CN104895576A - TBM-EPB dual-mode shield tunneling machine mode conversion method - Google Patents
TBM-EPB dual-mode shield tunneling machine mode conversion method Download PDFInfo
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- CN104895576A CN104895576A CN201510247576.2A CN201510247576A CN104895576A CN 104895576 A CN104895576 A CN 104895576A CN 201510247576 A CN201510247576 A CN 201510247576A CN 104895576 A CN104895576 A CN 104895576A
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Abstract
The invention relates to the field of shield tunneling and particularly relates to a TBM-EPB dual-mode shield tunneling machine mode conversion method. The method comprises the steps of (1) rear belt conveyor dismounting; (2) rear work platform cleaning; (3) in-machine belt conveyor removing; (4) soil guide chute removing; (5) scraper removing; (6) stirring rod welding; (7) center rotation joint mounting; (8) in-cabin blocking mounting and stirring rod removing; (9) spiral conveyor mounting; (10) platform recovery; (11) rear belt conveyor reset; (12) pipe circuit recovery; (13) debugging. According to the method, standard steps are made towards the TBM mode to EPB mode conversion mode of the current dual-mode shield tunneling machine structure, the number of dismounting parts is reduced to the largest extent, the conversion efficiency from the TBM mode to the EPB mode is improved, the worker labor intensity is reduced, the construction cost is saved, and the construction period is saved.
Description
Technical field
The present invention relates to shield-tunneling construction field, be specifically related to the double mode shield machine mode conversion method of TBM-EPB.
Background technology
Shield structure is a kind of heavy mechanical equipment being applied to tunnel construction, it integrates brokenly rock, slags tap, lining cutting, supporting etc., have that automaticity is high, speed is fast and the advantage such as safe and efficient, in recent years, Tunnel Project be widely applied.
In constructing tunnel; usually can relate to and be constructed in the stratum of different geological condition; with regard to employing shield-tunneling construction; need to be divided into ground consisting of hard rock and soft rock strata according to the hardness on stratum; and shield structure divides according to the hardness on stratum and is also correspondingly divided into two kinds of boring modes; be the TMB boring mode being applicable to ground consisting of hard rock, another kind is the EPB boring mode being applicable to soft rock strata.
In work progress, by changing the shield structure of different mode to realize the driving in Different Strata, but, owing to changing the shield structure of different mode in work progress, not only need the manpower and materials of at substantial, but also need longer replacing construction, schedule delays, many troubles are more brought to construction in tunneling in the location particularly alternately occurred on soft or hard stratum.
So, in order to solve the problem, the double mode shield structure of TBM-EPB arises at the historic moment, can be implemented in the normal driving under two kinds of mode situation, that is, the conversion of boring mode can be carried out at the interface place on soft or hard stratum, the requirement with Different Strata is adapted to this, the shield structure of the different boring mode of the more traditional replacing of conversion of this boring mode, not only saves a large amount of manpower and materials, but also the construction period shortened greatly.
But, the double mode shield structure of TBM-EPB is being adopted to carry out in constructing tunnel at present, still there is deficiency, in Practical Project construction, inventor finds, when the double mode shield structure of TBM-EPB carries out patten transformation, there is no unified method for normalizing, arrange again after all basic all dismountings of remaining part normally except cutterhead and shield machine casing, and in pattern Renewal process, each step is chaotic, and serious wastes manpower and materials, but also need the longer replacing duration, significantly increase construction cost.
Summary of the invention
The object of the invention is to: for the problems referred to above that current double mode shield machine is existing when carrying out pattern and changing, provide a kind of and be directed to the mode conversion method that current double mode shield structure structure is EPB pattern by TBM patten transformation.
To achieve these goals, the technical solution used in the present invention is:
The double mode shield machine mode conversion method of TBM-EPB, comprises the steps.
(1) rear conveyor is removed;
(2) rear area work platform cleaning;
(3) machine inner belt machine removes;
(4) lead native chute to remove;
(5) scraper plate removes;
(6) stirring rod welding;
(7) mounting center swivel coupling;
(8) in storehouse, releasing stirring rod of blocking is installed;
(9) conveying worm is installed;
(10) platform recovers;
(11) rear conveyor resets;
(13) debug,
In described step (), specifically comprise the steps:
(one a) in the wings the driven end of conveyor structure and link respectively tangle with 2 groups of ring-chain hoists, cucurbit fixed end hangs on section of jurisdiction, and arranges battery truck below conveyor in the wings;
(one b) cuts off conveyer belt, removes rear conveyor driven end supporting traverse;
(one c) driven end 2 cucurbits transfer simultaneously, driven end is put in battery truck;
(one d) removes the connection bearing pin of rear conveyor tilting section and horizontal segment;
(one e) link 2 cucurbits transfer simultaneously, rear conveyor entirety is put in battery truck;
(rear conveyor f) removed sends well head by battery truck, and by driving hanging out.
In step (), its objective is and clean out the dismounting passage of machine inner belt machine and the installation passage of conveying worm.
Remove operation when carrying out, rear conveyor just must not transfer has people to stay, and cucurbit operating personnel must not stand in operation on the conveyor of rear, must in tunnel manual operation cucurbit in safety zone, battery truck both sides.
As preferably, in described step (two), specifically comprise the steps:
(two a) platform for lining remove;
(two b) assembling machine cable drum remove;
(two c) shield machine inner platform remove;
(two d) on the platform of rear all pipelines remove;
(two e) platform semi girder connecting cross beam remove;
(two f) in shield machine regulator cubicle remove.
In step (two), the object of cleaning rear area work platform is the unimpeded safety with ensureing operating personnel for the transport and dismounting passage ensureing follow-up mode conversion associated components, step (two d) in, the pipeline of rear area work platform is owing to having interference to the dismounting passage of shield machine inner belt machine and the installation passage of conveying worm, therefore need first to remove, sign must be carried out at pipeline total interface place before dismounting, recover to facilitate the pipeline in patten transformation later stage.
As preferably, in described step (three), specifically comprise the steps:
(three a) at the unearthed end of machine inner belt machine with to enter the lifting of the soil each use of end 2 2t ring-chain hoists fixing, and battery truck is set below machine inner belt machine;
(three b) remove the turnbuckle being unearthed and holding, and remove the connecting bolt into native bottom portion pivot flange;
(three c) end that is unearthed be lowered in battery truck by the operation simultaneously of 2 cucurbits;
(three d) battery truck move, that enters that soil end 2 cucurbits match with battery truck translational speed transfers, by machine inner belt machine entirety from extracting out in machine and transferring in tunnel;
(three e) utilize section of jurisdiction to transport electric block on twin beams machine inner belt machine Integral lifting to battery truck will send well head.
Machine inner belt machine must be noted that when removing that cucurbit stable action is slow, avoids machine inner belt machine acutely to rock the personnel that cause and injures and destroy drive motors water cooled housing.
As preferably, in described step (four), first fixation must be carried out in native storehouse before removing connecting bolt, and build interim installation personnel job platform in machine, and between platform and tunnel bottom, platform with slope is installed, convenient working personnel to pass in and out in shield machine and shift out passage as what lead native chute and the follow-up scraper plate removed in native storehouse, native chute is led in dismounting need relate to operation in native storehouse, in whole dismounting step, ensure the ventilation in storehouse, in storehouse, personnel can not long working, should substitute once for every 2 hours.
As preferably, in described step (five), first carry out the fixation being removed scraper plate before dismounting, prevent scraper plate from dropping and hurt sb.'s feelings, it is steadily slow that the scraper plate after dismounting transports necessary safety action in process, prevents from rocking and hurt sb.'s feelings and destroy drive motors water cooled housing.
As preferably, in described step (six), the stirring rod at the cutterhead back side first presses installation drawing in a pre-installation at cutterhead back cutting installing hole, and stirring rod root is welded and fixed after inserting installing hole again.
As preferably, in described step (seven), specifically comprise the steps:
(seven a) remove distribution plate bolt hole press strip in native storehouse;
(seven b) install pipeline distribution plate in storehouse, and before installing, it splits into two pieces, then distinguish installation in handling to native storehouse, need ensure that the pipe interface of disk body periphery and cutterhead are turned round pipe interface pre-buried in leg and alignd during installation.
(seven c) install all kinds of flexible pipe in distribution plate;
(seven d) install shield machine inside spin machine import dividing plate;
(seven e) centre revolving joints in fitting machine.
Step (seven a) in, the Main Function of bolt hole press strip is under TBM pattern, protect distribution plate erection bolt hole not filled in by soil, therefore installation distribution plate before need to be pulled down.
As preferably, in described step (nine), specifically comprise the steps:
(nine a) in the wings platform semi girder are arranged the load-bearing door frame of garter coil conveyer;
(nine b) by battery truck by below conveying worm whole Transporting to load-bearing door frame;
(nine c) are erected by bearing door and hang conveying worm, and battery truck shifts out shield machine;
(nine d) install auxiliary suspension centre and auxiliary cucurbit, and adjustment conveying worm height, angle and horizontal level, make conveying worm be positioned at design attitude;
(nine after e) conveying worm position has adjusted, and installs connecting bolt, fixing conveying worm.
As preferably, in described step (ten), after conveying worm installation, the platform for lining under rear area work platform and applicable EPB pattern is installed.
As preferably, in described step (11), rear conveyor is transported in tunnel by battery truck again, and installs fixing.
As preferably, in described step (12), specifically comprise the steps:
(12 a) according to step, (two signs d) reconnect pipeline;
(12 all pipeline pipe arrangements b) on centre revolving joint connect;
(12 all c) on native bulkhead add mud and to add water and foam line connects;
(12 d) conveying worm all hydraulic pipeline connections;
(12 e) conveying worm add mud add bubble pipeline connect;
(in 12 machines f) removed, regulator cubicle recovers.
As preferably, in described step (13), specifically comprise the steps:
(13 a) conveying worm action and hydraulic system debuggings;
(13 b) all pipeline debugging of centre revolving joint;
(13 c) on native bulkhead all mud that adds add water and foam line debugging.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The application has made the step of specification to the method that current double mode shield machine structure is EPB pattern by TBM patten transformation, farthest decrease the quantity of removing parts, providing by TBM patten transformation is the conversion efficiency of EPB pattern, reduce the labour intensity of workman, save construction cost, also a saving the duration.
Accompanying drawing explanation
Fig. 1 is the step block diagram of mode conversion method of the present invention;
Fig. 2 is the structural representation removing rear conveyor;
Fig. 3 is the structural representation of rear platform cleaning;
Fig. 4 is the structural representation installing conveying worm;
Fig. 5 is another structural representation installing conveying worm;
Fig. 6 has been the structural representation after patten transformation,
Mark in figure: 1-rear conveyor, 2-machine inner belt machine, 3-conveying worm, 4-rear area work platform, 5-platform for lining, 6-leads native chute, 7-Tu Cang, 8-scraper plate, 9-stirring rod, 10-cutterhead, 11-centre revolving joint, 12-distribution plate, 13-blocks releasing stirring rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in the figure, corresponding current double mode shield machine structure, adopts the method for the application, is that the concrete steps of EPB pattern are as follows by TBM patten transformation:
(1) rear conveyor 1 is removed:
(one a) in the wings the driven end of conveyor 1 structure and link respectively tangle with 2 groups of ring-chain hoists, cucurbit fixed end hangs on section of jurisdiction, and arranges battery truck below conveyor 1 in the wings;
(one b) cuts off conveyer belt, removes rear conveyor driven end supporting traverse;
(one c) driven end 2 cucurbits transfer simultaneously, driven end is put in battery truck;
(one d) removes the connection bearing pin of rear conveyor tilting section and horizontal segment;
(one e) link 2 cucurbits transfer simultaneously, rear conveyor entirety is put in battery truck;
(rear conveyor f) removed sends well head by battery truck, and by driving hanging out.
In step (), its objective is and clean out the dismounting passage of machine inner belt machine 2 and the installation passage of conveying worm 3.
Remove operation when carrying out, rear conveyor 1 just must not transfer has people to stay, and cucurbit operating personnel must not stand in operation on rear conveyor 1, must in tunnel manual operation cucurbit in safety zone, battery truck both sides;
(2) rear area work platform 4 is cleared up:
(two a) platform for lining remove;
(two b) assembling machine cable drum remove;
(two c) shield machine inner platform remove;
(two d) on the platform of rear all pipelines remove;
(two e) platform semi girder connecting cross beam remove;
(two f) in shield machine regulator cubicle remove.
In step (two), the object of cleaning rear area work platform 4 is the unimpeded safety with ensureing operating personnel for the transport and dismounting passage ensureing follow-up mode conversion associated components, step (two d) in, the pipeline of rear area work platform 4 is owing to having interference to the dismounting passage of shield machine inner belt machine 2 and the installation passage of conveying worm 3, therefore need first to remove, sign must be carried out at pipeline total interface place before dismounting, recover to facilitate the pipeline in patten transformation later stage
(3) machine inner belt machine 2 removes:
(three a) at the unearthed end of machine inner belt machine 2 with to enter the lifting of the soil each use of end 2 2t ring-chain hoists fixing, and arranges battery truck below machine inner belt machine 2;
(three b) remove the turnbuckle being unearthed and holding, and remove the connecting bolt into native bottom portion pivot flange;
(three c) end that is unearthed be lowered in battery truck by the operation simultaneously of 2 cucurbits;
(three d) battery truck move, that enters that soil end 2 cucurbits match with battery truck translational speed transfers, by machine inner belt machine 2 entirety from extracting out in machine and transferring in tunnel;
(three e) utilize section of jurisdiction to transport electric block on twin beams machine inner belt machine 2 Integral lifting to battery truck will send well head.
Machine inner belt machine 2 must be noted that when removing that cucurbit stable action is slow, avoids machine inner belt machine 2 acutely to rock the personnel that cause and injures and destroy drive motors water cooled housing;
(4) lead native chute 6 to remove: before removing connecting bolt, first must carry out fixation in native storehouse 7, and build interim installation personnel job platform in machine, and between platform and tunnel bottom, platform with slope is installed, convenient working personnel to pass in and out in shield machine and shift out passage as what lead native chute 6 and the follow-up scraper plate 8 from dismounting in native storehouse 7, native chute 6 is led in dismounting need relate to operation in native storehouse 7, in whole dismounting step, ensure the ventilation in storehouse, in storehouse, personnel can not long working, should substitute once for every 2 hours;
(5) scraper plate 8 removes: first carry out the fixation being removed scraper plate 8 before dismounting, prevents scraper plate 8 from dropping and hurts sb.'s feelings, and it is steadily slow that the scraper plate 8 after dismounting transports necessary safety action in process, prevents from rocking and hurt sb.'s feelings and destroy drive motors water cooled housing;
(6) stirring rod 9 is welded: the stirring rod 9 at cutterhead 10 back side is first cut by installation drawing in a pre-installation and cut installing hole at cutterhead back, and stirring rod 9 root is welded and fixed after inserting installing hole again;
(7) mounting center swivel coupling 11:
(seven a) remove distribution plate bolt hole press strip in native storehouse 7;
(seven b) install pipeline distribution plate 12 in storehouse, and before installing, it splits into two pieces, then handling is installed to native storehouse 7 respectively, need ensure that the pipe interface of disk body periphery and cutterhead 10 are turned round pipe interface pre-buried in leg and alignd during installation.
(seven c) install all kinds of flexible pipe in distribution plate 12;
(seven d) install shield machine inside spin machine import dividing plate;
(seven e) centre revolving joints 11 in fitting machine.
Step (seven a) in, the Main Function of bolt hole press strip is under TBM pattern, protect distribution plate erection bolt hole not filled in by soil, therefore installation distribution plate 12 before need to be pulled down;
(8) releasing stirring rod 13 of blocking is installed in native storehouse;
(9) conveying worm 3 is installed:
(nine a) in the wings platform semi girder are arranged the load-bearing door frame of garter coil conveyer 3;
(nine b) by battery truck by below conveying worm 3 whole Transporting to load-bearing door frame;
(nine c) are erected by bearing door and hang conveying worm 3, and battery truck shifts out shield machine;
(nine d) install auxiliary suspension centre and auxiliary cucurbit, and adjustment conveying worm 3 height, angle and horizontal level, make conveying worm 3 be positioned at design attitude;
(nine after e) conveying worm 3 position has adjusted, and installs connecting bolt, fixing conveying worm 3;
(10) platform recovers: in described step (ten), after conveying worm 3 installation, installs the platform for lining 5 under rear area work platform 4 and applicable EPB pattern;
(11) rear conveyor 1 resets: be again transported in tunnel by battery truck by rear conveyor 1, and installs fixing;
(12) pipeline circuit recovers:
(12 a) according to step, (two signs d) reconnect pipeline;
(12 all pipeline pipe arrangements b) on centre revolving joint 11 connect;
(12 all c) on native Cang7Bi add mud and to add water and foam line connects;
(12 d) conveying worm 3 all hydraulic pipeline connections;
(12 e) conveying worm 3 add mud add bubble pipeline connect;
(in 12 machines f) removed, regulator cubicle recovers;
(13) debug:
(13 a) conveying worm 3 action and hydraulic system debuggings;
(13 b) all pipeline debugging of centre revolving joint 11;
(13 c) on native Cang7Bi all mud that adds add water and foam line debugging.
Finally complete the conversion work that double mode shield machine TBM patten transformation is EPB pattern.
In the present embodiment, the step of specification has been made to the method that current double mode shield machine structure is EPB pattern by TBM patten transformation, farthest decrease the quantity of removing parts, providing by TBM patten transformation is the conversion efficiency of EPB pattern, reduce the labour intensity of workman, save construction cost, also a saving the duration.
All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
- The double mode shield machine mode conversion method of 1.TBM-EPB, is characterized in that, comprise the steps:(1) rear conveyor is removed;(2) rear area work platform cleaning;(3) machine inner belt machine removes;(4) lead native chute to remove;(5) scraper plate removes;(6) stirring rod welding;(7) mounting center swivel coupling;(8) in storehouse, releasing stirring rod of blocking is installed;(9) conveying worm is installed;(10) machine inner platform recovers;(11) rear conveyor resets;(12) pipeline circuit recovers;(13) debug.
- 2. mode conversion method according to claim 1, is characterized in that, in described step (), specifically comprises the steps:(one a) in the wings the driven end of conveyor structure and link respectively tangle with 2 groups of ring-chain hoists, cucurbit fixed end hangs on section of jurisdiction, and arranges battery truck below conveyor in the wings;(one b) cuts off conveyer belt, removes rear conveyor driven end supporting traverse;(one c) driven end 2 cucurbits transfer simultaneously, driven end is put in battery truck;(one d) removes the connection bearing pin of rear conveyor tilting section and horizontal segment;(one e) link 2 cucurbits transfer simultaneously, rear conveyor entirety is put in battery truck;(rear conveyor f) removed sends well head by battery truck, and by driving hanging out.
- 3. mode conversion method according to claim 2, is characterized in that, in described step (two), specifically comprises the steps:(two a) platform for lining remove;(two b) assembling machine cable drum remove;(two c) shield machine inner platform remove;(two d) on the platform of rear all pipelines remove;(two e) platform semi girder connecting cross beam remove;(two f) in shield machine regulator cubicle remove.
- 4. mode conversion method according to claim 1, is characterized in that, in described step (three), specifically comprises the steps:(three a) at the unearthed end of machine inner belt machine with to enter the lifting of the soil each use of end 2 2t ring-chain hoists fixing, and battery truck is set below machine inner belt machine;(three b) remove the turnbuckle being unearthed and holding, and remove the connecting bolt into native bottom portion pivot flange;(three c) end that is unearthed be lowered in battery truck by the operation simultaneously of 2 cucurbits;(three d) battery truck move, that enters that soil end 2 cucurbits match with battery truck translational speed transfers, by machine inner belt machine entirety from extracting out in machine and transferring in tunnel;(three e) utilize section of jurisdiction to transport electric block on twin beams machine inner belt machine Integral lifting to battery truck will send well head.
- 5. mode conversion method according to claim 4, it is characterized in that, in described step (five), the fixation being removed scraper plate is first carried out before dismounting, prevent from scraper plate from dropping to hurt sb.'s feelings, it is steadily slow that scraper plate after dismounting transports necessary safety action in process, prevents from rocking and hurt sb.'s feelings and destroy drive motors water cooled housing.
- 6. mode conversion method according to claim 5, is characterized in that, in described step (seven), specifically comprises the steps:(seven a) remove distribution plate bolt hole press strip in native storehouse;(seven b) install pipeline distribution plate in storehouse, and before installing, it splits into two pieces, then distinguish installation in handling to native storehouse, need ensure that the pipe interface of disk body periphery and cutterhead are turned round pipe interface pre-buried in leg and alignd during installation;(seven c) install all kinds of flexible pipe in distribution plate;(seven d) install shield machine inside spin machine import dividing plate;(seven e) centre revolving joints in fitting machine.
- 7. mode conversion method according to claim 6, is characterized in that, in described step (nine), specifically comprises the steps:(nine a) in the wings platform semi girder are arranged the load-bearing door frame of garter coil conveyer;(nine b) by battery truck by below conveying worm whole Transporting to load-bearing door frame;(nine c) are erected by bearing door and hang conveying worm, and battery truck shifts out shield machine;(nine d) install auxiliary suspension centre and auxiliary cucurbit, and adjustment conveying worm height, angle and horizontal level, make conveying worm be positioned at design attitude;(nine after e) conveying worm position has adjusted, and installs connecting bolt, fixing conveying worm.
- 8. mode conversion method according to claim 7, is characterized in that, in described step (ten), after conveying worm installation, installs the platform for lining under rear area work platform and applicable EPB pattern.
- 9. mode conversion method according to claim 8, is characterized in that, in described step (12), specifically comprises the steps:(12 a) according to step, (two signs d) reconnect pipeline;(12 all pipeline pipe arrangements b) on centre revolving joint connect;(12 all c) on native bulkhead add mud and to add water and foam line connects;(12 d) conveying worm all hydraulic pipeline connections;(12 e) conveying worm add mud add bubble pipeline connect;(in 12 machines f) removed, regulator cubicle recovers.
- 10. mode conversion method according to claim 9, is characterized in that, in described step (13), specifically comprises the steps:(13 a) conveying worm action and hydraulic system debuggings;(13 b) all pipeline debugging of centre revolving joint;(13 c) on native bulkhead all mud that adds add water and foam line debugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247576.2A CN104895576A (en) | 2015-05-15 | 2015-05-15 | TBM-EPB dual-mode shield tunneling machine mode conversion method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510247576.2A CN104895576A (en) | 2015-05-15 | 2015-05-15 | TBM-EPB dual-mode shield tunneling machine mode conversion method |
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| CN113217010A (en) * | 2021-04-23 | 2021-08-06 | 中铁工程装备集团有限公司 | Double-mode shield machine mode conversion construction method |
| CN115434720A (en) * | 2022-11-08 | 2022-12-06 | 中国建筑第五工程局有限公司 | Construction method for dismantling screw conveyor under pressure |
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| CN115434720A (en) * | 2022-11-08 | 2022-12-06 | 中国建筑第五工程局有限公司 | Construction method for dismantling screw conveyor under pressure |
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