CN104612718A - Supporting trolley for overlapped shield tunnel construction and supporting trolley system - Google Patents

Supporting trolley for overlapped shield tunnel construction and supporting trolley system Download PDF

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Publication number
CN104612718A
CN104612718A CN201510074563.XA CN201510074563A CN104612718A CN 104612718 A CN104612718 A CN 104612718A CN 201510074563 A CN201510074563 A CN 201510074563A CN 104612718 A CN104612718 A CN 104612718A
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CN
China
Prior art keywords
support
door frame
shield tunnel
tunnel construction
chassis
Prior art date
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CN201510074563.XA
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Chinese (zh)
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CN104612718B (en
Inventor
和孙文
李光耀
钱兴喜
张述毕
惠世前
缪买和
刘士诚
庞林军
杨光武
张磊
刘才平
刘琨阳
周跃飞
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中国水利水电第十四工程局有限公司
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Priority to CN201510074563.XA priority Critical patent/CN104612718B/en
Publication of CN104612718A publication Critical patent/CN104612718A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/08Lining with building materials with preformed concrete slabs
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

Abstract

The invention discloses a supporting trolley for overlapped shield tunnel construction and a supporting trolley system and aims to improve construction efficiency effectively. The supporting trolley comprises a frame body, a traveling mechanism and a hydraulic supporting mechanism. The frame body comprises two gantries, bottom beams, a connection beam, a platform and adjustment supports, lower ends of the lateral sides of the two gantries are connected through the bottom beams, upper portions of the lateral sides of the two gantries are connected through the connection beam, the two gantries are connected through the platform which is arranged on the upper portions of the gantries, and the adjustment supports are arranged on the bottom beams. The traveling mechanism comprises traveling wheel sets, driving wheel sets, rail clamping devices and motors, the traveling wheel sets, the driving wheel sets and the rail clamping devices are arranged on the lower portions of the bottom beams, and the motors are arranged on the bottom beams and in drive connection with the driving wheel set. The hydraulic supporting mechanism is symmetrically arranged on the two gantries and comprises a plurality of supporting oil cylinders, supports, rubber pads and a pump station, the supporting oil cylinders are arranged outside the gantries radially along a tunnel, the supports are arranged at the ends of the supporting oil cylinders, the rubber pads are arranged on the end faces of the supports, and the pump station is arranged on the platform and used for driving the supporting oil cylinders.

Description

A kind of support chassis for overlapping shield tunnel construction and brace table truck system
Technical field
The present invention relates to technical field of mechanical equipment for tunnel construction, especially relate to a kind of support chassis for overlapping shield tunnel construction.
Background technology
At present, Urban Traffic Jam Based is on the rise, extreme influence civic trip, alleviating the most effective approach in urban traffic pressure is greatly develop urban public transportation system, especially have that large conveying quantity, speed are fast, safety, reliably, the City Rail Transit System of the feature such as comfortable on schedule, the construction of urban track traffic more and more accept by citizen.
City Rail Transit System is mainly positioned at below urban road, build limited space, especially some circuit in order to avoid down wearing residential quarter or other constructions of structures, reduce impact on exist curves, investment reduction, in Construction of Urban Rail Traffic, the design of superimposing thread tunnel line is more and more.
Shield method is the Fully-mechanized construction method of one in shallow mining method, it has safe and reliable, ground adaptability is strong, work efficiency is high, disturb little to traffic above-ground and building, the features such as rivers, lake and existing railway, highway, subway, bridge, passage, pipeline can be passed through, be in current constructing metro tunnel up-to-date enter construction method.
When shield method is applied to superimposing thread (overlap) constructing tunnel, especially originating terminal and receiving terminal position, upper and lower two tunnel vertical distances are about 2m, according to the requirement of superimposing thread shield-tunneling construction, the tunnel that rolls off the production line of first constructing, then tunnel of reaching the standard grade of constructing.When reaching the standard grade constructing tunnel, support is arranged to the tunnel certain limit that rolls off the production line (below tunnel shield body of reaching the standard grade and before and after shield body each 10m correspondence position), with the structural safety in the tunnel that ensures to roll off the production line.
According to past construction experiences, adopt conventional support system (shape steel bracket, full hall scaffold etc.), exist and set up the problems such as mobile difficulty, up and down threaded list road can not tunnel simultaneously, larger on the impact of shield driving duration.
Summary of the invention
Instant invention overcomes shortcoming of the prior art, provide a kind of conveniently moving, effectively can improve efficiency of construction, shorten the construction period, the support chassis for overlapping shield tunnel construction that shield tunnel that realization is rolled off the production line is constructed simultaneously; Meanwhile, present invention also offers the brace table truck system that a kind of efficiency of construction is high.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
For a support chassis for overlapping shield tunnel construction, coordinate with track and to walk and for the support of tunnel duct piece, it comprises vehicle frame, walking mechanism and hydraulic support mechanism;
Described vehicle frame comprises two door frames, connects the bottom girder of two door frame side lower ends, connects the articulated beam on two door frame side tops, is arranged at the platform that door frame top connects two door frames, and the adjustment arranged on bottom girder supports;
Described walking mechanism comprise be arranged at lower sill beam walking wheels, drive wheels, rail clamping device, and be arranged on bottom girder with driving wheels drive the motor be connected;
Described hydraulic support mechanism is symmetricly set on two door frames, comprise and be multiplely arranged at support cylinder outside door frame along tunnel radial direction, be arranged at support cylinder end for supporting the bracket of tunnel duct piece sidewall and roof, be arranged at the Rubber washer on bracket end face, and be arranged on platform for driving the pumping plant of support cylinder.
Preferably, the side of two described door frames is provided with the hound connecting door frame, and the side of described door frame is provided with the cat ladder of connecting platform, is provided with crossbeam between described bottom girder.
Preferably, a hinged connecting rod between relative on two described door frames bracket.
Preferably, the bottom girder of described door frame both sides is all at least provided with one group of gear wheel mechanism, described gear wheel mechanism comprises the gear wheel frame be fixedly connected with bottom girder, is arranged at the gear wheel of gear wheel frame lower end inside, the lateral overlap of described gear wheel and track during assembling.
Preferably, the both sides of described door frame are all hinged with pull bar, and during use, the other end of pull bar is connected with the screw end head on tunnel duct piece.
Preferably, the headway of described door frame is 2.56m.
Preferably, described track is P43 type track.
Preferably, described door frame is respectively arranged five support cylinders, door frame both sides stringcourse downward 15 ° each, top vertical one, 40 ° to both sides each one, top.
Preferably, described motor is connected with driving wheels by reducer and chain-wheel mechanism.
For a brace table truck system for overlapping shield tunnel construction, it comprises more piece and supports chassis as above, and more piece supports chassis and is linked in sequence.
Compared with prior art, tool of the present invention has the following advantages:
The present invention can be applicable to upper and lower double line shield tunnel (especially small interval double line shield tunnel) construction, when upper and lower two tunnels tunnel simultaneously, both the tunnel that can ensure to roll off the production line normally is open to traffic construction, can play again the object when reaching the standard grade constructing tunnel, the tunnel that rolls off the production line being played to temporary support.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that structural representation cuts open in the office of the present invention when constructing.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the enlarged drawing of part B in Fig. 1.
Fig. 4 is lateral view of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For the support chassis of overlapping shield tunnel construction shown in Fig. 1-4, coordinate with track 50 and to walk and for the support of tunnel duct piece 30, it comprises vehicle frame, walking mechanism and hydraulic support mechanism;
Described vehicle frame comprises two door frames 5, connects the bottom girder 4 of two door frame 5 side lower ends, connects the articulated beam 6 on two door frame 5 side tops, is arranged at the platform 7 that door frame 5 top connects two door frames 5, and the adjustment arranged on bottom girder 4 supports 14;
Described walking mechanism comprise be arranged at bottom girder 4 bottom walking wheels 2, drive wheels 3, rail clamping device 1, and be arranged on bottom girder 4 with driving wheels 3 drive the motor 19 be connected;
Described hydraulic support mechanism is symmetricly set on two door frames 5, comprise and be multiplely arranged at support cylinder 16 outside door frame 5 along tunnel radial direction, be arranged at support cylinder 16 end for supporting the bracket 11 of tunnel duct piece 30 sidewall and roof, be arranged at the Rubber washer 12 on bracket 11 end face, and be arranged on platform 7 for driving the pumping plant 20 of support cylinder 16.
Wherein, the side of two described door frames 5 is provided with the hound 8 connecting door frame 5, the side of described door frame 5 is provided with the cat ladder 9 of connecting platform 7, crossbeam 10 is provided with between described bottom girder 4, crossbeam is three, guarantees that the left and right pillar of door frame is not to middle excessive deformation, is connected with bottom girder with bolt, can take apart if desired, allow battery locomotive 40 pass through.A hinged connecting rod 6 between bracket 11 relative on two described door frames 5, limits bracket 11 and is rotating among a small circle, construct more convenient.The bottom girder 4 of described door frame 5 both sides is provided with three groups of gear wheel mechanisms, described gear wheel mechanism comprises the gear wheel frame 17 be fixedly connected with bottom girder 4, be arranged at the gear wheel 21 of gear wheel frame 17 lower end inside, the lateral overlap of described gear wheel 21 and track 50 during assembling, the quantity of obvious gear wheel mechanism suitably can increase and decrease according to construction requirement.The both sides of described door frame 5 are all hinged with pull bar 18, and during use, the other end of pull bar 18 is connected with the screw end head on tunnel duct piece 30, for resisting door frame distortion., the headway of described door frame 5 is 2.56m, can meet the walking requirement of battery locomotive 40.Described track 50 preferably adopts P43 type track, and its gauge is 2.23m.
In the present embodiment, described door frame 5 is respectively arranged five support cylinders 16, door frame 5 both sides stringcourse downward 15 ° each one, top vertical one, 40 ° to both sides each one, top, described bracket 11 is hinged by pin 15 and support cylinder 16 end, the thickness of Rubber washer is advisable with 10 ㎝, during constructing operation, if there is faulting of slab ends phenomenon section of jurisdiction, need optionally interim cushioning Rubber washer again on bracket, to ensure that whole bracket surface contacts well with section of jurisdiction.Rubber washer is connected with bracket by screw.The preferred model of support cylinder is HSGK01-110/80E-4621-200*177.
Described motor 19 is connected with driving wheels 3 by reducer 22 and chain-wheel mechanism.The preferred disposition of described walking mechanism is as follows:
1. motor: model: YZ132M1, power P=2.2kw, rotating speed n=935r/min;
2. reductor: model: WHS12.5-50-I (II), gearratio is 50, sprocket ratio i=Z2/Z1=38/19=2, resultant gear ratio=50*2=100;
3. the speed of travel: V=8.8m/min.
During construction, to pass through state at battery locomotive, the crossbeam on bottom girder needs to remove, and the globality intensity of door frame reduces, and for this reason, spy arranges each two groups of four groups of gear wheel mechanism door frame left and right, is rely on track, under the effect of gear wheel mechanism, can retrain door frame and not produce distortion.Respectively arrange three groups of drag link mechanisms at left and right bottom girder, the pull bar other end is connected to connecting screw rod termination, section of jurisdiction, also can resist the distortion that door frame likely produces simultaneously.
For a brace table truck system for overlapping shield tunnel construction, it comprises five and saves support chassis as above described in embodiment, and five joints support chassis and are linked in sequence.Often joint supports the effective bearing length of chassis is 6m, and it is 0.68m that last joint brace table tailstock portion and rear saves brace table car head distance, adopts the connected mode in common rail compartment, and the quantity obviously supporting chassis reasonably can increase and decrease according to construction requirement.
Brace table truck system install and operation instruction as follows:
1) installation of chassis
1. support chassis correlation diagram paper is familiar with, then successively chassis is assembled according to drawing, step is from the bottom up followed in the assembling of chassis, first carry out assembled in advance on ground, split after acceptance(check), lifting is gone into the well, be transported to installation work face by battery locomotive to carry out installing in tunnel, the lifting of support chassis merogenesis is gone into the well and is adopted 50t mobile crane and 45 tons of door machines to coordinate, when the assembled support chassis of tunnel internal, from inside outwards assembled successively, the bracket distance hole that final section supports chassis is about 0.5m, installing in hole needs measurement to carry out measurement tasks.
2., after all parts install, need to carry out an acceptance inspection to support chassis, can come into operation after acceptance(check).
3. main erecting tools: Chain block, spanner etc.;
2) brace table truck system uses
1. the bearing length of brace table truck system (five joints support chassis) is about 30m, i.e. each 10m scope below shield body and before and after shield body, each displacement is 1.5m ~ 3m(1 ~ 2 pipe joint sheets), require the translation work completing left threaded list road before right line moves in last a slice pipe sheet assembling time, require to accomplish that shield machine stops driving simultaneously, synchronous grouting also will complete, and forbids to carry out slip casting or synchronous grouting to section of jurisdiction in support chassis moving process;
2. small interval overlapping tunnel supports chassis support scope is that the given superimposing thread of design drawing supports scope;
3., in the use procedure of support chassis, monitoring to be strengthened, in order to avoid cause segment deformation, dislocation because jacking thrust is excessive to section of jurisdiction;
4. after support chassis shift position is determined, need to be fixed by drag link mechanism and section of jurisdiction connecting bolt, rail clamping device is clipped simultaneously;
5. after support chassis fixes, needing adjustment to support to hold out against with orbital plane, for ensureing that track deformation does not occur, advising the cushioning lumps of wood below track;
When 6. shutting down movable support chassis at every turn, shield cutter distance from top Section of four brace table tailstock portion 4.8m, at every turn mobile 1.5 ~ 3m;
7. during right line shield launching, 1 ~ No. 5 support chassis is in place from portal 0.5 position once mounting, during Shi Hanzhang, suppose that first, portal position support chassis is numbered 1, then a distance portal joint farthest supports chassis and is numbered 5, during to 1 ~ No. 5 support chassis Shi Hanzhang, to increase 5KN be principle according to each, classification applies, maximum applying gross thrust is each support cylinder 45KN, need in pre-applied force applying process to monitor segment deformation situation, unusual circumstance stops pre-applied force in time, put in place in order to avoid once add and make section of jurisdiction produce moderate finite deformation,
8. pre-applied force applying order: each support chassis amounts to 5 support cylinders, the order of applying power is first top axis position support cylinder, apply the support cylinder (simultaneously applying) of the left and right sides, top again, finally apply the pre-applied force (simultaneously applying) of waist two support cylinders.
9. in shield tunneling process, carry out the monitoring of section of jurisdiction, recorded the data variation of oil cylinder simultaneously, treat that first paragraph test section completes, summarize, analyze, determine final prestressing force load condition;
10. the stress sequence of unloading before moving: support force (the unloading gradation unloading that at every turn can only unload a support chassis, the support force of two support cylinders on first time unloading 40 degree of directions, the second time unloading downward 15 degree of direction loinss of stringcourse two support forces, finally unload support force on axis direction, be offloaded to when axle power is zero at every turn and stop, after each completion of discharge, control measurement to be carried out to section of jurisdiction;
For ensureing to roll off the production line the construction safety of shield tunnel, a joint can only be moved at every turn and support chassis, support chassis until a upper joint and move complete and after installing, just can carry out the movement of next joint support chassis, the chassis not being in mobile status must be in stress.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1., for a support chassis for overlapping shield tunnel construction, coordinate with track and walk and for the support of tunnel duct piece, it is characterized in that: comprise vehicle frame, walking mechanism and hydraulic support mechanism;
Described vehicle frame comprises two door frames, connects the bottom girder of two door frame side lower ends, connects the articulated beam on two door frame side tops, is arranged at the platform that door frame top connects two door frames, and the adjustment arranged on bottom girder supports;
Described walking mechanism comprise be arranged at lower sill beam walking wheels, drive wheels, rail clamping device, and be arranged on bottom girder with driving wheels drive the motor be connected;
Described hydraulic support mechanism is symmetricly set on two door frames, comprise and be multiplely arranged at support cylinder outside door frame along tunnel radial direction, be arranged at support cylinder end for supporting the bracket of tunnel duct piece sidewall and roof, be arranged at the Rubber washer on bracket end face, and be arranged on platform for driving the pumping plant of support cylinder.
2. according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: the side of two described door frames is provided with the hound connecting door frame, the side of described door frame is provided with the cat ladder of connecting platform, is provided with crossbeam between described bottom girder.
3., according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: a hinged connecting rod between bracket relative on two described door frames.
4. according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: the bottom girder of described door frame both sides is all at least provided with one group of gear wheel mechanism, described gear wheel mechanism comprises the gear wheel frame be fixedly connected with bottom girder, be arranged at the gear wheel of gear wheel frame lower end inside, the lateral overlap of described gear wheel and track during assembling.
5., according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: the both sides of described door frame are all hinged with pull bar, during use, the other end of pull bar is connected with the screw end head on tunnel duct piece.
6., according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: the headway of described door frame is 2.56m.
7., according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: described track is P43 type track.
8., according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: described door frame is respectively arranged five support cylinders, door frame both sides stringcourse downward 15 ° each, top vertical one, 40 ° to both sides each one, top.
9. according to claim 1 for the support chassis of overlapping shield tunnel construction, it is characterized in that: described motor is connected with driving wheels by reducer and chain-wheel mechanism.
10. for a brace table truck system for overlapping shield tunnel construction, it is characterized in that: it comprises the support chassis of more piece as described in any one of claim 1-9, more piece supports chassis and is linked in sequence.
CN201510074563.XA 2015-02-12 2015-02-12 A kind of support chassis for overlapping shield tunnel construction and support table system Active CN104612718B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221169A (en) * 2015-10-21 2016-01-06 中铁科工集团轨道交通装备有限公司 A kind of crawler type section of jurisdiction secondary lining equipment
CN105240030A (en) * 2015-10-30 2016-01-13 中建三局第一建设工程有限责任公司 Steel support for overlapped tunnels
CN106368718A (en) * 2016-10-25 2017-02-01 陕西铁路工程职业技术学院 Metro deep-buried tunnel reinforced concrete duct piece dismounting operation vehicle
CN106401592A (en) * 2016-06-17 2017-02-15 中铁十八局集团第五工程有限公司 Construction method for tunnel boring off-contact sending and receiving platform of up-down overlapped tunnel
CN108590679A (en) * 2018-04-18 2018-09-28 重庆建工第七建筑工程有限责任公司 Utilize the construction method for walking support truck jumbo overlapping tunnel
CN109505646A (en) * 2018-12-29 2019-03-22 中铁局集团有限公司 The method of trolley is reversely hauled in a kind of tunnel
CN111456770A (en) * 2018-12-05 2020-07-28 黄河科技学院 Movable tunnel segment supporting device for subway construction

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CN101712323A (en) * 2009-12-17 2010-05-26 中铁一局集团有限公司 Movable wheel type trolley supporting system for long-distance overlapping shield tunnel of small clear distance
JP2011058314A (en) * 2009-09-11 2011-03-24 Daiei Koki Kk Portal frame and center truck
CN103541744A (en) * 2013-11-11 2014-01-29 中铁四局集团机电设备安装有限公司 Tire walking full-hydraulic lining trolley
CN104033166A (en) * 2014-06-26 2014-09-10 湖南五新重型装备有限公司 Gantry system of tunnel lining trolley
CN204591302U (en) * 2015-02-12 2015-08-26 中国水利水电第十四工程局有限公司 A kind of support chassis for overlapping shield tunnel construction and brace table truck system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011058314A (en) * 2009-09-11 2011-03-24 Daiei Koki Kk Portal frame and center truck
CN101712323A (en) * 2009-12-17 2010-05-26 中铁一局集团有限公司 Movable wheel type trolley supporting system for long-distance overlapping shield tunnel of small clear distance
CN103541744A (en) * 2013-11-11 2014-01-29 中铁四局集团机电设备安装有限公司 Tire walking full-hydraulic lining trolley
CN104033166A (en) * 2014-06-26 2014-09-10 湖南五新重型装备有限公司 Gantry system of tunnel lining trolley
CN204591302U (en) * 2015-02-12 2015-08-26 中国水利水电第十四工程局有限公司 A kind of support chassis for overlapping shield tunnel construction and brace table truck system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221169A (en) * 2015-10-21 2016-01-06 中铁科工集团轨道交通装备有限公司 A kind of crawler type section of jurisdiction secondary lining equipment
CN105221169B (en) * 2015-10-21 2018-03-27 中铁科工集团轨道交通装备有限公司 A kind of crawler type section of jurisdiction secondary lining equipment
CN105240030A (en) * 2015-10-30 2016-01-13 中建三局第一建设工程有限责任公司 Steel support for overlapped tunnels
CN106401592A (en) * 2016-06-17 2017-02-15 中铁十八局集团第五工程有限公司 Construction method for tunnel boring off-contact sending and receiving platform of up-down overlapped tunnel
CN106368718A (en) * 2016-10-25 2017-02-01 陕西铁路工程职业技术学院 Metro deep-buried tunnel reinforced concrete duct piece dismounting operation vehicle
CN108590679A (en) * 2018-04-18 2018-09-28 重庆建工第七建筑工程有限责任公司 Utilize the construction method for walking support truck jumbo overlapping tunnel
CN111456770A (en) * 2018-12-05 2020-07-28 黄河科技学院 Movable tunnel segment supporting device for subway construction
CN109505646A (en) * 2018-12-29 2019-03-22 中铁局集团有限公司 The method of trolley is reversely hauled in a kind of tunnel

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