CN102400690A - Shield machine jacking and turning method in shield method construction subway tunnel - Google Patents
Shield machine jacking and turning method in shield method construction subway tunnel Download PDFInfo
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- CN102400690A CN102400690A CN2011104434294A CN201110443429A CN102400690A CN 102400690 A CN102400690 A CN 102400690A CN 2011104434294 A CN2011104434294 A CN 2011104434294A CN 201110443429 A CN201110443429 A CN 201110443429A CN 102400690 A CN102400690 A CN 102400690A
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005641 tunneling Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 54
- 239000010959 steel Substances 0.000 claims description 54
- 239000004576 sand Substances 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The invention discloses a shield machine jacking and turning method in a shield method construction subway tunnel, which is characterized in that a bottom plate cushion layer is arranged in an end well to cover an upturned beam, and a shield machine receiving frame receiving shield machine is arranged at a receiving tunnel portal in the end well; and a pushing mechanism is arranged, pushing hydraulic oil cylinders are arranged on two sides of the receiving frame of the shield machine, and the shield machine is rotated to finish turning construction by utilizing the pushing hydraulic oil cylinders through the receiving frame of the shield machine. The method can ensure that the shield tunneling machine is quickly and safely turned around under the condition of limited site.
Description
Technical field
The present invention relates to shield machine turning method in a kind of shield construction subway tunnel.
Background technology
Constantly increase along with the raising of urban compact degree and city block up, space capable of using, ground is fewer and feweri, and shield construction subway tunnel technology is fast-developing, and traditional shield machine turning method is to adopt hoist engine, provides pulling force directly to reverse end for end by hoist engine.But under some occasions, can't directly carry out shield machine tune operation through hoist engine owing to receive the restriction in place.Such as; No. 3 line Hua Yuanzhan of Tianjin Underground～Wang Dingdi station running tunnel engineering initiating terminal is at Hua Yuanzhan, and shield structure received well is stood at Wang Dingdi, adopts a single circle shield machine to start from the Hua Yuanzhan starting well and tunnels right line; After arriving west, dike station, king top end well, left line driving is carried out in the shield machine tune.Western termination is underground two-layer structure because Wang Dingdi stands, the nearly 200m of station length overall.About 23m * the 14m of headroom in the about 19.5m of the well depth of shield machine end well, well, end well all has preformed hole at middle plate and base plate, and preformed hole is of a size of 5m * 7m, and the preformed hole peripheral structure all is provided with the reinforcing bar connector, does not have and gets rid of muscle; The shaft bottom plate have twice 200mm on turn over beam, heavily about 300 tons of shield machine head, screw machine, assembling machine and acceptance frame can't utilize conventional equipments such as hoist engine, disc type bearing to carry out shield machine tune construction according to existing method.The not only required construction area area of mode of traditional use hoist engine tune is big, and there is suitable potential safety hazard in hoist engine when for 300 tons the shield machine of weighing pulling force being provided.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, shield machine pushing tow tune method in a kind of shield construction subway tunnel being provided, to guarantee under the limited situation in place, can reverse end for end quickly and safely construction.
The present invention adopts following technical scheme for the technical solution problem:
The characteristics of shield machine pushing tow tune method are by following process construction in the shield construction subway tunnel of the present invention:
A, the base plate bed course is set in end well makes and turn over beam and be capped, said base plate bed course is to form underlayer by the auxilliary pad of rubble, establishes medium coarse sand and forms bed course assisting on the underlayer; Lay the steel plate layer on said on the bed course, with the steel plate layer as the shield machine carrier;
B, in end well, be positioned at receive the portal place, the shield machine tunneling direction is provided with the shield machine acceptance frame in steel plate layer upper edge, receives shield machine by the shield machine acceptance frame, remove shield machine and be connected with each pipeline between chassis; One top-pushing mechanism is set, and is in the both sides of said shield machine acceptance frame the pushing tow hydraulic jack to be set, and the pushing tow reaction frame is fixedly installed on the steel plate layer; Utilize the pushing tow hydraulic jack shield machine to be moved to the end well middle part on the steel plate layer through the shield machine acceptance frame;
C, be positioned at and receive the portal place and extend along the shield machine tunneling direction and to opposite side the first road shape steel bracket is installed; Be positioned at the portal place that starts and extend, the second road shape steel bracket is installed along the tune line direction and to opposite side; The chassis that respectively saves that is arranged in current circuit at first gets into the first road shape steel bracket; Begin to lift successively from the minor details chassis by crane then and respectively save chassis; Make and respectively save chassis successively behind the Rotate 180 degree; Be placed on the second road shape steel bracket; And withdraw to extending on the second outside road shape steel bracket of end well, remove the first road shape steel bracket and the second road shape steel bracket that is positioned at end well subsequently;
D, utilize the collaborative pushing tow of each pushing tow hydraulic jack, and, make shield machine turning anticlockwise to 180 degree through the shield machine acceptance frame;
E, utilize pushing tow hydraulic jack and the shield machine translation is arrived start the portal position once more through the shield machine acceptance frame, between shield machine and adjacent chassis, carry out subsequently pipeline is connected with front and back along connecing installation, the worker is reversed end for end in completion.
Compared with present technology, beneficial effect of the present invention is embodied in:
1, the present invention is provided with the hydraulic pushing system, constantly adjusts pushing tow position and pushing tow amount, realizes the translation and the revolution of shield machine, accomplishes shield machine tune construction operation, and whole construction course safety, quick, efficient is strong for construction plant compliance.
2, the present invention is through being provided with the base plate bed course that is made up of rubble, medium coarse sand and steel plate layer in end well; Turn over the influence of beam on not only having solved for the tune construction; And in the pushing tow process; The counter-force of pushing tow is converted into the steel plate layer and through rolling the friction between the last bed course that is made up of medium coarse sand, the frictional force on steel plate layer and the medium coarse sand between the bed course carries out pushing tow much larger than the frictional force between steel plate layer and the shield machine acceptance frame smoothly.
Description of drawings
Fig. 1 is pushing tow tune flow chart of the present invention;
Fig. 2 is shaft bottom, termination plate bed course sketch map among the present invention;
Fig. 3 is shield machine acceptance frame structural representation among the present invention;
Fig. 4 is top-pushing mechanism structural representation among the present invention;
Label among the figure: 1 underlayer; Bed course on 2; 3 steel plate layers; 4 shield machines; 5 shield machine acceptance frames; 5a rectangular-shaped frame frame; The 5b steel sole plate; The 5c bracket; 6 pushing tow hydraulic jacks; 7 pushing tow reaction frames; The 7a force transmission rack; 8 end wells; 9 receive portal; 10 portals that start; 11 first road shape steel brackets; 12 second road shape steel brackets; 13 chassis.
The specific embodiment
In the present embodiment in the shield construction subway tunnel shield machine pushing tow tune method be to be undertaken by following process:
1, referring to Fig. 2, the base plate bed course is set in end well 8 makes and turn over beam and be capped, the base plate bed course is to form underlayer 1 by the auxilliary pad of rubble, establishes medium coarse sand and forms bed course 2 assisting on the underlayer 1; On last bed course 2, lay steel plate layer 3, with steel plate layer 3 as the shield machine carrier.
2, in end well 8, be positioned at and receive portal 9 places, the shield machine acceptance frame be set, receive shield machine (shown in Fig. 1-1), remove shield machine and be connected with each pipeline between chassis by the shield machine acceptance frame in steel plate layer 3 upper edge shield machine tunneling direction direction; One top-pushing mechanism is set, and is in the both sides of shield machine acceptance frame 5 pushing tow hydraulic jack 6 to be set, and pushing tow reaction frame 7 is fixedly installed on the steel plate layer 3; Utilize the pushing tow hydraulic jack shield machine to be moved to the middle part (shown in Fig. 1-2) of end well 8 through the shield machine acceptance frame on the steel plate layer.
3, be positioned at reception portal 9 places and extend the installation first road shape steel bracket 11 (shown in Fig. 1-3) along the shield machine tunneling direction and to opposite side; Be positioned at the portal place that starts and extend, the second road shape steel bracket 12 (shown in Fig. 1-3) is installed along the tune line direction and to opposite side; The chassis 13 that respectively saves that is arranged in current circuit at first gets into the first road shape steel bracket 11 (shown in Fig. 1-4); Begin to lift successively from the minor details chassis by crane then and respectively save chassis; Make and respectively save chassis successively behind the Rotate 180 degree; Be placed on (shown in Fig. 1-5) on the second road shape steel bracket 12; And withdraw to extending on the second outside road shape steel bracket 12 of end well, remove the first road shape steel bracket 11 and the second road shape steel bracket (shown in Fig. 1-6) that is positioned at end well subsequently.
4, utilize the collaborative pushing tow of each pushing tow hydraulic jack, and, make shield machine turning anticlockwise to 180 degree (shown in Fig. 1-7, Fig. 1-8, Fig. 1-9 and Fig. 1-10) through the shield machine acceptance frame.
5, utilize pushing tow hydraulic jack and the shield machine translation is arrived start portal position (shown in Fig. 1-11) once more through the shield machine acceptance frame, between shield machine and adjacent chassis, carry out subsequently pipeline is connected with front and back along connecing installation (shown in Fig. 1-12), completion is constructed.
In the practical implementation, the corresponding structure setting also comprises:
Referring to Fig. 2,,, need handle tune shaft bottom plate for satisfying shield machine tune needs because of turning over 200mm on the plate-girder of tune shaft bottom.For avoiding shield machine jacking and decline repeatedly, the base pad layer height is set at 350mm; Underlayer 1 is a hardcore bed, and last bed course 2 is the medium coarse sand bed course, after setting cushion finishes and flattens, uses thickness to lay steel plate layer 3 as the steel plate of 30mm, and steel plate layer 3 is the direct carrier of shield machine 4.
Referring to Fig. 3, shield machine acceptance frame 5 is the steel sole plate 5b that are welded with four thickness 5mm in the bottom of a rectangular frame 5a, can increase the globality of shield machine acceptance frame 5 like this.
Shown in Figure 3 is the layout signal of pushing tow hydraulic jack; Shown in Figure 4 is the signal of pushing tow hydraulic jack longitudinal section.
When shield machine carries out translation, at first to guarantee to be fixedly installed on bracket 5c on the shield machine acceptance frame 5 with shield machine 4 and shield machine acceptance frame 5 firm welding, a pair of pushing tow hydraulic jack of selecting to be in phase the same side carries out the translation pushing tow; The a pair of pushing tow hydraulic jack that selection is on the diagonal position reverses end for end to rotate.
In the pushing tow process; The counter-force of pushing tow is converted into steel plate layer 3 and process rolls the friction between the last bed course 2 that is made up of medium coarse sand; Frictional force on steel plate layer 3 and the medium coarse sand between the bed course 2 is much larger than the frictional force between steel plate layer 3 and the shield machine acceptance frame 5; So the setting of pushing tow hydraulic jack 6 is steel members that welding one can be guaranteed rigidity on steel plate layer 3,, force transmission rack 7a is set between the frame 7 at said pushing tow hydraulic jack 6 and pushing tow counter adding as pushing tow reaction frame 7.
Before carrying out pushing tow, need along shield machine running orbit coating butter on steel plate layer 3, to reduce translation frictional force.
Claims (1)
1. shield machine pushing tow tune method in the shield construction subway tunnel is characterized in that by following process construction:
A, the base plate bed course is set in end well (8) makes and turn over beam and be capped, said base plate bed course is to form underlayer (1) by the auxilliary pad of rubble, goes up to assist at underlayer (1) and establishes medium coarse sand and form bed course (2); Bed course (2) is gone up and is laid steel plate layer (3) on said, with steel plate layer (3) as the shield machine carrier;
B, in end well (8), be positioned at and receive that portal (9) is located, the shield machine tunneling direction is provided with the shield machine acceptance frame in steel plate layer upper edge, receive shield machine, remove shield machine and be connected with each pipeline between chassis by the shield machine acceptance frame; One top-pushing mechanism is set, and is in the both sides of said shield machine acceptance frame (5) pushing tow hydraulic jack (6) to be set, and pushing tow reaction frame (7) is fixedly installed on the steel plate layer (3); Utilize the pushing tow hydraulic jack shield machine to be moved to the end well middle part on the steel plate layer through the shield machine acceptance frame;
C, be positioned at and receive portal (9) and locate to extend the first road shape steel bracket (11) is installed along the shield machine tunneling direction and to opposite side; Be positioned at the portal place that starts and extend, the second road shape steel bracket (12) is installed along the tune line direction and to opposite side; The chassis (13) that respectively saves that is arranged in current circuit at first gets into the first road shape steel bracket (11); Begin to lift successively from the minor details chassis by crane then and respectively save chassis; Make and respectively save chassis successively behind the Rotate 180 degree; Be placed on the second road shape steel bracket (12); And withdraw to extending on the second outside road shape steel bracket (12) of end well, remove the first road shape steel bracket (11) subsequently and be positioned at the second road shape steel bracket of end well;
D, utilize the collaborative pushing tow of each pushing tow hydraulic jack (6), and, make shield machine turning anticlockwise to 180 degree through the shield machine acceptance frame;
E, utilize pushing tow hydraulic jack (6) and the shield machine translation is arrived start the portal position once more through the shield machine acceptance frame, between shield machine and adjacent chassis, carry out subsequently pipeline is connected with front and back along connecing installation, accomplish and reverse end for end to construct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110443429 CN102400690B (en) | 2011-12-26 | 2011-12-26 | Shield machine jacking and turning method in shield method construction subway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110443429 CN102400690B (en) | 2011-12-26 | 2011-12-26 | Shield machine jacking and turning method in shield method construction subway tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102400690A true CN102400690A (en) | 2012-04-04 |
| CN102400690B CN102400690B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110443429 Expired - Fee Related CN102400690B (en) | 2011-12-26 | 2011-12-26 | Shield machine jacking and turning method in shield method construction subway tunnel |
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| CN (1) | CN102400690B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953352A (en) * | 2014-04-21 | 2014-07-30 | 中铁四局集团第二工程有限公司 | Rapid station-passing and turning construction method for long-distance shield tunneling machine of closed station |
| CN104141497A (en) * | 2014-07-22 | 2014-11-12 | 葛洲坝集团基础工程有限公司 | Installing method of horizontal movement turn-around starting counter-force frame of shield tunneling machine |
| CN109026032A (en) * | 2018-07-20 | 2018-12-18 | 中铁三局集团有限公司 | Under turn over beam and invade the lower shield translating construction method of limit |
| 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 |
| CN110130908A (en) * | 2019-06-06 | 2019-08-16 | 中建铁路投资建设集团有限公司 | A kind of u-turn of shield trolley, translation system and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345791A (en) * | 1999-06-02 | 2000-12-12 | Kidoh Construction Co Ltd | Starting method and arriving method for shield machine |
| JP2008231729A (en) * | 2007-03-19 | 2008-10-02 | Tokyo Metro Co Ltd | Method of reaching shield |
| CN101435332A (en) * | 2008-12-16 | 2009-05-20 | 上海隧道工程股份有限公司 | Construction method for in-situ turnaround of shield machine |
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2011
- 2011-12-26 CN CN 201110443429 patent/CN102400690B/en not_active Expired - Fee Related
Patent Citations (5)
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|---|---|---|---|---|
| JP2000345791A (en) * | 1999-06-02 | 2000-12-12 | Kidoh Construction Co Ltd | Starting method and arriving method for shield machine |
| JP2008231729A (en) * | 2007-03-19 | 2008-10-02 | Tokyo Metro Co Ltd | Method of reaching shield |
| CN101725359A (en) * | 2008-10-23 | 2010-06-09 | 上海天演建筑物移位工程有限公司 | Turn round method of shield machine in work shaft |
| CN101435332A (en) * | 2008-12-16 | 2009-05-20 | 上海隧道工程股份有限公司 | Construction method for in-situ turnaround of shield machine |
| CN201474700U (en) * | 2009-09-04 | 2010-05-19 | 中铁十四局集团有限公司 | Shield machine shunting platform |
Non-Patent Citations (3)
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| 王珣等: "盾构机平移过站技术", 《隧道建设》 * |
| 王镇春等: "南京地铁玄武门站盾构机调头技术", 《建筑机械》 * |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953352A (en) * | 2014-04-21 | 2014-07-30 | 中铁四局集团第二工程有限公司 | Rapid station-passing and turning construction method for long-distance shield tunneling machine of closed station |
| CN103953352B (en) * | 2014-04-21 | 2016-03-16 | 中铁四局集团第二工程有限公司 | Rapid station-passing and turning construction method for long-distance shield tunneling machine of closed station |
| CN104141497A (en) * | 2014-07-22 | 2014-11-12 | 葛洲坝集团基础工程有限公司 | Installing method of horizontal movement turn-around starting counter-force frame of shield tunneling machine |
| CN109026032A (en) * | 2018-07-20 | 2018-12-18 | 中铁三局集团有限公司 | Under turn over beam and invade the lower shield translating construction method of limit |
| 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 |
| CN110130908A (en) * | 2019-06-06 | 2019-08-16 | 中建铁路投资建设集团有限公司 | A kind of u-turn of shield trolley, translation system and construction method |
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| Publication number | Publication date |
|---|---|
| CN102400690B (en) | 2013-08-28 |
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Granted publication date: 20130828 |
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