CN101435332A - Construction method for in-situ turnaround of shield machine - Google Patents
Construction method for in-situ turnaround of shield machine Download PDFInfo
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- CN101435332A CN101435332A CNA200810204663XA CN200810204663A CN101435332A CN 101435332 A CN101435332 A CN 101435332A CN A200810204663X A CNA200810204663X A CN A200810204663XA CN 200810204663 A CN200810204663 A CN 200810204663A CN 101435332 A CN101435332 A CN 101435332A
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- shield machine
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- jack
- pedestal shelf
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Abstract
The invention discloses a constructing method for leading a shield machine to turn around and change fields in place, which is used for leading a shield machine in the cave of a well to turn around and move into an adjacent side wall. The method comprises the following steps: firstly, the shield machine which enters the cave is arranged on a base shelf and divided into a front section and a rear section, then the front section is translated to the adjacent side well, after that, the front section and the rear section rotate by 180 degrees and translate respectively in the side wall and the cave of the working well, and finally the rear section is also translated into the side wall, and the front and rear sections are spliced so as to restore the shield machine. The method has the advantages of simple construction and saving construction period, and is suitable for a large size shield machine, and especially the construction of a shield machine with a super large diameter of more than 11m.
Description
Technical field:
The present invention relates to the shield construction method in tunnel, particularly a kind of job practices that realizes in-situ turnaround of shield machine in active well belongs to construction engineering technical field.
Background technology:
In the Shield Tunneling process, finish the tunneling construction in a tunnel when shield machine after, sometimes need to reverse end for end so that begin the driving that second closes on the tunnel, common way is that shield machine is disintegrated earlier, lifts, and then the method for assembly unit, but this job practices needs large-scale lifting appliance, and spended time is longer, has the shortcoming of complex process, long construction period.
By prior art documents, do not find relevant the application or disclosed patent.
Summary of the invention:
Technical problem to be solved by this invention is to overcome problems of the prior art, a kind of job practices of in-situ turnaround of shield machine is provided, it does not need by large-scale lifting appliance, needn't dismantle Suporting structure, by shield machine is cut apart, the step of traversing, rotation, splicing realizes the tune displacement of shield machine in active well, thereby reaches the purpose of simplifying construction, reduction of erection time.
The present invention is achieved through the following technical solutions:
A kind of job practices of in-situ turnaround of shield machine, be used for to advance the shield machine tune of hole active well and moving in the adjacent side well, it is characterized in that: the shield machine that at first will enter the hole is placed on the pedestal shelf and with it and is divided into forward and backward two sections, then leading portion is moved in the adjacent side well, subsequently with forward and backward two sections respectively at the side well with advance to carry out in the active well of hole 180 ° of rotations and translation, at last back segment is also moved in the side well and splicing this forward and backward two sections to restore this shield machine.
The job practices of in-situ turnaround of shield machine of the present invention, the particular content of its construction sequence is as follows:
(1) mounting base shelf in advancing the hole active well, shield machine advances hole and seat and places on this pedestal shelf in the well that advances hole active well and adjacent side well and be paved with steel plate on the concrete base plate, steel work pedestal shelf is installed on the steel plate in advancing the hole active well, this pedestal shelf includes identical preceding mounting of structure and back mounting, this two mounting can be adjusted the gradient and around the vertical central axis rotation at center separately, the longitudinal grade of pedestal shelf is adjusted into 4.5%, and support by cradle and the borehole wall whole pedestal shelf is stabilized, then shield machine advance the hole and the seat place this pedestal shelf before, on the back mounting, remove borehole wall support and cradle and the pedestal shelf is declined to become level together with whole adjustment of shield machine, shield machine shell and interior arrangement thereof are welded location and reinforcing;
(2) cutting apart shield machine becomes forward and backward two sections also to make this forward and backward two sections disengagings with displacement jack pushing tow
Shield machine and internal part thereof are divided into forward and backward two sections being positioned at machine jack tail end place, its leading portion seat places on the described preceding mounting, the back segment seat places on the mounting of described back, makes this forward and backward two sections disengagings with the displacement jack pushing tow that is installed between the forward and backward mounting then;
(3) with the displacement jack with the leading portion of shield machine together with the pedestal shelf pushing tow transverse translation of below to adjacent side well
With the displacement jack of mounting between the borehole wall before being installed on the leading portion of shield machine preceding mounting pushing tow together with the pedestal shelf of below, make it transverse translation to adjacent side well, and before longitudinal translation makes again the centre mount of mounting close in side well well concrete base plate in the heart, with being installed on the back displacement jack of mounting between the borehole wall with the back segment of shield machine back mounting pushing tow together with the pedestal shelf of below, the centre mount that makes it to be translated in the longitudinal direction to the back mounting close in advancing hole active well well concrete base plate in the heart;
(4) by turning to the pushing tow of jack, the front and rear sections of described shield machine together with the pedestal shelf of below respectively at the side well with advance to carry out 180 ° of rotations in the active well of hole
Install respectively at four jiaos of forward and backward mounting places and to turn to jack and counter-force seat, by turning to the pushing tow of jack pair counter-force seat, the front and rear sections of described shield machine is together with the forward and backward mounting of the pedestal shelf of below, respectively at the side well with advance that the vertical central axis around forward and backward mounting center carries out 180 ° of rotations separately in the active well of hole;
(5) with the displacement jack with the pedestal shelf pushing tow translation forward in the side well of the leading portion of shield machine together with the below, with the displacement jack with the pedestal shelf pushing tow translation forward in advancing the hole active well of the back segment of shield machine together with the below
With the displacement jack of mounting between the borehole wall before being installed on the leading portion of shield machine preceding mounting pushing tow together with the pedestal shelf of below, make it in the side well along appearing direction translation forward, with being installed on the back displacement jack of mounting between the borehole wall, make it in advancing the hole active well along advancing the translation forward of hole direction with the back segment of shield machine back mounting pushing tow together with the pedestal shelf of below;
(6) with the displacement jack with the back segment of shield machine pedestal shelf pushing tow together with the below, make it transverse translation to described side well
With being installed on the back displacement jack of mounting between the borehole wall, make it the dead astern of transverse translation leading portion of shield structure to the described side well with the back segment of shield machine back mounting pushing tow together with the pedestal shelf of below;
(7) to piece together and weld described forward and backward two sections to restore this shield machine
With the displacement jack of mounting between the borehole wall before being installed on the leading portion of shield machine is drawn close piecing together together with the preceding mounting pushing tow of the pedestal shelf of below and to the back segment of shield machine, then shield machine forward and backward two sections and internal part are welded to restore this shield machine.
The pedestal shelf of the job practices of in-situ turnaround of shield machine of the present invention includes identical preceding mounting of structure and back mounting, before being somebody's turn to do, back mounting comprises some truss structures separately, sliding support, connecting rod, guide rail and shaft device, described some truss structures laterally are arranged in parallel, every truss structure is made of the crossbeam of the level column vertical with two ends, its top is the supporting part of spill, be provided with the jacking jack in this column, described sliding support is arranged at the crossbeam below of each truss structure equably, its bottom is the slide block with anti-attrition performance, described connecting rod comprises vertical connecting rod and oblique connecting rod, it longitudinally should be connected and fixed by some truss structures with oblique respectively, described guide rail longitudinally fixedly is layed on the supporting part of these some truss structures, the bottom at mounting and mounting center, back before described shaft device lays respectively at, it can support whole mounting and horizontally rotate around this shaft device.
Compared with prior art, the job practices of in-situ turnaround of shield machine of the present invention has adopted directly cuts apart shield machine, and by pedestal shelf and jack with it translation rotation, translation, and then splicing restores the method for shield machine, realized the pivot turn displacement of shield machine in active well.This job practices does not need needn't dismantle Suporting structure by large-scale lifting appliance, thereby has the advantage that construction is simple, save the duration.
Description of drawings:
Fig. 1 is construction process figure of the present invention.
Fig. 2 is the structure elevational schematic view of pedestal shelf of the present invention.
Fig. 3 is the structural plan schematic diagram of pedestal shelf of the present invention.
Fig. 4 is the partial structurtes schematic diagram of pedestal shelf of the present invention.
Fig. 5 is one of foundation pit construction state diagram of the present invention.
Fig. 6 is two of foundation pit construction state diagram of the present invention.
Fig. 7 is three of foundation pit construction state diagram of the present invention.
Fig. 8 is four of foundation pit construction state diagram of the present invention.
Fig. 9 is five of foundation pit construction state diagram of the present invention.
Figure 10 is six of foundation pit construction state diagram of the present invention.
Figure 11 is seven of foundation pit construction state diagram of the present invention.
Among the figure,
Hole active well 1 ' expression side well is advanced in 1 expression
Dong Dongquan 2 ' expression hole the circle of appearing is advanced in 2 expressions
3 expression shield machines, 4 expression shield machine back segments
Jack 6 expression shield machine leading portions 7 expression pedestal shelves in the 5 expression machines
8 expression truss, 81 expression crossbeams, 82 expression columns
Oblique connecting rod 11 expressions of vertical connecting rod 10 expressions of 9 expressions turn to jack
12 expression counter-force seats, 13 expression jacking jack, 14 expression shaft devices
15 expression guide rails, 16 expression sliding supports
The specific embodiment:
Below in conjunction with specific embodiments and the drawings the present invention is described in further detail.
Present embodiment has adopted technical scheme of the present invention to construct, and it has provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
With certain shield tunnel construction engineering is example, and this project adopts the construction of diameter phi 14.87m muddy water and air balance shield, belongs to ultra-large type shield structure.Shield structure main frame always weighs 1900 tons, and length is 12.65 meters, and its center of gravity is at 4.3 meters of distance cutterhead otch.See also Fig. 5, shield machine 3 has been finished the driving in a tunnel, will enter into hole active well 1 by advancing Dong Dongquan 2, and prepares the tune transition to adjacent side well 1 ' so that pass the hole circle 2 of appearing ' the carry out driving in another tunnel.If by traditional form of construction work adopt to shield machine disintegrate earlier, lifting, and then the method for assembly unit, then long in time limit, cost is high, and complex process.
This project has adopted the job practices of in-situ turnaround of shield machine of the present invention, the shield machine 3 that at first will enter the hole is placed on the pedestal shelf and with it and is divided into forward and backward two sections, then leading portion is moved to adjacent side well 1 ' in, subsequently with forward and backward two sections respectively side well 1 ' and advance to carry out in the hole active well 1 180 ° the rotation and translation, at last back segment is also moved to side well 1 ' in and the splicing this forward and backward two sections to restore this shield machine 3.
Now 1 construction process figure of the present invention is described as follows the particular content of each construction sequence of this project construction overall process in conjunction with the accompanying drawings:
(1) mounting base shelf in advancing the hole active well, shield machine enter the hole and seat places on this pedestal shelf.
This step is the preparation that all constructions are done before, and it follows these steps to carry out:
1. advance hole active well 1 and adjacent side well 1 ' well in be paved with on the concrete base plate the thick steel plate of 16mm as slide surface reducing sliding friction, between the steel plate by being welded to connect and weld grinding is level and smooth; Steel plate should contact with the concrete base plate reliably during laying, and for preventing the steel plate displacement or arch upward, planned sliding trajectory line not influencing under the prerequisite that shield machine 3 moves, is connected and fixed steel plate and concrete face by expansion bolt.
2. the steel work pedestal shelf that is used to settle shield machine 3 is installed on the steel plate in advancing hole active well 1.Please in conjunction with consulting Fig. 2 and Fig. 3, this pedestal shelf 7 is pre-processed according to design, and the axis that will make pedestal shelf 7 during installation is with to advance the axis that active well 1 interior shield machine 3 in hole enters the hole consistent, promptly consistent with the axis that advances Dong Dongquan 2.
This pedestal shelf 7 includes identical preceding mounting of structure and back mounting, and this forward and backward mounting can adjust the gradient and around the vertical central axis rotation at center separately, it comprises some truss structures 8, sliding support 16, connecting rod, guide rail 15 and shaft device 14 separately.Described some truss structures 8 are laterally arranged in parallel to each other, and every truss structure 8 is made of the crossbeam 81 of the level column 82 vertical with two ends, and its top is that the supporting part of spill is in order to support shield machine 3; See also Fig. 4 again, be provided with jacking jack 13 in this column 82 in order to adjust the gradient of pedestal shelf 7, the layout of this jacking jack 13 is carried out as required, and its specification is 100 tons-200 tons.Described sliding support 16 is a kind of built-in oil cylinders, can regulates the existing maturing appts of height automatically, in order to supporting base shelf 7 and top shield machine 3 slippage on the steel plate of shaft bottom thereof, the slide block with anti-attrition performance that make for the anti-attrition macromolecular material its bottom, this pedestal shelf 7 are provided with a plurality of sliding supports 16 and are distributed in crossbeam 81 belows of each truss structure 8 equably.Described connecting rod comprises vertical connecting rod 9 and oblique connecting rod 10, and it longitudinally should be connected and fixed by some truss structures 8 with oblique respectively.The quantity of described guide rail 15 is 2-4, is made by square steel, and it longitudinally fixedly is layed on the supporting part of these some truss structures 8, so that the directly soffit contact with it when going into slippage of 3 of shield machines.The bottom at mounting and mounting center, back before described shaft device 14 lays respectively at, the axle center when forming the rotation of shield machine 3 and mounting, it supports whole mounting and horizontally rotates around this shaft device 14, and can prevent deflection and reduce driving torque.
3. with jacking jack 13 longitudinal grade of pedestal shelf 7 is adjusted into 4.5%, be encased inside cradle 7 times at the pedestal shelf subsequently, and support the whole pedestal shelf 7 and the borehole wall all around supported by the borehole wall and stabilize, 3 of shield machines are gone into when producing 400 tons of slippage thrusts on the guide rail 15 of pedestal shelf 7, and whole support system can satisfy firm requirement.
See also Fig. 5 again, after shield machine 3 is finished the soil body and is entered into Dong Dongquan 2, top power by jack 5 in self machine slowly moves, and seat is gone on the guide rail 15 of pedestal shelf 7 and to arrive design attitude in place gradually, and the front and back section of shield machine 3 seat respectively places on the forward and backward mounting of this pedestal shelf 7.
Remove the borehole wall and support and cradle, and shield machine 3 is declined to become level together with 3 whole adjustment of the shield machine on it, in jacking with downgrade and to control the steady of shield machine 3 and pedestal shelf 7 in the process all the time well by jacking jack 13.
4. to damage or distortion in order preventing to move to cause, shield machine 3 casings and inner device thereof to be welded the location and reinforce for shield machine 3.Assembling machine in the shield machine 3 is positioned be welded supporting and firm support in the shield housing, connect support between translation beam, indeformable to guarantee translation beam, the translation beam spacing does not change relatively; Simultaneously shield machine 3 shield tail housings are carried out two road hoops and a plurality of bearing support is welded, to reach rigidity and reinforce, prevent the purpose of its circularity distortion.
(2) cutting apart shield machine becomes forward and backward two sections also to make this forward and backward two sections disengagings with displacement jack pushing tow.
After preparation is finished, add gas cutting at the tail end place that is arranged in shield machine 3 machine jack 5 (Fig. 5 A-A) with gouge shield machine 3 and internal part (comprising the assembling machine translation beam) thereof are divided into forward and backward two section 6 and 4, see also Fig. 6,6 of its leading portions place on the described preceding mounting, and 4 of back segments place on the mounting of described back.Then the displacement jack is installed between preceding mounting and the back mounting and the slow about 1.4m stroke of pushing tow, makes this forward and backward two section 6 and 4 disengagings, shield machine 3 shell tails are cut apart the spacing of the boots plate emaciated face of jack 5 borders in end ring face and the machine from about 0.15m.
(3) with the displacement jack with the leading portion of shield machine together with the pedestal shelf pushing tow transverse translation of below to adjacent side well.
(actual each oil cylinder jacking force is 43 tons with 4 100 tons oil pressure displacement jack, the design friction factor calculates by 0.1) be installed on preceding mounting and advance between the borehole wall of hole active well 1, the pushing tow support that utilizes borehole wall side wall or be welded on the steel plate of bottom surface is counter-force back, with the leading portion 6 of shield machine 3 preceding mounting pushing tow together with the pedestal shelf 7 of below, see also Fig. 7, according to predetermined sliding trajectory circuit (among the figure shown in the arrow), make it by advance hole active well 1 transverse translation to adjacent side well 1 ' in, and more vertically towards the hole circle 2 of appearing ' the translation of portal direction, before making the centre mount of mounting close in side well 1 ' well concrete base plate in the heart.
Move jack (actual thrust is 10 tons) with 4 50 tonnages that are installed on the back mounting and advance between hole active well 1 borehole wall then, with the back segment 4 of shield machine 3 back mounting pushing tow together with the pedestal shelf 7 of below, make it longitudinal translation, until the centre mount of back mounting put coincide with concrete base plate in hole active well 1 well in the heart.
(4) by turning to the pushing tow of jack, the front and rear sections of described shield machine together with the pedestal shelf of below respectively at the side well with advance to carry out 180 ° of rotations in the active well of hole.
Please in conjunction with consulting Fig. 3 and Fig. 8, respectively install one at four jiaos of places of preceding mounting and back mounting respectively and turn to jack 11, fixed installation one counter-force seat 12 on the steel plate of the concrete base plate of its rotational trajectory relative position, every turns to the two ends of jack 11 to connect with pedestal shelf 7, counter-force seat 12 respectively, point of attachment all has the active hinge of dimorphism U type, and every turns to the jacking force of jack 11 is 50 tons.
By turning to the pushing tow of 11 pairs of counter-force seats 12 of jack, the front and rear sections 6 of described shield machine 3 and the 4 forward and backward mountings together with the pedestal shelf 7 of below are respectively at side well 1 ' and advance in the hole active well 1 vertical central axis around forward and backward mounting center and carry out 180 ° of rotations (see among Fig. 8 shown in the arrow) separately.4 turn to jack 11 to move simultaneously during rotation, and rotary arm is 5.725m, and as calculated, 4 turn to jack 11 can satisfy the rotary power needs fully.The mounting of whole pedestal shelf 7 rotates on shaft device 14 during rotation, to guarantee whole rotary course mounting and top front and rear sections 6 and 4 non-migration centers thereof.
Whole rotary course divides the several times stage of pursuing to carry out, turn to jack 11 top journeys only can make whole mounting rotate 5～10 ° at every turn, after revolution moves once, promptly need the counter-force seat 12 that is welded again, carry out the pushing tow of next stage again, going round and beginning again turns to tune to finish shield machine 3 leading portions 6 and back segment 4 180 °.
(5) with the displacement jack with the pedestal shelf pushing tow translation forward in the side well of the leading portion of shield machine together with the below, with the displacement jack with the pedestal shelf pushing tow translation forward in advancing the hole active well of the back segment of shield machine together with the below.
See also Fig. 9 again, after the leading portion 6 of shield machine 3 and back segment 4 are finished and are turned to tune, with the displacement jack of mounting between side well 1 ' borehole wall before being installed on the leading portion 6 of shield machine 3 preceding mounting pushing tow together with the pedestal shelf 7 of below, direction translation forward makes it to appear on side well 1 ' interior edge, promptly to the hole circle 2 of appearing ' the direction translation, and the axis that makes leading portion 6 and this hole of appearing enclose 2 ' dead in line.
Similarly, with being installed on the back mounting with advancing displacement jack between hole active well 1 borehole wall with the back segment 4 of shield machine 3 back mounting pushing tow together with the pedestal shelf 7 of below, make it in advancing hole active well 1 along advancing the translation forward of hole direction, promptly to the direction translation of advancing Dong Dongquan 2.
(6) with the displacement jack with the back segment of shield machine pedestal shelf pushing tow together with the below, make it transverse translation to described side well.
Then with being installed on back mounting 4 with advancing displacement jack between hole active well 1 borehole wall with the back segment 4 of shield machine 3 back mounting pushing tow together with the pedestal shelf 7 of below, make it transverse translation to described side well 1 ' in, and be positioned at the dead astern of the leading portion 6 of shield machine 3, make the axis of back segment 4 and the dead in line of leading portion 6 equally, also promptly with side well 1 ' appear hole circle 2 ' dead in line, state can be consulted Figure 10.
(7) to piece together and weld described forward and backward two sections to restore this shield machine.
Elder generation is the final installation site of back segment 4 fixedly, with the displacement jack of mounting between side well 1 ' borehole wall before being installed on the leading portion 6 of shield machine 3 is drawn close together with the preceding mounting pushing tow of the pedestal shelf 7 of below and to the back segment 4 of shield machine 3 then, make circumferential weld gap equalization between two sections shield machine 3 casings, several positioners are all aimed at eyelet after moving by the trace accent, are put on bearing pin on housing and the assembling machine translation beam, reach and close up the butt joint requirement, thereby shield machine 3 is realized on former divisional plane A-A piecing together; Housing, translation beam and forward and backward mounting to front and rear sections 6 and 4 welds subsequently, and the reply bevel for welding digs and cuts, polishes before the weldering, reaches the weld strength requirement, thereby restores this shield machine 3.
After shield machine 3 restores, promptly carry out jacking with 13 pairs of whole pedestal shelves 7 of jacking jack and shield machine 3, is-4.5% with it from the level supertronic, be encased inside cradle in pedestal shelf 7 bottoms then, and support whole pedestal shelf 7 with side well 1 ' borehole wall supports and stabilizes, thereby make shield machine 3 finish translation, turn to and be located in the original position of next step driving of appearing all around by the borehole wall.
Claims (4)
1, a kind of job practices of in-situ turnaround of shield machine, be used for to advance the shield machine tune of hole active well and moving in the adjacent side well, it is characterized in that: the shield machine that at first will enter the hole is placed on the pedestal shelf and with it and is divided into forward and backward two sections, then leading portion is moved in the adjacent side well, subsequently with forward and backward two sections respectively at the side well with advance to carry out in the active well of hole 180 ° of rotations and translation, at last back segment is also moved in the side well and splicing this forward and backward two sections to restore this shield machine.
2, the job practices of in-situ turnaround of shield machine according to claim 1 is characterized in that: the construction sequence of described job practices is as follows:
(1) mounting base shelf in advancing the hole active well, shield machine enter the hole and seat places on this pedestal shelf;
(2) cutting apart shield machine becomes forward and backward two sections also to make this forward and backward two sections disengagings with displacement jack pushing tow;
(3) with the displacement jack with the leading portion of shield machine together with the pedestal shelf pushing tow transverse translation of below to adjacent side well;
(4) by turning to the pushing tow of jack, the front and rear sections of described shield machine together with the pedestal shelf of below respectively at the side well with advance to carry out 180 ° of rotations in the active well of hole;
(5) with the displacement jack with the pedestal shelf pushing tow translation forward in the side well of the leading portion of shield machine together with the below, with the displacement jack with the pedestal shelf pushing tow translation forward in advancing the hole active well of the back segment of shield machine together with the below;
(6) with the displacement jack with the back segment of shield machine pedestal shelf pushing tow together with the below, make it transverse translation to described side well;
(7) to piece together and weld described forward and backward two sections to restore this shield machine.
3, the job practices of in-situ turnaround of shield machine according to claim 2 is characterized in that: the particular content of described each construction sequence of job practices is as follows:
Step (1)-
In the well that advances hole active well and adjacent side well, be paved with steel plate on the concrete base plate, steel work pedestal shelf is installed on the steel plate in advancing the hole active well, this pedestal shelf includes identical preceding mounting of structure and back mounting, this two mounting can be adjusted the gradient and around the vertical central axis rotation at center separately, the longitudinal grade of pedestal shelf is adjusted into 4.5%, and support by cradle and the borehole wall whole pedestal shelf is stabilized, then shield machine advance the hole and the seat place this pedestal shelf before, on the back mounting, remove borehole wall support and become level together with the whole supertronic of shield machine, shield machine shell and interior arrangement thereof are welded location and reinforcing with cradle and with the pedestal shelf;
Step (2)-
Shield machine and internal part thereof are divided into forward and backward two sections being positioned at machine jack tail end place, its leading portion seat places on the described preceding mounting, the back segment seat places on the mounting of described back, makes this forward and backward two sections disengagings with the displacement jack pushing tow that is installed between the forward and backward mounting then;
Step (3)-
With the displacement jack of mounting between the borehole wall before being installed on the leading portion of shield machine preceding mounting pushing tow together with the pedestal shelf of below, make it transverse translation to adjacent side well, and before longitudinal translation makes again the centre mount of mounting close in side well well concrete base plate in the heart, with being installed on the back displacement jack of mounting between the borehole wall with the back segment of shield machine back mounting pushing tow together with the pedestal shelf of below, the centre mount that makes it to be translated in the longitudinal direction to the back mounting close in advancing hole active well well concrete base plate in the heart;
Step (4)-
Install respectively at four jiaos of forward and backward mounting places and to turn to jack and counter-force seat, by turning to the pushing tow of jack pair counter-force seat, the front and rear sections of described shield machine is together with the forward and backward mounting of the pedestal shelf of below, respectively at the side well with advance that the vertical central axis around forward and backward mounting center carries out 180 ° of rotations separately in the active well of hole;
Step (5)-
With the displacement jack of mounting between the borehole wall before being installed on the leading portion of shield machine preceding mounting pushing tow together with the pedestal shelf of below, make it in the side well along appearing direction translation forward, with being installed on the back displacement jack of mounting between the borehole wall, make it in advancing the hole active well along advancing the translation forward of hole direction with the back segment of shield machine back mounting pushing tow together with the pedestal shelf of below;
Step (6)-
With being installed on the back displacement jack of mounting between the borehole wall, make it the dead astern of transverse translation leading portion of shield structure to the described side well with the back segment of shield machine back mounting pushing tow together with the pedestal shelf of below;
Step (7)-
With the displacement jack of mounting between the borehole wall before being installed on the leading portion of shield machine is drawn close piecing together together with the preceding mounting pushing tow of the pedestal shelf of below and to the back segment of shield machine, then shield machine forward and backward two sections and internal part are welded to restore this shield machine.
4, according to claim 1, the job practices of 2 or 3 described in-situ turnaround of shield machine, it is characterized in that: described pedestal shelf includes identical preceding mounting of structure and back mounting, before being somebody's turn to do, back mounting comprises some truss structures separately, sliding support, connecting rod, guide rail and shaft device, described some truss structures laterally are arranged in parallel, every truss structure is made of the crossbeam of the level column vertical with two ends, its top is the supporting part of spill, be provided with the jacking jack in this column, described sliding support is arranged at the crossbeam below of each truss structure equably, its bottom is the slide block with anti-attrition performance, described connecting rod comprises vertical connecting rod and oblique connecting rod, it longitudinally should be connected and fixed by some truss structures with oblique respectively, described guide rail longitudinally fixedly is layed on the supporting part of these some truss structures, the bottom at mounting and mounting center, back before described shaft device lays respectively at, it can support whole mounting and horizontally rotate around this shaft device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810204663XA CN101435332A (en) | 2008-12-16 | 2008-12-16 | Construction method for in-situ turnaround of shield machine |
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| CNA200810204663XA CN101435332A (en) | 2008-12-16 | 2008-12-16 | Construction method for in-situ turnaround of shield machine |
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| CN101435332A true CN101435332A (en) | 2009-05-20 |
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| CNA200810204663XA Pending CN101435332A (en) | 2008-12-16 | 2008-12-16 | Construction method for in-situ turnaround of shield machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102102523A (en) * | 2009-12-18 | 2011-06-22 | 上海市机械施工有限公司 | Subway shield translation method |
| CN102242632A (en) * | 2011-07-12 | 2011-11-16 | 广州轨道交通建设监理有限公司 | System and method for walking type shield structure translation to transit |
| CN102400690A (en) * | 2011-12-26 | 2012-04-04 | 中铁四局集团有限公司 | Shield machine jacking and turning method in shield method construction subway tunnel |
| CN102425424A (en) * | 2011-12-26 | 2012-04-25 | 中铁四局集团有限公司 | Pushing system for pushing and turning construction of shield tunneling machine in subway tunnel |
| CN104314578A (en) * | 2014-08-27 | 2015-01-28 | 北京市轨道交通建设管理有限公司 | Construction method for continuous construction by using shield construction machine and matched station thereof |
| CN109519177A (en) * | 2018-10-17 | 2019-03-26 | 中国路桥工程有限责任公司 | The construction method that shield machine is received and turned is completed with shield seal sleeve |
| CN113338964A (en) * | 2021-07-20 | 2021-09-03 | 中煤第五建设有限公司 | Method for transition of tunnel TBM |
| CN114607396A (en) * | 2022-03-18 | 2022-06-10 | 中铁二局集团有限公司 | Shield or TBM in-situ rotation and translation jacking system and construction method |
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- 2008-12-16 CN CNA200810204663XA patent/CN101435332A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102523A (en) * | 2009-12-18 | 2011-06-22 | 上海市机械施工有限公司 | Subway shield translation method |
| CN102242632A (en) * | 2011-07-12 | 2011-11-16 | 广州轨道交通建设监理有限公司 | System and method for walking type shield structure translation to transit |
| CN102400690A (en) * | 2011-12-26 | 2012-04-04 | 中铁四局集团有限公司 | Shield machine jacking and turning method in shield method construction subway tunnel |
| CN102425424A (en) * | 2011-12-26 | 2012-04-25 | 中铁四局集团有限公司 | Pushing system for pushing and turning construction of shield tunneling machine in subway tunnel |
| CN102400690B (en) * | 2011-12-26 | 2013-08-28 | 中铁四局集团有限公司 | Shield machine jacking and turning method in shield method construction subway tunnel |
| CN104314578A (en) * | 2014-08-27 | 2015-01-28 | 北京市轨道交通建设管理有限公司 | Construction method for continuous construction by using shield construction machine and matched station thereof |
| CN109519177A (en) * | 2018-10-17 | 2019-03-26 | 中国路桥工程有限责任公司 | The construction method that shield machine is received and turned is completed with shield seal sleeve |
| CN113338964A (en) * | 2021-07-20 | 2021-09-03 | 中煤第五建设有限公司 | Method for transition of tunnel TBM |
| CN114607396A (en) * | 2022-03-18 | 2022-06-10 | 中铁二局集团有限公司 | Shield or TBM in-situ rotation and translation jacking system and construction method |
| CN114607396B (en) * | 2022-03-18 | 2024-03-08 | 中铁二局集团有限公司 | Shield or TBM in-situ rotation and translation jacking system and construction method |
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Open date: 20090520 |