CN103939113B - A kind of outstanding rail construction trolley - Google Patents
A kind of outstanding rail construction trolley Download PDFInfo
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- CN103939113B CN103939113B CN201410203084.9A CN201410203084A CN103939113B CN 103939113 B CN103939113 B CN 103939113B CN 201410203084 A CN201410203084 A CN 201410203084A CN 103939113 B CN103939113 B CN 103939113B
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- 238000010276 construction Methods 0.000 title claims abstract description 64
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 64
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 229910052742 iron Inorganic materials 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 abstract description 15
- 239000004567 concrete Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000009415 formwork Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000007728 cost analysis Methods 0.000 description 2
- 238000012407 engineering method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The invention discloses a kind of tunnel construction trolley, comprise template, mould bases and and lifting body; Described mould bases has many groups; Described mould bases comprises arch, intermediate web elements, lower edge pull bar and walking mechanism; Described template is fixedly connected with upper arch; Described upper arch is arcuate structure, and lower edge pull bar is straight-bar; The two ends of described upper arch are fixedly connected with the two ends of lower edge pull bar, and both form bow-shaped structural; Described intermediate web elements is arranged in the middle of bow-shaped structural, arch and lower edge pull bar in connection; Described walking mechanism is arranged on the bottom of lower edge pull bar; Described lifting body is also arranged on the bottom of lower edge pull bar, for removably connecting.Construction trolley of the present invention can improve speed of application, shortens the duration, facilitates sequential production; Mould bases can be reduced and spell the labour cost of tearing open, reduce track foundation and lay expense, cost-saving; Can not improve and build precision between adjacent lining cutting, solve faulting of slab ends and spillage problem, guarantee concrete pouring quality.
Description
Technical field
The present invention relates to a kind of tunnel construction trolley, particularly a kind of metro built by mining method " outstanding rail " chassis of constructing.
Background technology
Cavern-pile method (PBA) Underground Subway Station of constructing all adopts contrary sequence method to construct, after two lining button arch constructions, the sedimentation of earth's surface above station, pipeline and surrounding building is basicly stable, security risk elementary solution removes, rapid construction two serves as a contrast button arch concrete, earth's surface, pipeline and surrounding building cumulative settling can be reduced, simultaneously also for soil excavation provides precondition.
Under Station confined space operating environment, because the pilot tunnel preliminary bracing segmentation of former upper strata is removed, narrow space, is unfavorable for that main equipment carries out operation.Prior art often adopts loose spells mould bases, adds scaffold support construction two lining button arch concretes, also even have utilize simple and easy chassis construct, but equal Shortcomings, impact is constructed.
Loose mould bases of spelling adds scaffold support construction method: loose mould bases of spelling mainly utilizes steel pipe scaffold or total sub-semigroup as support, carries out on-site consolidation with I-shaped steel arch-shelf and fritter punching block, and formwork erection carries out two lining button arch concrete placings.Assembled and Demolition Construction speed is comparatively slow, and the phenomenon such as faulting of slab ends, spillage easily occurs piece.
Console mode chassis construction method: existing chassis is generally console mode chassis, console mode chassis adopts i iron processing, chassis is heavier, need to lay track plowing on the soil layer after digging at a first button, track laying needs sleeper to carry out the levelling of leveling repeatedly, and chassis is from great mobile difficulty, it is made to use very inconvenience.
Chinese patent CN102758640A discloses a kind of Subway Tunnel Lining trolley steel template system, comprise trolley steel template, described trolley steel template is made up of hinged two side templates of top template and its two ends, between described two side templates and chassis truss, support and connection have the side cylinder of inclination, are supported with jacking cylinder between the top of described top template and chassis truss; Described two side templates and the side support screw that has also been threaded between chassis truss, also be threaded between described top template and the top of chassis truss upper support screw, described chassis truss bottom and ground supports have lower support leading screw, described chassis truss bottom is also installed with road wheel, described ground is provided with the road wheel track corresponding to road wheel, described road wheel is driven by dynamical system.Its core track that to be chassis arranged at tunnel bottom is walked, and goes the template propping up whole lining.This structure requires high for the track of bottom, because track needs the pressure that bears greatly, comprises the weight concrete that the weight of chassis and lining cutting are built.And, also must ensure that in lining cutting casting process, track does not occur sedimentation.
Summary of the invention
The object of the invention is to overcome in prior art two conventional lining button arch construction methods, to there is speed of application slow, of poor quality, expends the shortcomings such as many man-hour, provide a kind of tunnel construction trolley, especially a kind of cavern-pile method Tunnel Second Lining Construction chassis.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of tunnel construction trolley, comprises and arranging from top to bottom: template, mould bases and lifting body;
Described mould bases comprises arch, intermediate web elements, lower edge pull bar and walking mechanism;
Described mould bases has multiple;
Described upper arch is arch, adapts with the shape of lining cutting.
Described template is fixedly connected with upper arch.Winding up arch can as the reinforcing rib of template back surface, the load capacity of balance template each several part.
Described lower edge pull bar is straight-bar; The two ends of described upper arch are fixedly connected with the two ends of lower edge pull bar, and both form bow-shaped structural.Form arched mould bases more stable, not easily deform when bearing pressure.
Described intermediate web elements is arranged in the middle of bow-shaped structural, and intermediate web elements connects upper arch and lower edge pull bar.Intermediate web elements plays main support effect, by the pressure dissipation carrying out self-template suffered by upper arch and going down, makes overall structure stress balance.One of preferred version, upper arch, intermediate web elements and lower edge pull bar form domatic truss.It is few that composition trussed construction has material consumption, good stability, the feature not easily deformed.Another preferred version, intermediate web elements is vertically set in the middle of bow-shaped structural.The axis vertically arranging the direction and intermediate web elements that intermediate web elements can make to bear pressure overlaps, and improves the anti-pressure ability of web member.
Described template is adjustable template, adapts with lining to be onstructed.Adopt adjustable template can improve template for the fitting percentage under different condition of construction, improve the utilization rate of template, reduce idle.Preferably, described template is the template with curved surfaces.The template of arcwall face and lining concrete to build surface laminating degree good, the concrete planarization solidifying rear surface is good.
Described walking mechanism is arranged on the bottom of lower edge pull bar, and can adapt with guide rail.Preferably, described walking mechanism is multiple guide rail wheel, and guide rail wheel structure is simple, and buying is convenient, and without special mounting requirement, meeting requirement of engineering does not increase installation difficulty again.Preferred, described walking mechanism is four guide rail wheel, and chassis is separated with liner sections in moving process, and weight is not too large, make four guide rail wheel can substantially meet mobile demand, and less guide rail wheel makes leveling correction work more easily complete.Described guide rail wheel is the guide rail wheel adapted with guide rail.Further, be connected and fixed with reinforcing bar, steel pipe or shaped steel between multiple mould bases.Multiple mould bases common support plays the template above it, is fixedly connected with between multiple mould bases, by being fixed into an overall structure, can have better stability.Also chassis each mould bases in movement can be protected not deform.
Below lower edge pull bar, arrange lifting body, described lifting body and lower edge pull bar are for removably connecting or separable structure.When lifting body works, the whole construction trolley of jack-up, and the walking mechanism of chassis and guide rail are separated; When lifting body is regained, chassis falls guide rail wheel and guide rail contact, and chassis weight drops on guide rail.Lifting body no longer bears the weight of chassis, lifting body can be dismantled and be separated with chassis, or because lose the effect of gravity and natural separation between lifting body and chassis, the separation of lifting body can greatly reduce the weight of chassis, facilitates the transfer/movement of chassis.Described lifting body has multiple identical lifting structure.Preferably, described lifting body is jack.Preferably, lifting body (as jack) just props up as pedestal with pilot tunnel, forms the supporting structure supporting chassis.Preferably, described jack has even number, plays the effect of jacking chassis, supports whole chassis, the bracing force that load dividing dolly both sides are subject to.Preferably, described jack is screw jack.
Further, mould bases is fixedly connected with by i iron and makes, and is preferably welded by i iron and makes, do not get rid of the mould bases adopted and use other to be fixedly connected with mode machine-shaping.Be welded to connect between i iron firmly, be not easily destroyed, because chassis is continuous propelling construction when building the lining cutting in same pilot tunnel, advanced by guide rail and lay, do not consider other carrying problem, welding is just provided with unique advantage.
Further, the assembly steel frame construction prolonging lining construction direction and extend is set below lower edge pull bar, makes pressure unification between each mould bases on steelframe.Preferably, lifting body, to be flexibly connected/to removably connect mode, is arranged under assembly steelframe.Lifting body is facilitated to unify jacking, dispense pressure.Preferably, described assembly steel frame construction is Two bors d's oeuveres i iron or box steel.
A kind of tunnel construction trolley apparatus system, comprises template, mould bases, lifting body and guide rail;
Described mould bases comprises arch, intermediate web elements, lower edge pull bar and walking mechanism;
Described mould bases has many groups;
Described template is fixedly connected with upper arch;
The two ends of described upper arch are fixedly connected with the two ends of lower edge pull bar, and both form bow-shaped structural;
Described intermediate web elements is arranged in the middle of described bow-shaped structural; Intermediate web elements connects upper arch and lower edge pull bar;
Described walking mechanism is arranged on the bottom of lower tension chord lower edge pull bar, and can adapt with guide rail;
Jack arranges lifting body below drop-down string pull bar, and described lifting body and lower edge pull bar are the whole construction trolley of the jack-up that removably connects, and the walking mechanism of chassis and guide rail can be made to be separated;
Described guide rail just props up supporting steel frame on side wall by being erected at pioneer bore, and be fixedly mounted on the rail steel composition on supporting steel frame;
Described guide rail wheel and rail steel suitable.
Described guide rail just props up the first supporting steel frame on side wall by being erected at pioneer bore, and be fixedly mounted on the rail steel composition on supporting steel frame.Preferably, described guide rail is formed along pilot tunnel bearing of trend (excavation direction) erection by i iron.Preferred, described guide rail just props up as pedestal with pilot tunnel, and pilot tunnel just props up and arranges multiple the first horizontal supporting steel frame; Preferably, described first supporting steel frame is the first i iron (described transverse direction is along in pilot tunnel cross-sectional direction), and multiple first supporting steel frame (preferred i iron) is parallel to each other, the distance that interval is identical; The guide rail along pilot tunnel bearing of trend that the i iron of horizontally set is arranged, preferred described guide rail is the second i iron, and according to the number of guide rail wheel, the second i iron being arranged to guide rail is the parallel i iron of more than two.Be fixedly connected with between first i iron with the second i iron.Utilize pilot tunnel just to prop up and the foundation forming guide rail is set, save the laying cost on guide rail basis, accelerate speed of application, the more important thing is the feature utilizing the first Zhi Zuowei guide rail foundation of pilot tunnel to have good stability.Because it is whole concrete structure that pilot tunnel just props up, be again the integral structure of continuous structure, its stability as guide rail basis even exceedes the later stage and independently arranges guide rail basis.
Below lower edge pull bar, arrange lifting body, described lifting body and lower edge pull bar are for removably connecting or separable structure.When lifting body works, the whole construction trolley of jack-up, and the walking mechanism of chassis and guide rail are separated; When lifting body is regained, chassis falls guide rail wheel and guide rail contact, and chassis weight drops on guide rail.Lifting body no longer bears the weight of chassis, and lifting body can be dismantled and be separated with chassis, or because lose the effect of gravity and natural separation between lifting body and chassis.Preferably, described lifting body is jack.Preferably, lifting body or jack just prop up as pedestal with pilot tunnel, form the supporting structure supporting chassis.Preferably, described jack has even number, plays the effect of jacking chassis, supports whole chassis, the bracing force that load dividing dolly both sides are subject to.Preferably, described jack is screw jack.
Use above-mentioned trolley device system at work progress, method is as follows: utilize pilot tunnel just to prop up, lay guide rail, be located on guide rail by chassis.Promote chassis along lining construction direction and arrive destination.Setting jack, with jack jacking chassis, making the template surface of the chassis top, hole to treating lining cutting in place.Now chassis is separated with guide rail, and guide rail does not bear chassis and concrete weight in lining cutting process; And accordingly by the position of jack console height and template.
Different according to execution conditions, the site erection jack of design load only need be reached at ground loading capacity; When there is no the pressure-bearing site be applicable to, only need carry out settling pressure test at the pre-concreting in the place of minority.As the sedimentation phenomenon that meets accident, because jack has multiple, so not easily topple.When sedimentation occurs in certain site, jack place, namely the height of elevating jack can adjust the height of chassis again, need not reinstall supporting mechanism.
Preferably, the assembly steel frame construction prolonging lining construction direction and extend is set below lower edge pull bar, makes pressure unification between each mould bases on steelframe, facilitate the unified jacking of lifting body (as jack), dispense pressure.Preferably, described assembly steel frame construction is Two bors d's oeuveres i iron or box steel.
Especially, under the construction environment of cavern-pile method, when on dismounting is original, pilot tunnel just props up, reserve part is Zhi Gaodu just, utilizes existing pilot tunnel just to support and is stressed, and the site can further reduced in chassis construction is arranged.
Compared with prior art, beneficial effect of the present invention:
1. improve speed of application: outstanding rail chassis makes full use of existing condition as support platform, greatly shorten the time of two lining button arch concrete construction installation and removal moulds, shorten the duration.Especially, in cavern-pile method construction, the pilot tunnel that can not abolish is Zhi Zuowei support platform just, and its bearing capacity is good, and locations of structures, along pilot tunnel depth direction, facilitates sequential production.
2. cost-saving: to compare with loose spelling mould bases form of construction work, adopt outstanding rail chassis to save mould bases and spell the labour cost of tearing open, saved scaffold and taken and tear labour cost open.Compare with console mode chassis, saved track foundation disposal cost, lighter than console mode chassis, save chassis manufacturing cost.
3. reliable construction quality: chassis of the present invention is because tear operation open without spelling, and during longitudinal extension operation, advance balance (only to bear chassis pressure according to the guide rail that field condition is arranged, not yielding), improve extend operation time adjacent lining cutting between build precision, solving and loose spelling the assembled faulting of slab ends that easily occurs of mould bases and spillage problem, ensure that concrete pouring quality.
Accompanying drawing illustrates:
Fig. 1 is the isometric exploded view (note Fig. 1 middle drift just prop up in work progress need not abolish top just prop up) that rail chassis is hanged in the present invention.
Fig. 2 is the die carrier structure of outstanding rail chassis.
Fig. 3 is the front view of chassis in pilot tunnel during construction lining cutting in place.(note Fig. 3 middle drift just props up and does not depict completely)
Fig. 4 is the front view that in Fig. 3, chassis is independent.
Fig. 5 is chassis lateral view when constructing in pilot tunnel.
Mark in figure: 1-top template, 2-mould bases, 3-jack, 4-track, 8-pilot tunnel just props up, the earthwork bottom 9, the upper arch of 201-, 202-lower edge pull bar, 203-intermediate web elements, 204-walking mechanism, 205-steel pipe (for being connected and fixed multiple adjacent mould bases), 301-backing plate is (for gentle support mechanism, as jack), 401-first i iron, 402 second i iron, the column that 801-has built.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
As parallel embodiment specifically of the present invention, in tunnel construction trolley, template can be symmetrical domatic, asymmetric domatic, hemidome.According to practice of construction situation, the slope structure shape of adjustment chassis, makes the architecture construction environment of template, ensures the seam density of template and other end mode structure, improves lining construction precision.
Further, described template back surface has reinforcing rib structure.Preferably, the structure of described reinforcing rib and upper arch is one, and reinforcing rib is the structural reinforcement of template, is again a part for upper arch, while arched stability is strengthened, and the bearing strength also large lifting of template.
Further, described template is arc formwork, and the mould bases arranged below template is domatic truss.Certainly, some steel frame constructions can also be set up below domatic truss, increase the height of chassis and the bearing capacity of truss.Preferably, described steel frame construction is parallel truss, or is set to the domatic truss that bottom has certain altitude, and namely top is domatic, the trussed construction of bottom cube structure.
Further, described walking mechanism can also be other parallel moving mechanism.
Further, below jack, be provided with backing plate, described backing plate is formed by the lumps of wood and steel plate overlap.
Embodiment 1
Carry out embodiment 1 below in conjunction with accompanying drawing 1-5 to illustrate.
As shown in Figure 1, in PBA engineering method, not exclusively abolish pilot tunnel and just prop up 8, utilize the main support platform not abolishing just Zhi Zuowei chassis formwork erection and movement.Ensure there are enough gaps between chassis and the bottom earthwork 9, convenient construction personnel, transport of materials are passed through.Chassis adopts i iron mould bases 2, adjustable formwork 1 forms, chassis length is 7.5m, i iron mould bases is divided into the arch 201 that winds up, intermediate web elements 203 and lower edge pull bar 202, (or bearing of trend is built along lining cutting along the long limit of template, i.e. pilot tunnel bearing of trend) every 0.75m arrange one across, each chassis amounts to 11 assembly mould frames (with different shown in Fig. 1), is welded on longitudinal Two bors d's oeuveres i iron (or case steel work steel) of I20 by 0.75m spacing; Adopt φ 48 steel pipe (205 in Fig. 5) to connect (every assembly mould frame arranges 6) between every two assembly mould frames, ensure that it is stablized; Template adopts the adjustable sheet steel form of 1500x750x5mm, and button arch in long edge is longitudinally arranged, and template directly adopts bolt to fix, and is welded and fixed after template assembly completes with mould bases.Longitudinal Two bors d's oeuveres i iron divides into 25t screw jack 3, screw jack setting space 1.0m.
When before construction, abolish part pilot tunnel and just prop up, make residual altitude just be suitable for the top lifting height of lining trolley, shown in first that abolishes as part in Fig. 1 or Fig. 3.First of both sides is set up the first i iron 401 (i iron operation crossbearer), then prolongs longitudinal the second i iron 402 arranged of pilot tunnel as guide rail in the first i iron (crossbearer) added setting.Chassis prolongs guide rail and advances to lining cutting position, by jack 3 jacking to lining cutting height, and pouring construction.After completing, remove the pressure of jack, roll back on guide rail under chassis, promote chassis and advance to next section of construction site, jack jacking chassis is in place, starts next section of pouring construction.
Construct with the loose spelling mould bases of prior art, console mode chassis constructs and carry out cost analysis and compare, result is as following table:
Table 1. cost analysis
Outstanding rail chassis of the present invention has saved construction cost, especially labour cost greatly.
Embodiment 2
As shown in Figure 1, in PBA engineering method, not exclusively abolish pilot tunnel and just prop up, utilize the main support platform not abolishing just Zhi Zuowei chassis formwork erection and movement.Chassis adopts i iron mould bases+adjustable formwork composition, chassis length is 7.5m, i iron mould bases is divided into the arch that winds up, intermediate web elements and lower edge pull bar, along the long limit of template (or building bearing of trend along lining cutting) every 0.75m arrange one across, each chassis amounts to 11 assembly mould frames, is welded on longitudinal Two bors d's oeuveres i iron (or case steel work steel) of I20 by 0.75m spacing; Adopt φ 48 fastener for connection (every assembly mould frame arranges 6) between every two assembly mould frames, ensure that it is stablized; Template adopts the adjustable sheet steel form of 1500x750x5mm, and button arch in long edge is longitudinally arranged, and template directly adopts bolt to fix, and is welded and fixed after template assembly completes with mould bases.Longitudinal Two bors d's oeuveres i iron divides into 25t screw jack, screw jack setting space 1.0m.
When before construction, abolish part pilot tunnel and just prop up, make the residual altitude of just propping up be suitable for the top lifting height of lining trolley.First of both sides is set up i iron operation crossbearer, then has prolonged the longitudinal i iron arranged of pilot tunnel as guide rail in the added setting of crossbearer.Chassis prolongs guide rail and advances to lining cutting position, by jack jacking to lining cutting height, and pouring construction.After completing, remove the pressure of jack, roll back on guide rail under chassis, promote chassis and advance to next section of construction site, jack jacking chassis is in place, starts next section of pouring construction.
Claims (8)
1. a tunnel construction trolley, comprises template, mould bases and lifting body;
Described mould bases comprises arch, intermediate web elements, lower edge pull bar and walking mechanism;
Described mould bases has many groups;
Described template is fixedly connected with upper arch;
Described upper arch is arcuate structure, and lower edge pull bar is straight-bar; The two ends of described upper arch are fixedly connected with the two ends of lower edge pull bar, and both form bow-shaped structural;
The assembly steel frame construction prolonging lining construction direction and extend is set below lower edge pull bar;
Described intermediate web elements is arranged in the middle of described bow-shaped structural; Intermediate web elements connects upper arch and lower edge pull bar;
Described walking mechanism is arranged on the bottom of lower edge pull bar;
Described lifting body is arranged on the below of lower edge pull bar, and described lifting body is arranged under assembly steelframe in the mode removably connected.
2. tunnel construction trolley as claimed in claim 1, it is characterized in that, upper arch, intermediate web elements and lower edge pull bar form domatic truss.
3. tunnel construction trolley as claimed in claim 1, it is characterized in that, intermediate web elements is arranged in the middle of bow-shaped structural, and intermediate web elements is perpendicular to lower edge pull bar; Intermediate web elements connects upper arch and lower edge pull bar.
4. tunnel construction trolley as claimed in claim 1, it is characterized in that, described template is adjustable template, adapts with lining to be onstructed.
5. tunnel construction trolley as claimed in claim 1, is characterized in that, be fixedly connected with between many assembly mould frames with steel pipe.
6. tunnel construction trolley as claimed in claim 1, it is characterized in that, described lifting body has multiple identical lifting structure.
7. tunnel construction trolley as described in claim 1 or 6, is characterized in that, described lifting body is jack.
8. a tunnel construction trolley apparatus system, comprises template, mould bases, lifting body and guide rail;
Described mould bases comprises arch, intermediate web elements, lower edge pull bar and walking mechanism;
Described mould bases has many groups;
Described template is fixedly connected with upper arch;
The two ends of described upper arch are fixedly connected with the two ends of lower edge pull bar, and both form bow-shaped structural;
Described intermediate web elements is arranged in the middle of described bow-shaped structural; Intermediate web elements connects upper arch and lower edge pull bar;
Described walking mechanism is arranged on the bottom of lower tension chord lower edge pull bar, and can adapt with guide rail;
Lifting body is arranged on the below of drop-down string pull bar, and described lifting body and lower edge pull bar are the whole construction trolley of the jack-up that removably connects, and the walking mechanism of chassis and guide rail can be made to be separated;
Described guide rail just props up the first supporting steel frame on side wall by being erected at pioneer bore, and be fixedly mounted on the rail steel composition on supporting steel frame;
Described first supporting steel frame has multiple, and multiple first supporting steel frame is parallel to each other, the distance that interval is identical;
The rail steel along pilot tunnel bearing of trend that first supporting steel frame is arranged, rail steel is the parallel i iron of more than two; First supporting steel frame is fixedly connected with between rail steel;
Described walking mechanism is four guide rail wheel;
Guide rail wheel and rail steel suitable.
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| CN201410203084.9A CN103939113B (en) | 2014-05-14 | 2014-05-14 | A kind of outstanding rail construction trolley |
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| CN106223982A (en) * | 2016-08-29 | 2016-12-14 | 黄高飞 | A kind of using method of the rail-free walking carriage device of constructing tunnel |
| CN107269298B (en) * | 2017-07-24 | 2019-03-29 | 国家电网公司 | A kind of tunnel construction trolley |
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| CN109538242B (en) * | 2018-10-23 | 2020-09-29 | 中建一局集团第一建筑有限公司 | Building method of tunnel construction formwork support |
| CN112709162A (en) * | 2020-12-30 | 2021-04-27 | 中铁六局集团北京铁路建设有限公司 | Large-span thin-wall concrete sound barrier pouring trolley |
| CN112726442A (en) * | 2020-12-30 | 2021-04-30 | 中铁六局集团北京铁路建设有限公司 | Construction method of large-span thin-wall concrete sound barrier pouring trolley |
| CN113914897B (en) * | 2021-09-27 | 2024-08-02 | 中铁十四局集团建筑工程有限公司 | Movable vault secondary lining template rack and movable structure of communication grotto rack |
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| CN203867587U (en) * | 2014-05-14 | 2014-10-08 | 中铁二局股份有限公司 | Suspension rail type construction trolley |
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2014
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| JP3750470B2 (en) * | 2000-03-03 | 2006-03-01 | 株式会社大林組 | Automatic watering equipment for tunnel lining concrete |
| KR20020066835A (en) * | 2001-02-14 | 2002-08-21 | 선산철강공업(주) | Structure of sliding steel form which construct tunnel. |
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| CN202628116U (en) * | 2012-04-24 | 2012-12-26 | 中国水利水电第十四工程局有限公司 | Arch frame for light-weight movable type steel mould trolley |
| CN203321538U (en) * | 2013-06-25 | 2013-12-04 | 中铁十六局集团地铁工程有限公司 | Variable-cross-section tunnel lining mold |
| CN203867587U (en) * | 2014-05-14 | 2014-10-08 | 中铁二局股份有限公司 | Suspension rail type construction trolley |
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| CN103939113A (en) | 2014-07-23 |
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