct piece assembling machine 51, in the TBM boring mode, as run into breaking surrounding rock, when needing advance geologic to reinforce, can leading rig 81 be installed at duct piece assembling machine 51, and at middle shield 22 pre-grouting pipe 82 be set; Carry out the operation of advance geologic grouting and reinforcing by leading rig 81 and pre-grouting pipe 82, effectively reduce engineering risk.
Further, be provided with stabilizer 90 at anterior shield 21, under the hard rock geological conditions, can absorb the vibration of main frame, when tool changing, can also vibrationproof also stablize the shield device.
Explosion-proof type TBM provided by the present invention is the integrated explosion-proof electric apparatus of complete machine, hydraulic pressure, fluid device on the basis of existing technology, complete machine meets national coal mine explosion-proof standard, so that explosion-proof type TBM can be directly used in the coal mine roadway operation, do not need additionally to carry out flame proof and process.
Above explosion-proof type TBM provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. explosion-proof type TBM comprises:
The cutterhead boring mechanism is used for broken coal petrography;
Drive unit is installed on the anterior shield of shield device, and is connected with the cutterhead of described cutterhead boring mechanism, is used for driving described cutterhead rotation;
Propelling cylinder is installed on the middle shield of described shield device;
It is characterized in that, the electric equipment of described drive unit and the hydraulic test of described propelling cylinder are antiknock device.
2. explosion-proof type TBM as claimed in claim 1 is characterized in that, the middle shield of described shield device is equipped with the duct piece assembling machine for segment assembly, and described duct piece assembling machine is positioned at the backing below of described shield device.
3. explosion-proof type TBM as claimed in claim 2 is characterized in that, also is provided with leading rig on the described duct piece assembling machine.
4. explosion-proof type TBM as claimed in claim 1, it is characterized in that, described cutterhead boring mechanism comprises earth pressure balance pattern swivel coupling and TBM pattern swivel coupling, so that described explosion-proof type TBM can change between earth pressure balance boring mode and TBM boring mode.
5. explosion-proof type TBM as claimed in claim 4, it is characterized in that, described explosion-proof type TBM is in the TBM boring mode, and described cutterhead boring mechanism is provided with slag-screening board and slagging tray, described slagging tray is positioned at the middle part of described cutterhead boring mechanism, and is connected with belt conveyor.
6. explosion-proof type TBM as claimed in claim 4 is characterized in that, described explosion-proof type TBM is in the earth pressure balance boring mode, and the anterior shield of described shield device connects conveying worm, and the head of described conveying worm is positioned at the bottom of described cutterhead.
7. such as each described explosion-proof type TBM of claim 1 to 6, it is characterized in that, further comprise dust arrester, in order to reduce the dust content of operating area.
8. such as each described explosion-proof type TBM of claim 1 to 6, it is characterized in that, the anterior shield of described shield device is provided with stabilizer, is used for vibrationproof and stablizes described shield device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478592.9A CN102926762B (en) | 2012-11-22 | 2012-11-22 | Anti-explosion TBM (tunnel boring machine) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210478592.9A CN102926762B (en) | 2012-11-22 | 2012-11-22 | Anti-explosion TBM (tunnel boring machine) |
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| CN102926762A true CN102926762A (en) | 2013-02-13 |
| CN102926762B CN102926762B (en) | 2015-02-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982195A (en) * | 2014-05-13 | 2014-08-13 | 淮南矿业(集团)有限责任公司 | Full-face tunnel boring machine |
| CN104196538A (en) * | 2014-09-05 | 2014-12-10 | 中船重工（青岛）轨道交通装备有限公司 | Combined type double-shield tunneling machine |
| CN107435541A (en) * | 2017-09-18 | 2017-12-05 | 中铁工程装备集团有限公司 | A kind of new TBM and its construction method for possessing pipe roof construction ability |
| CN111794760A (en) * | 2020-07-27 | 2020-10-20 | 中铁工程装备集团有限公司 | Coal mine TBM continuous tunneling construction method and coal mine TBM |
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| EP0470253A1 (en) * | 1989-04-28 | 1992-02-12 | Kabushiki Kaisha Konoike Gumi | Earth pressure system shield process |
| FR2795129A1 (en) * | 1999-06-15 | 2000-12-22 | Nfm Tech | Tunnel boring machine has conveyor which can pass through wall's opening and move between position with head inside blasting chamber and position where its end section closes the opening |
| JP2003184486A (en) * | 2001-12-18 | 2003-07-03 | Okumura Corp | Overcut mechanism of tunnel boring machine |
| JP2012077552A (en) * | 2010-10-05 | 2012-04-19 | Alpha Civil Engineering:Kk | Explosion-proof excavation equipment |
| CN203175565U (en) * | 2012-11-22 | 2013-09-04 | 中铁隧道装备制造有限公司 | Explosion-proof tunnel boring machine |
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2012
- 2012-11-22 CN CN201210478592.9A patent/CN102926762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0470253A1 (en) * | 1989-04-28 | 1992-02-12 | Kabushiki Kaisha Konoike Gumi | Earth pressure system shield process |
| FR2795129A1 (en) * | 1999-06-15 | 2000-12-22 | Nfm Tech | Tunnel boring machine has conveyor which can pass through wall's opening and move between position with head inside blasting chamber and position where its end section closes the opening |
| JP2003184486A (en) * | 2001-12-18 | 2003-07-03 | Okumura Corp | Overcut mechanism of tunnel boring machine |
| JP2012077552A (en) * | 2010-10-05 | 2012-04-19 | Alpha Civil Engineering:Kk | Explosion-proof excavation equipment |
| CN203175565U (en) * | 2012-11-22 | 2013-09-04 | 中铁隧道装备制造有限公司 | Explosion-proof tunnel boring machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982195A (en) * | 2014-05-13 | 2014-08-13 | 淮南矿业(集团)有限责任公司 | Full-face tunnel boring machine |
| CN104196538A (en) * | 2014-09-05 | 2014-12-10 | 中船重工（青岛）轨道交通装备有限公司 | Combined type double-shield tunneling machine |
| CN104196538B (en) * | 2014-09-05 | 2015-09-30 | 中船重工（青岛）轨道交通装备有限公司 | A kind of combined type Double shield TBM |
| CN107435541A (en) * | 2017-09-18 | 2017-12-05 | 中铁工程装备集团有限公司 | A kind of new TBM and its construction method for possessing pipe roof construction ability |
| CN107435541B (en) * | 2017-09-18 | 2023-04-25 | 中铁工程装备集团有限公司 | TBM with pipe shed construction capability and construction method thereof |
| CN111794760A (en) * | 2020-07-27 | 2020-10-20 | 中铁工程装备集团有限公司 | Coal mine TBM continuous tunneling construction method and coal mine TBM |
| CN111794760B (en) * | 2020-07-27 | 2022-02-08 | 中铁工程装备集团有限公司 | Coal mine TBM continuous tunneling construction method and coal mine TBM |
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| CN102926762B (en) | 2015-02-11 |
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Address after: 450016 No. sixth, 99 Avenue, Zhengzhou Economic Development Zone, Henan, China Applicant after: China Railway Manufacturing Equipment Group Co., Ltd. Address before: 450016 No. sixth, 99 Avenue, Zhengzhou Economic Development Zone, Henan, China Applicant before: China Railway Tunneling Equipment Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: CHINA RAILWAY TUNNELING EQUIPMENT CO., LTD. TO: CHINA RAILWAY MANUFACTURING EQUIPMENT GROUP CO., LTD. |
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