CN107747494A - Box culvert relaying pushing tow system with travel mechanism - Google Patents

Box culvert relaying pushing tow system with travel mechanism Download PDF

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Publication number
CN107747494A
CN107747494A CN201710982531.9A CN201710982531A CN107747494A CN 107747494 A CN107747494 A CN 107747494A CN 201710982531 A CN201710982531 A CN 201710982531A CN 107747494 A CN107747494 A CN 107747494A
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CN
China
Prior art keywords
box culvert
pushing tow
section
box
jack
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Granted
Application number
CN201710982531.9A
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Chinese (zh)
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CN107747494B (en
Inventor
虞培忠
潘树杰
何军
王志涛
谢迅猷
蒋朕刚
边岩
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China State Construction Engineering Hong Kong Ltd
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China State Construction Engineering Hong Kong Ltd
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Application filed by China State Construction Engineering Hong Kong Ltd filed Critical China State Construction Engineering Hong Kong Ltd
Priority to CN201710982531.9A priority Critical patent/CN107747494B/en
Publication of CN107747494A publication Critical patent/CN107747494A/en
Priority to PCT/CN2018/088437 priority patent/WO2019076056A1/en
Application granted granted Critical
Publication of CN107747494B publication Critical patent/CN107747494B/en
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

Abstract

The present invention discloses a kind of box culvert relaying pushing tow system with travel mechanism.Wherein, the box culvert relays pushing tow system, for box culvert pushing tow to be entered into tunnel, the workbench being disposed adjacent including the entrance with tunnel, at least two sections of box culverts on workbench, box culvert relaying pushing tow system also includes being used at least thrustor that pushing tow is located at the box culvert before the entrance in tunnel, for at least puller system for pulling the second to the n-th section of box culvert in the first direction and at least thrust device for the box culvert of some or all of entrance into tunnel to be promoted in the first direction, thrustor is located at workbench and supports or be connected to a box culvert, puller system is connected between two adjacent box culverts, thrust device is arranged between two adjacent box culverts.Box culvert relaying pushing tow system of the present invention can be applied to the Tunnel Passing of narrow construction site, realize plant equipment miniaturization and set, and reduce equipment and technology requirement, lifting means stability.

Description

Box culvert relaying pushing tow system with travel mechanism
Technical field
The present invention relates to box culvert pushing tow tunnel Push Technology field, more particularly to a kind of box culvert relaying with travel mechanism Pushing tow system.
Background technology
Under the complicated environmental condition of city, tend not to, according only to the simple selection construction method of geological hydrology condition, go back Consider many factors such as city integrated planning, the influence of existing facility, environmental safety requirements.
In existing tunnel crossing technology, the construction technology that can adapt to city condition mainly has shield tunnel construction, tunneling Constructing tunnel and box culvert incremental launching construction etc..
First, shield method：
Mainly applicable environment place：Clay, fine sand, using earth pressure balanced shield, EPBS；Sand, rubble pebble layer, using mud Water balance shield；Advantage：Ground influence is small, and mechanization degree is high, and safety, labor strength is low, and progress is fast；Shortcoming：Machinery Equipment is complicated, and expensive, construction technology is numerous, professional construction troop.
Second, subsurface excavation method：
Mainly applicable environment place：Preferable rock stratum, using drilling and blasting method；Poor rock stratum, soil layer have sternly to construction disturbance Lattice requirement, using power auger play；Advantage：Mechanization degree is low, and labor intensity is high, bad environments, and risk is big；Shortcoming：Except enclosing Rock is especially loose or vibration control requires high, generally use drilling and blasting method；Buried depth is shallower or needs when country rock is poor with pipe canopy etc. Method is reinforced to the soil body；Constructed for heavy in section tunnel according to geological conditions from partial excavation method；Wherein, shallow buried covered excavation Method is to carry out a kind of method of all kinds underground chamber boring construction in the underground nearer apart from earth's surface.In cities and towns weak surrounding rock In stratum, the constructing underground building under the conditions of shallow embedding, premised on transforming geological conditions, to control ground settlement to attach most importance to, with Grid (or other steel constructions) and spray anchor are used as preliminary bracing means, according to " advanced, the tight slip casting of pipe, short excavation, strong supporting, soon 18 word principles of closing, diligent measurement " are constructed.
3rd, box culvert incremental launching method：
Mainly applicable environment place：Soft stratum and loose wall rock；Advantage：Ground influences small, mechanization degree height, peace Entirely, labor strength is low, and progress is fast；Shortcoming：Plant equipment is complicated, and expensive, construction technology is numerous, professional construction troop.
By taking China Hongkong as an example, the engineering geological condition of Hongkong is more complicated, and petrofacies and complex lithology are changeable, Rock decay is serious, and weathered zone is crisscross, in net distribution；Hongkong it is widely distributed colluvial, the slope since the Quaternary Period Product, alluviation, proluvial and littoral sediment are covered；Meanwhile Hongkong mountain region area coverage is wide, a large amount of urban lands are by filling out sea Epeirogenetic.Under such city complicated environmental condition, Tunnel Passing construction can run into many different situations.For example pass through Back fill course, mud, the stratum of the rich groundwaters such as seashore is passed through, pass through liquescent loosening sand layer；Pass through existing pipe Below line facility, pass through near existing pile foundation plinth, pass through below existing road and rail, pass through below the infrastructure such as existing tunnel Etc..
With the needs that modern city develops, the existing facility of increasing heavy in section Tunnel Passing, pass through it is complicated multiple The situation for closing stratum can occur in succession in different regions, different cities surely.Box culvert incremental launching method is adapted to various geological conditions, especially It is for scall, and traditional subsurface excavation method tunnel needs strict gib, and box culvert incremental launching method can utilize prefabricated box culvert pair Excavate hole body to be supported, greatly simplifie support work, and the security of construction can be ensured.Therefore, in order to not block Existing installation fishery, under conditions of reducing on the influence of existing facility, ensureing existing facility continued operation, quickly and safely complete multiple Heavy in section Tunnel Passing under miscellaneous geological conditions, box culvert push construction method are particularly important.
The heavy in section box culvert incremental launching method generally use of prior art be single-unit box culvert once complete it is prefabricated, once complete top Crossing-river tunnel is pushed away, it at least has following defect：
First, existing heavy in section box culvert incremental launching method is once prefabricated, i.e. disposably pre- according to the length in tunnel to be traversed System completes complete single-unit box culvert, it is desirable to provide box culvert precasting yard space requirement it is larger, therefore, narrow construction field can not be met The requirement on ground；
Second, existing pushing tow of heavy in section box culvert incremental launching method is the section for completing Tunnel Passing, once prefabricated completion Completely the size of box culvert, weight etc. are larger, therefore, the jacking force that the plant equipment required by pushing tow provides is larger, the machine used Tool equipment is more large-scale.
The content of the invention
The main object of the present invention is to provide a kind of box culvert relaying pushing tow system with travel mechanism, it is intended to solves box culvert It is the problem of incremental launching method can not meet the requirement of narrow construction site, and the plant equipment used is more large-scale, of the invention Box culvert relaying pushing tow system with travel mechanism can be applied to the Tunnel Passing of narrow construction site, and realize machinery and set The setting of standby miniaturization, reduce equipment and technology requirement, lifting means stability.
To achieve the above object, the box culvert relaying pushing tow system proposed by the present invention with travel mechanism, for by box culvert Pushing tow enters tunnel, including workbench, at least two sections of box culverts on the workbench being disposed adjacent with tunnel portal, The direction that the box culvert pushing tow is defined into tunnel is first direction, is defined along the opposite second direction of the first direction successively The box culvert of arrangement be respectively first paragraph box culvert ... and n-th section of box culvert, n >=2, the first paragraph box culvert and second segment box culvert are at first It is prefabricated in being spaced on the workbench, after first paragraph box culvert and second segment box culvert advance in the first direction, the 3rd section of case Contain in the second segment box culvert original position carry out it is prefabricated, to first paragraph box culvert to (n-1)th section of box culvert in the first direction before After entering, n-th section of box culvert is prefabricated in the original position progress of the second segment box culvert, and the box culvert relaying pushing tow system also includes Be located at for pushing tow the box culvert before tunnel portal an at least thrustor, for by the second to the n-th section of box culvert in the first direction At least puller system that pulls and for some or all of box culvert into tunnel portal to be promoted in the first direction An at least thrust device, the puller system are connected between two adjacent box culverts, and it is adjacent that the thrust device is arranged at two Between box culvert；
The workbench is arranged with an at least pushing tow groove, and the box culvert relaying pushing tow system is also removable including at least one Ground is located at the dragline of the opposite end wall of the pushing tow groove located at the travel mechanism of the pushing tow groove and at least one in the first direction Component, one end of the thrustor is sheathed on the dragline component, and is equipped on the travel mechanism, and the other end is supported or connected It is connected to a box culvert.
Alternatively, the thrustor include be sheathed on the dragline component at least one first jack and connection or The pushing frame component being held between first jack and corresponding box culvert, first jack are equipped on described Travel mechanism.
Alternatively, the travel mechanism includes carrying the plummer of first jack and located at the pushing tow groove An at least roller for bottom wall, the roller are rotatably connected at the plummer.
Alternatively, the roller has a rotating shaft, and the both ends of the rotating shaft are rotatably connected at the plummer respectively.
Alternatively, the dragline component includes more draglines, and the more draglines are mutually arranged side by side.
Alternatively, first jack has the first clamping section for being close in the pushing frame component and with described first The second clamping section that clamping section is oppositely arranged, first clamping section and the second clamping section are sheathed on a dragline component, described First clamping section is held with a firm grip or unclamped in the dragline component, and second clamping section is held with a firm grip or unclamped in the dragline component.
Alternatively, each box culvert is equipped with an at least contiguous block, and one end of the puller system is connected to the company of a box culvert Block is connect, the other end is connected to the contiguous block of another box culvert adjacent thereto.
Alternatively, the puller system includes at least a pulling force rope component and at least a chest expander, the pulling force rope component One end be connected to the contiguous block of a box culvert, the other end movably runs through the contiguous block of another box culvert adjacent thereto, and with One chest expander connects.
Alternatively, the pulling force rope component includes more Gen Lalisuo, and more Gen Lalisuo are mutually arranged side by side；And/or
The chest expander includes the second jack, and second jack has be close in corresponding contiguous block the Three clamping sections and the 4th clamping section being oppositely arranged with the 3rd clamping section, the 3rd clamping section and the 4th clamping section cover Located at a pulling force rope component, the 3rd clamping section is held with a firm grip or unclamped and held with a firm grip in the pulling force rope component, the 4th clamping section Or unclamp in the pulling force rope component.
Alternatively, the dragline component in the first direction on length be more than any one in the second to the n-th section of box culvert along the Length on one direction；And/or
The workbench is additionally provided with predefined region, and the predefined region is adjacent with the described one end of pushing tow groove away from tunnel portal Set, or the predefined region is located at the described one end of pushing tow groove away from tunnel portal；And/or
The thrust device includes at least one the 3rd jack, the 3rd jack between two adjacent box culverts, And the both ends of the 3rd jack support or are connected to respectively two adjacent box culverts；And/or
The workbench is provided with lubricating layer.
Workbench is disposed adjacent with tunnel portal in box culvert relaying pushing tow system of the present invention with travel mechanism, box culvert On workbench, thrustor is located at workbench and is held in a box culvert, and puller system is connected to two adjacent box culverts Between, thrust device is arranged between two adjacent box culverts, wherein, thrustor be used to promoting box culvert on workbench along the Move in one direction；Puller system is used for using the adhesive force of the last period box culvert and the thrustor for supporting or being connected to the box culvert as branch Support, latter section of box culvert is pulled to advance in the first direction；Thrust device, for latter section of box culvert and to support or be connected to box culvert The adhesive force of thrustor is support, promotes the last period box culvert to advance in the first direction.The present invention has the box culvert of travel mechanism Pushing tow system is relayed by setting a set of independent puller system, the second to the n-th section of prefabricated box culvert is drawn from its preform region To the pushing tow region of thrustor, the second to the n-th section of box culvert is extended to so as to avoid the pushing tow region of thrustor The situation of the rear end of preform region, so as to shorten the length in the pushing tow region of thrustor, reduce equipment transport distance and The quantities of construction；Also, construction technology that is prefabricated, once completing pushing tow is used once compared to traditional box culvert incremental launching method, There is the present invention box culvert relaying pushing tow system of travel mechanism to be applied using segmentation box culvert is prefabricated respectively, segmentation box culvert promotes successively Work technology, the thrust that the plant equipment needed for it provides have obtained largely reducing, and realize plant equipment miniaturization Set, and reduce equipment and technology requirement, lifting means stability；
And by being arranged with pushing tow groove in workbench, dragline component is arranged at pushing tow groove, moving machine in the first direction Structure located at pushing tow groove bottom wall and carry the thrustor, the direction of propulsion of the two side of the pushing tow groove of setting to thrustor Play a part of guiding, avoid thrustor and occurring the problem of deviateing default pushing tow circuit during pushing tow box culvert；Also, Dragline component is arranged in pushing tow groove, is avoided dragline component to the inhibition in box culvert moving process, is farthest dropped Low dragline component is to the influence in box culvert moving process.Thrustor is carried out in addition, the travel mechanism set may also function as The effect of support is supported, reduces influence of the gravity of thrustor to dragline component.
Specifically, the box culvert relaying pushing tow system that the present invention has travel mechanism can be applied to heavy in section, super-section In box culvert incremental launching construction, supported at the top of tunneling into the box culvert in tunnel using the pipe canopy of advance support, pushing tow The soil body, the sedimentation in boundary of works area can be effectively controlled, meet the construction requirement of strict control surface subsidence, in particular, For under the loose weak geological conditions such as reclaimation area, caving in risk greatly using the shallow mining method hole body of routine, it is necessary to substantial amounts of Gib, therefore, the box culvert relaying pushing tow system that the present invention has travel mechanism are ensureing construction quality and tunnel safety Meanwhile support work is greatly simplified, save among existing subsurface excavation method, tunnel spray anchor supporting and interim steel construction are installed The time of propping works and expense.And the Tunnel Engineering of existing infrastructure is worn under, the present invention has travel mechanism The segmentation box culvert pushing tow technology that box culvert relaying pushing tow system uses significantly reduces the influence to the operation of existing ground installation.Separately Outside, the present invention has the box culvert relaying pushing tow system of travel mechanism, and platform, case are operated before excavating and in digging process The prefabricated work of the reinforced concrete structures such as culvert, without starting structure construction again after being completed in tunnelling, shorten The overall duration, there is prominent economic benefit.And the present invention has the box culvert relaying pushing tow system of travel mechanism, uses The motive power machine equipment of three kinds of thrustor, puller system and thrust device different-effects, realizes the merogenesis in small space The prefabricated and pushing tow of section, the technology can be applied to more various construction site and more extensive geological conditions, therefore, have Larger promotional value.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation at a visual angle of the embodiment of box culvert relaying pushing tow system one that the present invention has travel mechanism Figure；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is the partial sectional view of the box culvert relaying pushing tow system shown in Fig. 1；
Fig. 4 is the structural representation at another visual angle of the box culvert relaying pushing tow system shown in Fig. 1；
Fig. 5 is the partial enlarged drawing at B in Fig. 4；
Fig. 6 is the structural representation at the another visual angle of the box culvert relaying pushing tow system shown in Fig. 1；
Fig. 7 is the partial enlarged drawing at C in Fig. 6；
Fig. 8 is that there is the present invention box culvert of travel mechanism to relay the part assembling structure signal in the embodiment of pushing tow system one Figure；
Fig. 9 is the partial enlarged drawing at D in Fig. 8；
Figure 10 is the structure that there is the present invention box culvert of travel mechanism to relay the first jack in the embodiment of pushing tow system one Schematic diagram；
Figure 11 is that there is the present invention box culvert of travel mechanism to relay the second jack and a company in the embodiment of pushing tow system one Connect the structural representation of block connection；
Figure 12 be Fig. 1 shown in box culvert relay pushing tow system top view in Starting Well in workbench structural representation Figure；
Figure 13 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system one；
Figure 14 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system two；
Figure 15 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system three；
Figure 16 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system four；
Figure 17 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system five；
Figure 18 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system six；
Figure 19 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system seven；
Figure 20 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system eight；
Figure 21 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system nine；
Figure 22 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system ten；
Figure 23 is the step of there is the present invention box culvert of travel mechanism to relay the course of work of pushing tow system 11.
Drawing reference numeral explanation：
Label Title Label Title
100 Box culvert relays pushing tow system 40 Puller system
10 Workbench 41 Pulling force rope component
11 Pushing tow groove 42 Chest expander
121 Dragline component 421 Second jack
15 Predefined region 4211 3rd clamping section
16 Pushing tow area 4212 4th clamping section
20 Box culvert 50 Thrust device
21 Contiguous block 60 Travel mechanism
201 First paragraph box culvert 61 Plummer
202 Second segment box culvert 62 Roller
203 3rd section of box culvert 621 Rotating shaft
204 4th section of box culvert 200 Tunnel
205 5th section of box culvert 210 Tunnel portal
206 6th section of box culvert 220 Tunnel exit
30 Thrustor 310 Starting Well
31 First jack 320 Reach well
311 First clamping section 330 Pipe canopy
312 Second clamping section 340 Steel-pipe pile
32 Pushing frame component 350 Existing ground installation
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to Show or imply its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " are defined At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical scheme between each embodiment can To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs It is conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection model of application claims Within enclosing.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly, For example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can be mechanically connect or Electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals The interaction relationship of individual element, limited unless otherwise clear and definite.For the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The present invention proposes a kind of box culvert relaying pushing tow system 100 with travel mechanism 60.
Referring to figs. 1 to Figure 23, the box culvert with travel mechanism 60 that the present embodiment proposes relays pushing tow system 100, is used for The pushing tow of box culvert 20 is entered into tunnel 200, including be disposed adjacent with tunnel portal 210 workbench 10, on workbench 10 At least two sections of box culverts 20 of side, the direction for defining the pushing tow of box culvert 20 into tunnel 200 is first direction, defines phase in the first direction The box culvert 20 that anti-second direction is arranged in order be respectively first paragraph box culvert 201 ... and n-th section of box culvert, n >=2, first paragraph case Culvert 201 and second segment box culvert 202 are most prefabricated prior to being spaced on workbench 10, and first paragraph box culvert 201 and second segment box culvert 202 are equal After advancing in the first direction, the 3rd section of box culvert 203 is prefabricated in the original position progress of second segment box culvert 202, to first paragraph case After 201 to the (n-1)th section of box culvert 20 of culvert advances in the first direction, n-th section of box culvert 20 is in the original position of second segment box culvert 202 Carry out prefabricated, box culvert relaying pushing tow system 100 also includes being used for pushing tow and be located at least one of the box culvert 20 before tunnel portal 210 pushing up Pushing device 30, at least puller system 40 that pulls the second to the n-th section of box culvert 20 in the first direction and for by portion Divide or fully enter at least thrust device 50 that the box culvert 20 of tunnel portal 210 promotes in the first direction, puller system 40 It is connected between two adjacent box culverts 20, thrust device 50 is arranged between two adjacent box culverts 20；Workbench 10 is arranged with An at least pushing tow groove 11, box culvert relaying pushing tow system 100 also include at least one travel mechanism for being movably disposed in pushing tow groove 11 60 and at least one in the first direction located at pushing tow groove 11 opposite end wall dragline component 121, thrustor 30 one end set Located at dragline component 121, and travel mechanism 60 is equipped on, the other end supports or be connected to a box culvert 20.
Specifically, the main body of box culvert 20 is reinforced concrete structure.As shown in Fig. 1 to Figure 23, the box culvert 20 of the present embodiment Hop count be six sections, the box culvert with travel mechanism 60 of the present embodiment relays the pushing tow successively in the first direction of pushing tow system 100 Box culvert 20 be respectively：First paragraph box culvert 201, second segment box culvert 202, the 3rd section of box culvert 203, the 4th section of box culvert 204, the 5th section Box culvert 205, the 6th section of box culvert 206.
More specifically, in order to facilitate the construction in the pushing tow tunnel 200 of box culvert 20, in the Xia Chuan areas of existing ground installation 350 Domain both sides need to do temporary shaft, corresponding levelling of the land work and stratum consolidation work；As shown in Figures 1 to 7, existingly The both sides of face facility 350 have excavated Starting Well 310 and have reached well 320 respectively, when tunnel 200 excavates, from the tunnel of Starting Well 310 Gradually tunnel at entrance 210, excavated after the completion of being passed through to tunnel 200 from tunnel exit 220 in arrival well 320, wherein, existingly Face facility 350 can be the existing ground installation of highway, railway etc., not do particular determination herein.The box culvert relaying top of the present invention The workbench 10 of pushing system 100 is the reinforced concrete floor of the predeterminated position cast in situs in Starting Well 310, and, top Each section of box culvert 20 in construction is pushed away, it is middle prefabricated using cast-in-situ steel reinforced concrete progress in Starting Well 310.
As shown in Figures 1 to 7, the side wall of Starting Well 310 and arrival well 320 is mounted on steel-pipe pile 340 and is used as supporting, with Ensure the equipment of construction site and the safety of personnel, it is ensured that incremental launching construction is normally carried out.
As shown in figure 5 and figure 7, the top that tunnel 200 excavates is preset with pipe canopy 330.Wherein, pipe canopy 330 is in tunnel 200 Excavate forward position tunnel excavation contour line outer rim, the row's steel pipe squeezed into by certain spacing level.Due to pipe canopy 330 in the earth formation Play camber effect and reinforce effect, can effectively share load caused by vault country rock, reduce excavation face earth layer in front and held The load received, so as to effectively constrain the deformation of country rock, the risk of vault sinking and excavation face unstability is substantially reduced, therefore, pipe Setting for canopy 330 can provide a kind of advance support to be excavated in the Portal Section soft stratum in tunnel 200.
Workbench 10 is disposed adjacent with tunnel portal 210 in box culvert relaying pushing tow system 100 of the present invention, and box culvert 20 is located at On workbench 10, thrustor 30 is located at workbench 10 and is held in a box culvert 20, and it is adjacent that puller system 40 is connected to two Box culvert 20 between, thrust device 50 is arranged between two adjacent box culverts 20, and the thrustor 30 of setting is used to promote box culvert 20 move along the first direction on workbench 10, and puller system 40 is used for the last period box culvert 20 and supports or be connected to box culvert The adhesive force of 20 thrustor 30 is support, pulls latter section of box culvert 20 to advance in the first direction；Thrust device 50, for The adhesive force of thrustor 30 of the latter section of box culvert 20 with supporting or being connected to the box culvert 20 is support, promotes the last period box culvert 20 Advance in the first direction；Specifically,
Prior to prefabricated first paragraph box culvert 201 and second segment box culvert 202 on workbench 10；
Control thrustor 30 promotes first paragraph box culvert 201 to move along the first direction to the work and put down in workbench 10 Platform 10 stops movement behind one end of tunnel portal 210, and the first paragraph box culvert 201 partly or entirely enters tunnel portal 210；
Puller system 40 is controlled to pull second using the adhesive force that first paragraph box culvert 201 and thrustor 30 provide as support Section box culvert 202 moves along the first direction, to workbench 10 on vacate one close to second segment 202 afterbody in the first direction of box culvert Working position；
Thrustor 30 is moved to working position, and controls thrustor 30 to promote second segment box culvert 202 in the first direction It is moved to afterbody of the first paragraph box culvert 201 away from tunnel portal 210；In the progradation of second segment box culvert 202, in second segment case Contain 202 initial preform region, start prefabricated 3rd section of box culvert 203；
Thrust device 30 is installed on the default position between first paragraph box culvert 201 and second segment box culvert 202, and with second segment The adhesive force that box culvert 202 and thrustor 30 provide is support, promote first paragraph box culvert 201 in tunnel 200 in the first direction It is mobile；
Again, thrustor 30 is controlled to promote second segment box culvert 202 to advance in the first direction, the second segment box culvert 202 Divide or fully enter tunnel portal 210；
......
Above step is repeated, until n-th section of box culvert 20 is moved along the first direction to the afterbody of (n-1)th section of box culvert 20, and is reached To final position.
Need what is illustrated, " control puller system 40 using the adhesive force that first paragraph box culvert 201 and thrustor 30 provide as branch Support, pull second segment box culvert 202 to move along the first direction, to workbench 10 on close to second segment box culvert 202 in the first direction Afterbody vacate a working position " in step, working position can be used for housing and installing thrustor 30 etc., wherein, puller system 40 Pull second segment box culvert 202 to move, to workbench 10 on close to second segment 202 afterbody in the first direction of box culvert vacate a work After making position, need to be reserved with the sky for the dismounting displacement of thrustor 30 etc. between first paragraph box culvert 201 and second segment box culvert 202 Between, and the rear pushing tow groove 11 of box culvert 202 is located at the length of work bit position can house thrustor 30, of courses, working position institute Region may also include for the preform region of prefabricated second segment box culvert 202 space (all or part) or Person is accommodating and installs the space of other devices or the space of construction for other processes etc., the tool on the working position Body space, the size of area are not particularly limited herein；Thrustor 30 promotes second segment box culvert 202 along first in the working position Direction is moved to afterbody of the first paragraph box culvert 201 away from tunnel portal 210, and the working position can be located at first paragraph box culvert 201 most First position or the original position of second segment box culvert 202 or the original position of first paragraph box culvert 201 and second segment box culvert 202 Original position between region.That is, where side of the original position of second segment box culvert 202 away from tunnel portal 210 Region need not reserve a working region, therefore, the pushing tow region for avoiding thrustor 30 extends to the second to the n-th section of box culvert The situation of the rear end of 20 initial preform regions, so as to shorten the length in the pushing tow region of thrustor 30, reduce equipment Transport distance and the quantities of construction.
Finally, sealing is reinforced by pouring etc. working procedure between every two adjacent box culverts 20, completes box culvert 20 and pass through Tunnel 200.Specifically, when all 20 equal pushing tow to final positions of box culvert, using cast-in-situ steel reinforced concrete and it is in the milk Mode connect it is integral.Therefore the cohesive position in box culvert 20 need to be reserved with connection position, including splice, grout pipe etc., This is no longer repeated one by one.
During the pushing tow of the last period box culvert 20, continue the prefabricated of next section of box culvert 20.Prefabricated one section of box culvert 20 Time of one section of box culvert 20 of time and pushing tow control in identical duration, for progress as guarantee, excavate and pushing tow work Make to continue to carry out, so so that place, plant equipment and worker obtain most efficiently utilizing, and meet narrow job site Requirement, also substantially reduce the duration.
In addition, pipe canopy 330 lower section of the excavation in tunnel 200 along advance support is progressively tunneled, and the driving speed in tunnel 200 Spend and match with the fltting speed of box culvert 20.That is, the excavation on the stratum of tunnel 200 will strictly control driving speed and excavate position, Unprotect segment length between the excavation face in the front end of box culvert 20 and tunnel 200 must not exceed certain value, of course, the certain value by Excavation place in concrete application is determined.
In specific construction process, often run into that construction site is narrow, Starting Well 310 and reach well 320 The situations such as shaft excavation difficulty.There is the present invention box culvert of travel mechanism 60 to relay pushing tow system 100 by setting a set of independence Puller system 40, prefabricated the second to the n-th section of box culvert 20 is pulled to the pushing tow region of thrustor 30 from its preform region, from And the pushing tow region for avoiding thrustor 30 extends to the situation of the preform region of the second to the n-th section of box culvert 20, so as to The length in the pushing tow region of thrustor 30 is shortened, reduces the quantities of equipment transport distance and construction；Also, compared to Traditional box culvert incremental launching method is using construction technology that is once prefabricated, once completing pushing tow, box culvert relaying pushing tow system 100 of the present invention The construction technology distinguished prefabricated, segmentation box culvert 20 using box culvert 20 is segmented and promoted successively, what the plant equipment needed for it provided pushes away Power has obtained largely reducing, and realizes the setting of plant equipment miniaturization, and reduces equipment and technology requirement, lifting means Stability.
In addition, workbench 10 is arranged with an at least pushing tow groove 11, box culvert relaying pushing tow system 100 can also including at least one Movably it is located at leading for the opposite end wall of pushing tow groove 11 in the first direction located at the travel mechanism 60 of pushing tow groove 11 and at least one Rope component 121, one end of thrustor 30 is sheathed on dragline component 121, and is equipped on travel mechanism 60, and the other end is supported or connected It is connected to a box culvert 20；Specifically, the regional extent where the pushing tow groove 11 of workbench 10 forms a pushing tow area 16, thrustor 30 are partially accommodated in pushing tow groove 11 and are located at the dragline component 121, by setting pushing tow groove 11, the two lateral walls of pushing tow groove 11 Guiding is played a part of to the direction of propulsion of thrustor 30, thrustor 30 is avoided and occurs during pushing tow box culvert 20 partially The problem of from default pushing tow circuit；Also, dragline component 121 is arranged in pushing tow groove 11, dragline component 121 is avoided to box culvert Inhibition in 20 moving process, dragline component 121 is farthest reduced to the influence in the moving process of box culvert 20.This Outside, the travel mechanism 60 of setting may also function as the effect that support is supported to thrustor 30, reduce the weight of thrustor 30 Influence of the power to dragline component 121.
More specifically, by setting one end of thrustor 30 to be sheathed on dragline component 121, the pushing tow mistake of thrustor 30 Cheng Zhong, coupling mechanism force that dragline component 121 provided is lock onto as support using thrustor 30, and, utilize the institute of thrustor 30 The motive force of offer puts on box culvert 20, and box culvert 20 is pushed ahead.Herein, dragline component 121 and pushing tow groove 11 can at least rise To effect have：The side wall of pushing tow groove 11 can be oriented to the pushing tow of thrustor 30, and dragline component 121, which is hidden, is contained in top Push away in groove 11, avoid dragline component 121 to the inhibition in the moving process of box culvert 20, farthest reduce dragline group Part 121 is to the influence in the moving process of box culvert 20；Compared to structures such as the pushing reaction walls set in traditional box culvert incremental launching construction, Dragline component 121 is contained in pushing tow groove 11 by hiding in box culvert relaying pushing tow system 100 of the present invention, is more efficiently utilized Space of narrow construction site etc..
The box culvert relaying pushing tow system 100 that the present invention has travel mechanism 60 can be applied to heavy in section, the case of super-section Contain in incremental launching construction, tunneling is supported into the box culvert 20 in tunnel 200 using the pipe canopy 330 of advance support, pushing tow The soil body at 200 tops, can effectively control the sedimentation in boundary of works area, and the construction for meeting strict control surface subsidence will Ask, it is in particular, big using the shallow mining method hole body of routine risk of caving in under the loose weak geological conditions such as reclaimation area, Substantial amounts of gib is needed, therefore, box culvert relaying pushing tow system 100 of the present invention is ensureing construction quality and the safety of tunnel 200 While, support work is greatly simplified, is saved among existing subsurface excavation method, tunnel spray anchor supporting and temporary steel knot are installed The time of structure propping works and expense.And the Tunnel Engineering of existing infrastructure is worn under, box culvert of the present invention relays pushing tow The segmentation box culvert pushing tow technology that system 100 uses significantly reduces the influence to the operation of existing ground installation 350.In addition, this Invention box culvert relaying pushing tow system 100, the reinforced concretes such as platform 10, box culvert 20 are operated before excavating and in digging process The prefabricated work of soil structure, complete to start structure construction again afterwards without excavating in tunnel 200, shorten overall work Phase, there is prominent economic benefit.And box culvert relaying pushing tow system 100 of the present invention, using thrustor 30, puller system 40 and the motive power machine equipment of 50 3 kinds of different-effects of thrust device, the segmented prefabricated and pushing tow in small space is realized, The technology can be applied to more various construction site and more extensive geological conditions, therefore, there is larger promotion price Value.
Preferably, the quantity of thrustor 30 is two, and two thrustors 30 are spaced the edge for being held in a box culvert 20 Afterbody on first direction, pass through the motive force for controlling two thrustors 30 to export respectively so that box culvert 20 is in the first direction The process of upper pushing tow is carried out steadily, the problem of avoiding the pushing tow circuit of box culvert 20 from deviateing；Or the quantity of thrustor 30 is Three, three thrustors 30 be spaced be held in a box culvert 20 in the first direction on afterbody, pass through and control three pushing tows The thrust that device 30 exports respectively so that the upper process promoted is carried out box culvert 20 steadily in the first direction, avoids box culvert 20 from promoting The problem of circuit deviates, and relative to the situation of two thrustors 30, set three thrustors 30 ensureing pushing tow In the case of dynamic balance, the gross thrust of thrustor 30 is improved, pushing tow process is more smooth and quick.Of course, specifically should In, the quantity of thrustor 30 can also increase or reduce, and be not particularly limited herein.
Similarly, it is preferable that the quantity of puller system 40 is alternatively two or three, two or three puller systems 40 Interval is connected between two adjacent box culverts 20, by the pulling force for controlling this two or three puller systems 40 export respectively, In the case where ensureing that puller system 40 provides enough pulling force so that box culvert 20 in the first direction on the process that draws in enter steadily OK, avoid box culvert 20 from drawing in the problem of circuit deviates, of course, in concrete application, the quantity of puller system 40 can also increase Add or reduce, be not particularly limited herein.
Similarly, it is preferable that the quantity of thrust device 50 is alternatively multiple, and the plurality of thrust device 50 is arranged at intervals at two-phase Between adjacent box culvert 20, by the pulling force for controlling the plurality of thrust device 50 to export respectively, foot is provided in guarantee thrust device 50 In the case of enough thrust so that box culvert 20 is carried out steadily in the process above promoted in the first direction in tunnel 200, avoids box culvert 20 The problem of promoting circuit to deviate, of courses, and in concrete application, the quantity of thrust device 50 can also increase or reduce, This is not particularly limited.
Further, in the lump shown in reference picture 3 and Fig. 9, the thrustor 30 of the present embodiment includes being sheathed on dragline component 121 at least one first jack 31 and connection or the top being held between the first jack 31 and corresponding box culvert 20 Push bracket component 32, the first jack 31 are equipped on travel mechanism 60.
Specifically, in order to ensure that thrustor 30 provides stable motive force, the thrustor 30 of the present embodiment is by setting Put the first jack 31 and be sheathed on dragline component 121, during the pushing tow of thrustor 30, dragline is lock onto with the first jack 31 The coupling mechanism force that component 121 is provided is support, and, the motive force provided in piston movement using the first jack 31 is applied Pushing frame component 32 is added on, stably promotes box culvert 20 to push ahead by pushing frame component 32.The 1000th of thrustor 30 Jin top 31 and dragline component 121 are respectively positioned on underground (in pushing tow groove 11), the effect with security protection.Wherein, the 1000th is set Jin top 31 is equipped on travel mechanism 60, is convenient to what the first jack 31 during the pushing tow of thrustor 30 was carried out on its stroke It is mobile or when thrustor 30 being moved into the next section of afterbody of box culvert 20 carrying out that pushing tow works next time, it is convenient to the The movement of one jack 31；Travel mechanism 60 may also function as the effect that support is supported to thrustor 30, reduce the 1000th Influence of the gravity on jin top 31 to dragline component 121.
Need what is illustrated, pushing frame component 32 is removably connected to the first jack 31, also, the first jack 31 can be locked Tightly in dragline component 121, or move relative to dragline component 121.The pushing tow process of thrustor 30 terminates that next section need to be carried out During the pushing tow step of box culvert 20, pushing frame component 32 is disassembled, also, movable sleeving is located at dragline component in a second direction 121 the first jack 31, is shifted in the afterbody of next section of box culvert 20 to the first jack 31, pushing frame component 32 is connected or It is held between the first jack 31 and the afterbody of next section of box culvert 20, is that thrustor 30 walks to the pushing tow of next section of box culvert 20 Suddenly prepare.
Further, in the lump shown in reference picture 3 and Fig. 9, the travel mechanism 60 of the present embodiment includes carrying the first jack At least a roller 62, the roller 62 of 31 plummer 61 and bottom wall located at pushing tow groove 11 are rotatably connected at plummer 61. Specifically, the plummer 61 of setting is used to carry the first jack 31, reduces the gravity of the first jack 31 to dragline component 121 Influence, also, set roller 62 be rotatably connected at plummer 61, using roller 62 rolling by the way of, realize movement The movement of mechanism 60, the mobile thrust that conveniently moving is quick, required is small, practicality simple in construction and reasonable in design.
Further, shown in reference picture 9, roller 62 has a rotating shaft 621, and the both ends of rotating shaft 621 rotationally connect respectively It is connected to plummer 61, i.e. roller 62 is rotatably connected at plummer 61 by rotating shaft 621, simple and practical.
Further, in the lump shown in reference picture 2 and Figure 12, workbench 10 is additionally provided with predefined region 15, predefined region 15 and top Push away the one end of groove 11 away from tunnel portal 210 to be disposed adjacent, or predefined region 15 is located at pushing tow groove 11 away from tunnel portal 210 One end.Herein, predefined region 15 is used for the prefabricated place of the second to the n-th section of box culvert 20.That is, the first paragraph box culvert of the present embodiment 201 carry out the prefabricated of box culvert 20 in pushing tow area 16, and remaining predefined region 15 of each section of box culvert 20 in the first direction rearward is prefabricated.
Specifically, the length of each section of box culvert 20 according to the actual total length in tunnel 200 to be traversed, pushing tow place it is big The factors such as the small and thrust of incremental launching device determine.For example, when tunnel 200 is always about 70m, it can be used for case in Starting Well 310 Contain the place length about 50m of 20 prefabricated constructions and the pushing process of box culvert 20.Among concrete application, it is contemplated that the weight of box culvert 20, The maximum pull that maximum thrust that thrustor 30 and thrust device 50 are provided, puller system 40 are provided, and pushing tow dress It is unsuitable to put propelling resistance suffered in 30, thrust device 50 and the course of work of puller system 40 etc. factor, every section of box culvert 20 It is long, average about 15m.First paragraph box culvert 201 is prefabricated in pushing tow area 16, and remaining each section of box culvert 20 is prefabricated in predefined region 15, after Continue each section of box culvert 20 and pushing tow area 16, therefore the length about 30m of pushing tow area 16 are pulled to by puller system 40, need not extend to predefined region 15 end.More specifically, pushing tow area 16 among predefined region 15 with that can keep a range of space, to ensure other work Program is normally carried out, the transporting of such as displacement of pushing frame component 32, mining clay, the handling of prefabricated materials.
Further, the dragline component 121 of the present embodiment includes more draglines (not shown), and more draglines are mutually set side by side Put, and more draglines are in mutually near cylindrical afterwards side by side, i.e. the circumference of dragline component 121 has more draglines to enclose to form one Circle, when the first jack 31 is arranged and lock onto dragline component 121, the stress that may be such that the first jack 31 is more preferably locked It is more efficient；Preferably, dragline is steel strand wires, and dragline component 121 is mutually twisted by more steel strand wires.
Further, in the lump shown in reference picture 9 and Figure 10, the first jack 31 has be close in pushing frame component 32 the One clamping section 311 and the second clamping section 312 being oppositely arranged with the first clamping section 311, the first clamping section 311 and the second clamping section 312 are sheathed on a dragline component 121, and the first clamping section 311 is held with a firm grip or unclamped and held in dragline component 121, the second clamping section 312 Tightly or unclamp in dragline component 121.
Specifically, the first clamping section 311 and the second clamping section 312 " can hold " dragline component by way of holding with a firm grip certainly 121, or unclamp in dragline component 121；During pushing tow, the second clamping section 312 is held with a firm grip provides coupling mechanism force in dragline component 121, First clamping section 311 is unclamped to be supplied to the motive force of pushing frame component 32 1, passes through top in dragline component 121, the first jack 31 Push bracket component 32 promotes box culvert 20 to advance in the first direction, so as to realize the propulsion of box culvert 20；After the pushing tow of first jack 31, First clamping section 311 hold with a firm grip in dragline component 121 and provide a coupling mechanism force, the second clamping section 312 unclamp in dragline component 121 with Make the piston return of the first jack 31, prepared for the work of pushing tow next time.
More specifically, the second clamping section 312 is connected with the piston of the first jack 31, is carried with the motion of piston Rise.After piston reaches stroke distalmost end, the first clamping section 311 is tightened up, and the second clamping section 312 is loosened, and piston return prepares next Individual circulation.
The present invention has the step of prefabricated box culvert 20 of the box culvert relaying pushing tow system 100 of travel mechanism 60 and pushing tow process It is as follows：
If Figure 12 to the dotted line frame marked in Figure 23 is the location of the steel-pipe pile at the edge of Starting Well 310, the void (namely in Starting Well 310) is that workbench 10 is used for that box culvert 20 to be prefabricated and place of pushing tow in wire frame.
As shown in figure 13, the step of course of work of box culvert relaying pushing tow system 100 of the present invention one, prior to workbench 10 Pushing tow area 16 and predefined region 15 distinguish prefabricated first paragraph box culvert 201 and second segment box culvert 202；After prefabricated, pushing tow is filled 30 pushing frame component 32 is put to be installed and connected in the first jack 31 (wherein, the first jack 31 penetrates in pushing tow groove 11 leads Installed in the lump during rope component 121), and thrustor 30 is placed in the afterbody of first paragraph box culvert 201, is thrustor 30 to the The pushing tow of one section of box culvert 201 is prepared；
As shown in figure 14, the step of course of work of box culvert relaying pushing tow system 100 of the present invention two, by controlling pushing tow to fill 30 offer thrusts are put, by first paragraph box culvert 201 from its former prefabricated position pushing tow position shown in first paragraph box culvert 201 into the figure；
As shown in figure 15, the step of course of work of box culvert relaying pushing tow system 100 of the present invention three, the pushing tow of second step After the pushing tow of device 30 terminates, thrustor 30 keeps being held at the afterbody of first paragraph box culvert 201, by the both ends of puller system 40 It is installed between first paragraph box culvert 201 and second segment box culvert 202, then, is provided with first paragraph box culvert 201 and thrustor 30 Adhesive force is support, by controlling puller system 40 that second segment box culvert 202 is pulled into pushing tow area 16 from predefined region 15；
As shown in figure 16, the step of course of work of box culvert of the present invention relaying pushing tow system 100 four, by thrustor 30 Point or all dismountings, and the thrustor 30 movement is attached to the afterbody of second segment box culvert 202, is thrustor 30 to the The pushing tow of two sections of box culverts 201 is prepared；
As shown in figure 17, the step of course of work of box culvert relaying pushing tow system 100 of the present invention five, by controlling pushing tow to fill 30 offer thrusts are put, by the pushing tow of second segment box culvert 202, to the stem and the afterbody phase of first paragraph box culvert 201 of second segment box culvert 202 Even；In the progradation of second segment box culvert 202, the 3rd section of case is carried out at the predefined region 15 where second segment box culvert 202 is original Contain 203 it is prefabricated；
As shown in figure 18, the step of course of work of box culvert relaying pushing tow system 100 of the present invention six, thrust device 50 is pacified At the preformed groove position between first paragraph box culvert 201 and second segment box culvert 202, by controlling thrust device 50 with second segment case The adhesive force of culvert 202 and thrustor 30 is support, after promoting first paragraph box culvert 201 to promote preset distance in the first direction, then Secondary, control thrust device 50 promotes second segment box culvert 202 to advance in the first direction, then control thrustor 30 to promote second Section box culvert 202 advances in the first direction so to be circulated one to multiple time, until first paragraph box culvert 201 and second segment box culvert 202 move To position shown in this Fig；
As shown in figure 19, the step of course of work of box culvert relaying pushing tow system 100 of the present invention seven, repeats above step Afterwards, into the diagram, first paragraph box culvert 201, second segment box culvert 202, the 3rd section of box culvert 203, the 4th section of box culvert 204 are complete Enter tunnel 200 entirely；Wherein, using the thrust device 50 between first paragraph box culvert 201 and second segment box culvert 202, with second segment Box culvert 202 is support, promotes first paragraph box culvert 201 to promote in the first direction；Similarly, second segment box culvert 202 and the 3rd section are utilized Thrust device 50 between box culvert 203, it is support with the 3rd section of box culvert 203, promotes second segment box culvert 202 to push away in the first direction Enter, in addition, the 3rd section of box culvert 203 and the 4th section of box culvert 204 use the same manner in propulsion in tunnel 200；Now, pushing tow fills The 5th section of box culvert 205 of 30 promotions is put, enters tunnel 200 to the 5th section of part of box culvert 205；
As shown in figure 20, the step of course of work of box culvert relaying pushing tow system of the present invention eight, by the two of puller system 40 End is installed between the 5th section of box culvert 205 and the 6th section of box culvert 206, then, is provided with the 5th section of box culvert 205 and thrustor 30 Adhesive force for support, by controlling puller system 40 that the 6th section of box culvert 206 is pulled into pushing tow area 16 from predefined region 15；
As shown in figure 21, the step of course of work of box culvert of the present invention relaying pushing tow system 100 nine, by thrustor 30 Point or all dismountings, and the thrustor 30 movement is attached to the afterbody of the 6th section of box culvert 206, is thrustor 30 to the The pushing tow of six sections of box culverts 206 is prepared；
As shown in figure 22, the step of course of work of box culvert relaying pushing tow system 100 of the present invention ten, by controlling pushing tow to fill 30 offer thrusts are put, by the 6th section of pushing tow of box culvert 206, to the stem and the afterbody phase of the 5th section of box culvert 205 of the 6th section of box culvert 206 Even；
As shown in figure 23, the step of course of work of box culvert relaying pushing tow system 100 of the present invention 11, by thrust device 50 It is installed at the preformed groove position between the 5th section of box culvert 205 and the 6th section of box culvert 206；First, by control thrust device 50 with The adhesive force of second to the 6th section of box culvert 206 and thrustor 30 is support, promotes first paragraph box culvert 201 to promote in the first direction Preset distance, again, by controlling thrust device 50 using the adhesive force of the 3rd to the 6th section of box culvert 206 and thrustor 30 as branch Support, second segment box culvert 202 is promoted to promote preset distance in the first direction；Similarly, until thrust device 50 is with the 6th section of box culvert 206 and thrustor 30 adhesive force for support, promote the 5th section of box culvert 205 promote preset distance in the first direction, then control Thrustor 30 processed promotes the 6th section of box culvert 206 to promote in the first direction, controls thrust device 50 to promote second segment box culvert again 202 advance in the first direction, so circulate one to multiple time, until first paragraph box culvert 201 to the 6th section of box culvert 206 is moved to the figure Shown in final position, complete the relaying pushing tow process of whole multistage box culvert 20, urging portion construction all terminates.
Further, in the lump shown in reference picture 2, Figure 15 and Figure 20, each box culvert 20 of the present embodiment is equipped with least one Contiguous block 21, one end of puller system 40 are connected to the contiguous block 21 of a box culvert 20, and the other end is connected to adjacent thereto another The contiguous block 21 of box culvert 20.Specifically, by setting an at least contiguous block 21 in each box culvert 20, and, puller system 40 Both ends are connected to the contiguous block 21 of two adjacent box culverts 20, and the contiguous block 21 of the two adjacent box culvert 20 is used to fill for pulling force Put 40 stress point for drawing in process and the impetus of support being provided and pulled；More specifically, before to be arranged on first direction One section of box culvert 20 is support impetus, and puller system 40 forces in latter section of box culvert 20 so that latter section of box culvert 20 is relative to preceding One section of box culvert 20 produces displacement, i.e. so that latter section of box culvert 20 moves ahead in the first direction, it is thrustor into pushing tow area 16 30 pushing tow work is prepared.
Wherein, contiguous block 21 may be disposed at the inwall of box culvert 20, it is preferable that as shown in Fig. 2 contiguous block 21 is arranged at box culvert Bottom wall inside 20, also, contiguous block 21 is arranged to interim reinforced concrete structure, to ensure the intensity of contiguous block 21；The company for the treatment of Connect after the use of block 21 terminates, contiguous block 21 can be removed.
Further, the puller system 40 of the present embodiment includes at least a pulling force rope component 41 and at least one chest expander 42, One end of pulling force rope component 41 is connected to the contiguous block 21 of a box culvert 20, and the other end movably runs through another case adjacent thereto Contain 20 contiguous block 21, and be connected with a chest expander 42.Specifically, with the last period box culvert 20 of the box culvert 20 where chest expander 42 To support impetus, chest expander 42 is held in corresponding contiguous block 21, and pulls the one of connected pulling force rope component 41 End so that contiguous block 21 produces displacement relative to pulling force rope component 41, i.e. so that box culvert 20 along first corresponding to the contiguous block 21 Direction moves ahead, and into pushing tow area 16, is prepared for the pushing tow work of thrustor 30.
Further, the pulling force rope component 41 of the present embodiment includes more Gen Lalisuo (not shown), and more Gen Lalisuo are mutual It is arranged side by side, and more Gen Lalisuo are in mutually near cylindrical afterwards side by side, i.e. the circumference of pulling force rope component 41 has more Gen Lalisuo Enclose to form a circle, when chest expander 42 is arranged and lock onto pulling force rope component 41, the stress that may be such that chest expander 42 is more preferably locked It is tight more efficient；Preferably, pulling force rope is steel strand wires, and pulling force rope component 41 is mutually twisted by more steel strand wires.Further Ground, in the lump reference picture 11, Figure 15 and Figure 20, chest expander 42 include the second jack 421, and the second jack 421, which has, to be close in 3rd clamping section 4211 of corresponding contiguous block 21 and the 4th clamping section 4212 being oppositely arranged with the 3rd clamping section 4211, 3rd clamping section 4211 and the 4th clamping section 4212 are sheathed on a pulling force rope component 41, and the 3rd clamping section 4211 is held with a firm grip or unclamped In pulling force rope component 41, the 4th clamping section 4212 is held with a firm grip or unclamped in pulling force rope component 41.
Specifically, the 3rd clamping section 4211 and the 4th clamping section 4212 " can hold " pulling force rope by way of holding with a firm grip certainly Component 41, or unclamp in pulling force rope component 41；During box culvert 20 is drawn in, the 4th clamping section 4212 is held with a firm grip in pulling force rope component 41 and coupling mechanism force is provided, the 3rd clamping section 4211 is unclamped to be supplied to corresponding in pulling force rope component 41, the second jack 421 The motive force of contiguous block 21 1, corresponding box culvert 20 is pulled to advance in the first direction by contiguous block 21, so as to realize with the last period The counter-force that box culvert 20 is provided with the thrustor 30 for being held in this section of box culvert 20 is support, pulls latter section of box culvert 20 along first Advance in direction；After second jack 421 pulls the latter section of box culvert 20, the 3rd clamping section 4211 is held with a firm grip in pulling force rope component 41 And a coupling mechanism force is provided, the 4th clamping section 4212 is unclamped in pulling force rope component 41 so that the piston return of the second jack 421, is Pulling force work next time is prepared.
More specifically, the 4th clamping section 4212 is connected with the piston of the second jack 421, is carried with the motion of piston Rise.After piston reaches stroke distalmost end, the 3rd clamping section 4211 is tightened up, and the 4th clamping section 4212 is loosened, under piston return prepares One circulation.
It should be noted that after box culvert 20 draws in process, puller system 40 is removable to be unloaded down, waits case next time Contain 20 when drawing in process and starting, then installed and used.
Further, in order to ensure that thrustor 30 is smoothed out to the pushing tow of box culvert 20, dragline component in the present embodiment 121 in the first direction on length be more than any one in the second to the n-th section of box culvert 20 in the first direction on length.Specifically, First paragraph box culvert 201 carried out in pushing tow area 16 it is prefabricated, therefore 201 need of first paragraph box culvert by thrustor 30 in the first direction Pushing tow, therefore, during prefabricated first paragraph box culvert 201, the prefabricated position of first paragraph box culvert 201 can partly be located at dragline component 121 top, remainder are located at workbench 10 close to one end of tunnel portal 210, therefore, the edge of first paragraph box culvert 201 Length on first direction can be more than dragline component 121 in the first direction on length.It will be understood, first paragraph box culvert 201 in the first direction on length be also smaller than or equal to dragline component 121 in the first direction on length.And by Any one in the second to the n-th section of box culvert 20 is both needed to draw in process, thrustor by prefabrication process, puller system 40 30 pushing tow process, therefore, any one in the second to the n-th section of box culvert 20, top is turned to by the process that draws in of puller system 40 During the pushing tow process of pushing device 30, it is both needed to that thrustor 30 is moved to and is installed on the tail end of this section of box culvert 20, and due to top The limitation of pushing device 30 and dragline component 121, any one in the second to the n-th section of box culvert 20 in the first direction on length be respectively less than Dragline component 121 in the first direction on length.
Further, in order to ensure that thrust device 50 provides stable motive force, thrust device 50 includes at least one the 3rd Jack (not shown), the 3rd jack between two adjacent box culverts 20, and the both ends of the 3rd jack support respectively or It is connected to two adjacent box culverts 20.Preferably, each box culvert 20 in the first direction on stem and afterbody be respectively arranged with phase The preformed groove position (not shown) of adaptation, during for being moved to the afterbody of the last period box culvert 20 in the stem of latter section of box culvert 20, At least one the 3rd jack is installed in the preformed groove position；All forward steps of box culvert 20 terminate and proceed by box culvert During 20 connection, to carrying out pouring sealing at the preformed groove position.Specifically, in the progradation of thrust device 50, with box culvert below 20 and thrustor 30 provide counter-force be support force, the last period box culvert 20 is pushed ahead using the 3rd jack.Specifically should In, the both ends of the 3rd jack are held between two adjacent box culverts 20；Or the 3rd one end of jack be held in two One of both adjacent box culverts 20 person, the other end are connected to the another one of the rwo；Or the 3rd the both ends of jack connect It is connected between two adjacent box culverts 20, of courses, can be configured in concrete application according to actual conditions, do not make special limit herein It is fixed.
Further, the workbench 10 of the present embodiment is provided with lubricating layer, by setting lubricating layer, reduces box culvert 20 and moves Frictional resistance when dynamic between box culvert 20 and ground, to reduce the jacking force of motive power machine equipment or pulling force, dynamic power machine is set It is standby that miniaturization setting can be achieved.Alternatively, lubricating layer is made up of snow oil and veneer, is of coursed, in concrete application, lubricating layer is also It can use other that there is the material of lubrication property, not do particular determination herein.Specifically, start in the precast construction of box culvert 20 Before, first the place of workbench 10 is cleaned, snow oil is then uniformly smeared in the range of the preform region of prefabricated box culvert 20, Veneer is covered on snow oil, to reduce frictional resistance when box culvert 20 moves between box culvert 20 and the ground of workbench 10.
Preferably, the first jack 31, the second jack 421 and the 3rd jack use hydraulic jack；Specifically, The hydraulic system that first jack 31, the second jack 421 and the 3rd jack are formed, is controlled using electronic technology.More For preferably, the quantity of the first jack 31, the second jack 421 and the 3rd jack can be one or more.Alternatively, first The quantity of jack 31, the second jack 421 and the 3rd jack is multiple, is controlled in time by using electronic technology control The load of the oil pressure pump of each first jack 31 is made, with the synchronization of the displacement of box culvert corresponding to holding 20, and can be recorded in real time The stroke of each piston；Or control the oil pressure pump of each second jack 421 in time by using electronic technology control Load, with the synchronization of the displacement of box culvert corresponding to holding 20, and the stroke of each piston can be recorded in real time；Or by using Electronic technology control controls the load of the oil pressure pump of each 3rd jack in time, with the same of the displacement of box culvert corresponding to holding 20 Step, and the stroke of each piston can be recorded in real time.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in the scope of patent protection of the present invention.

Claims (10)

  1. A kind of 1. box culvert relaying pushing tow system with travel mechanism, for box culvert pushing tow to be entered into tunnel, it is characterised in that including The workbench being disposed adjacent with tunnel portal, at least two sections of box culverts on the workbench, define the box culvert top The direction for being advanced into tunnel is first direction, and it is respectively the to define the box culvert arranged along the opposite second direction of the first direction One section of box culvert ... and n-th section of box culvert, n >=2, the first paragraph box culvert and second segment box culvert are most prior between on the workbench Every prefabricated, after first paragraph box culvert and second segment box culvert advance in the first direction, the 3rd section of box culvert is in the second segment box culvert Original position carry out it is prefabricated, to first paragraph box culvert to (n-1)th section of box culvert in the first direction advance after, n-th section of box culvert in The original position progress of the second segment box culvert is prefabricated, and the box culvert relaying pushing tow system also includes positioned at tunnel entering for pushing tow An at least thrustor for box culvert before mouthful, at least pulling force dress for the second to the n-th section of box culvert to be pulled in the first direction Put and at least thrust device for some or all of box culvert into tunnel portal to be promoted in the first direction, it is described Puller system is connected between two adjacent box culverts, and the thrust device is arranged between two adjacent box culverts；
    The workbench is arranged with an at least pushing tow groove, and the box culvert relaying pushing tow system is also movably set including at least one It is located at the dragline component of the opposite end wall of the pushing tow groove in the first direction in the travel mechanism of the pushing tow groove and at least one, One end of the thrustor is sheathed on the dragline component, and is equipped on the travel mechanism, and the other end is supported or is connected to One box culvert.
  2. 2. box culvert as claimed in claim 1 relays pushing tow system, it is characterised in that the thrustor is described including being sheathed on At least one first jack of dragline component and connection are held between first jack and corresponding box culvert Pushing frame component, first jack are equipped on the travel mechanism.
  3. 3. box culvert as claimed in claim 2 relays pushing tow system, it is characterised in that the travel mechanism includes carrying described the An at least roller for the plummer of one jack and bottom wall located at the pushing tow groove, the roller are rotatably connected at institute State plummer.
  4. 4. box culvert as claimed in claim 3 relays pushing tow system, it is characterised in that the roller has a rotating shaft, described turn The both ends of axle are rotatably connected at the plummer respectively.
  5. 5. box culvert as claimed in claim 1 relays pushing tow system, it is characterised in that the dragline component includes more draglines, The more draglines are mutually arranged side by side.
  6. 6. box culvert as claimed in claim 2 relays pushing tow system, it is characterised in that first jack, which has, is close in institute The second clamping section stated the first clamping section of pushing frame component and be oppositely arranged with first clamping section, first clamping section A dragline component is sheathed on the second clamping section, first clamping section is held with a firm grip or unclamped in the dragline component, and described Hold with a firm grip or unclamp in the dragline component in two clamping sections.
  7. 7. as any one of claim 1-6 box culvert relaying pushing tow system, it is characterised in that each box culvert be equipped with to A few contiguous block, one end of the puller system are connected to the contiguous block of a box culvert, and the other end is connected to adjacent thereto another The contiguous block of box culvert.
  8. 8. box culvert as claimed in claim 7 relays pushing tow system, it is characterised in that the puller system includes an at least pulling force Rope component and at least a chest expander, one end of the pulling force rope component are connected to the contiguous block of a box culvert, and the other end is movably Through the contiguous block of another box culvert adjacent thereto, and it is connected with a chest expander.
  9. 9. box culvert as claimed in claim 8 relays pushing tow system, it is characterised in that the pulling force rope component includes more pulling force Rope, more Gen Lalisuo are mutually arranged side by side；And/or
    The chest expander includes the second jack, and second jack, which has, supports or be connected to corresponding contiguous block 3rd clamping section and the 4th clamping section being oppositely arranged with the 3rd clamping section, the 3rd clamping section and the 4th clamping section are equal A pulling force rope component is sheathed on, the 3rd clamping section is held with a firm grip or unclamped and held in the pulling force rope component, the 4th clamping section Tightly or unclamp in the pulling force rope component.
  10. 10. the box culvert relaying pushing tow system as any one of claim 1-6, it is characterised in that the dragline component edge Length on first direction be more than any one in the second to the n-th section of box culvert in the first direction on length；And/or
    The workbench is additionally provided with predefined region, and the predefined region is adjacent with the described one end of pushing tow groove away from tunnel portal to be set Put, or the predefined region is located at the described one end of pushing tow groove away from tunnel portal；And/or
    The thrust device includes at least one the 3rd jack, and the 3rd jack is between two adjacent box culverts, and institute The both ends for stating the 3rd jack support or are connected to respectively two adjacent box culverts；And/or
    The workbench is provided with lubricating layer.
CN201710982531.9A 2017-10-19 2017-10-19 Box culvert with mobile mechanism relays pushing tow system Active CN107747494B (en)

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CN201710982531.9A CN107747494B (en) 2017-10-19 2017-10-19 Box culvert with mobile mechanism relays pushing tow system
PCT/CN2018/088437 WO2019076056A1 (en) 2017-10-19 2018-05-25 Box culvert relay jacking system having movable mechanism

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