CN209260577U - The replacement system of highway line bridge - Google Patents

Abstract

The utility model discloses a kind of replacement systems of highway line bridge, comprising: carries beam support on the back, each carrying beam support on the back includes a pair of of movable stand；The movable stand include support frame and be detachably mounted to support frame lower surface at least two pairs of supporting legs；Two pairs of supporting legs are separately positioned on the quadrangle of the lower surface of support frame as described above；Mobile device, carry beam support described in each pair of mobile device corresponding one on the back, each mobile device is corresponded with movable stand, and the mobile device can be moved to below the support frame of corresponding movable stand, and corresponding a pair of of movable stand can be synchronized jack-up and transferred after being moved to design bridge location by a pair of of mobile device.The utility model has many advantages, such as movement stabilization and quick and low traffic impact of constructing, and can be widely applied to overline bridge replacement technical field of construction.

Description

The replacement system of highway line bridge

Technical field

The utility model relates to overline bridges to replace technical field of construction.More specifically, the utility model relates to a kind of high speeds The replacement system of highway line bridge.

Background technique

With the rise of Expressway Extension Project, the reorganization and expansion problem in the restricted section of complex condition is increasingly convex It is aobvious, wherein a large amount of existing cross-line bridge reorganization and expansion problems, the intensive group's reorganization and expansion problem of intercommunication and how to match local road network and ask Topic is the most prominent, and it is huge that the construction time especially under the conditions of heavy traffic protects logical pressure.For the overbridge in reconstruction and extension project Beam, which is removed, to be rebuild, and existing method specifically includes that (1) blasting procedure, is only suitable for removing, and row is real again after highway is completely enclosed It applies, the dismounting time of every spanning highway part is no less than 10h, and it is larger to the traffic impact of highway, and explosion The examination and approval procedures of method are complicated, and safety and environmental protection control requires very high, complicated for peripheral facilities arrangement overline bridge, and blasting scheme can not Row, and such overbridge is large number of, other sections that interruption of communication caused by this method is bound in chronicity increasing road network are handed over Logical pressure, can not only influence economic development in a short time, will also bring huge negative social effect and security risk；(2) it builds bridge Machine method is only applicable to the bridge of specific structure form, it is difficult to adapt to the diversified overbridge of bridge type, and long construction period, cause For a long time in operation arranged above expressway operation, there is very big security risk, the highway extension project work big for vehicle flowrate Journey, it is to be difficult to receive in terms of safety, duration and traffic impact three that Bridge Erector, which is removed with the technical solution for rebuilding overline bridge,；(3) Loop wheel machine method is generally aided with flat bed transport vehicle implementation, is limited by loop wheel machine ability, and girder is monolithic construction (continuous beam, box beam Deng) when Demolition Construction, need to be cut into smaller beam section piecemeal removes, and not only cuts heavy workload, it is also desirable to lay door frame or full Hall bracket proposes high requirement to security protection, and be difficult to carry out new bridge erection construction, in support numerous small beam sections For central median sets the simply supported beam overline bridge of pier, spanning, which installs duration, will be no less than 12h, and subsequent construction still needs to transporting for a long time Idle job on highway is sought, security risk is obvious, for the reconstruction and extension project for the existing highway that vehicle flowrate increasingly increases, Do not received gradually using the technical solution of crane fragment installation simply supported girder bridge at two aspects of duration and traffic impact.Cause This develops a kind of large-tonnage, the highway line bridge (group) of general, quick and low traffic impact removes method for reconstructing and more System is changed, there is important engineering significance and vast market prospect.

Utility model content

Stable and quick and low traffic impact of constructing the replacement system the purpose of the utility model is to provide a kind of movement System.

In order to realize these purposes and other advantages according to the present utility model, a kind of highway line bridge is provided Replacement system, comprising:

Carry beam support on the back, each carrying beam support on the back includes a pair of of movable stand；The movable stand includes support frame and dismountable It is fixed at least two pairs of supporting legs of the lower surface of support frame；Two pairs of supporting legs are detachably mounted to the support respectively The quadrangle of the lower surface of frame；

Mobile device carries beam support on the back described in each pair of mobile device corresponding one, and each mobile device and movable stand correspond, The mobile device can be moved to below the support frame of corresponding movable stand, and a pair of of mobile device can be by corresponding a pair of of movable stand It is synchronous to jack up and transferred after being moved to design bridge location.

Preferably, the mobile device is the automatic guided vehicle with elevating function, and the supporting leg has lifting function Energy.

Preferably, support frame as described above includes:

U-shaped frame comprising the support plate positioned at bottom and a pair of side plates positioned at side；

Movable block is square structure；The bottom in the U-shaped frame, movable block energy edge is arranged in the movable block The U-shaped frame width direction sliding and do not depart from；

Two groups of telescopic devices, are separately fixed on the inner wall of a pair of side plates, every group of telescopic device include it is multiple along The the first U-shaped frame length direction uniform intervals setting, horizontal oil cylinder；

Two groups of thrustors are separately positioned on the movable block upper surface along the two sides of U-shaped frame width direction；Every group Thrustor includes multiple movable block upper surface, vertical second oil cylinder being arranged in along U-shaped frame width direction；

A pair of of supporting beam is fixed on above two groups of thrustors respectively along the length direction of U-shaped frame.

Preferably, the replacement system of the highway line bridge, further includes:

Joggle beam support, corresponding one, each joggle beam device is carried on the back beam support, and each joggle beam support includes multiple along high speed The stull of the spaced H-type of the length direction of highway, horizontal part are arranged perpendicular to the length direction of the highway.

The utility model is include at least the following beneficial effects:

The replacement system of highway line bridge provided by the utility model, suitable for Expressway Extension Project Cross-line bridge or synchronous remove of Bridge Group rebuild, can effectively reduce the influence removed and rebuild construction to existing traffic, have Safety is good, traffic impact is low, speed of application is fast, good economy performance, energy conservation and environmental protection, social influence are small and the spies such as versatility is good Point.

The utility model overline bridge group in same section implements that implementation can be synchronized when quick-replaceable, the traffic that effectively shortens closing Duration, improves production efficiency, shortens the construction period, is conducive to avoid easily occurring traffic accident section long-time overhead to protect and build The problem of bridge operation, it is ensured that structure safety, traffic safety, construction safety, Environmental security.

The utility model use carry on the back beam support, joggle beam support be that blocking criteria bar element scene is spliced, Reduce construction organization coordination and execution conditions requirement, be advantageously implemented design standard, manufacturing works, construction assembling, IT application in management improves construction efficiency and construction quality.

The supporting leg of the movable stand of the utility model improves movable stand with function of auto-lift for support cylinder The adaptability of bridge type and under-clearance to different height.

The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.

Detailed description of the invention

Fig. 1 is the flow chart construct using the utility model；

Fig. 2 is schematic diagram of the mobile device described in the utility model by the bridge superstructure of movable stand movement new bridge；

Fig. 3 is the front view that mobile device described in the utility model jacks up movable stand；

Fig. 4 is the top view that mobile device described in the utility model jacks up movable stand；

Fig. 5 is the schematic diagram after the completion of step S4 described in the utility model；

Fig. 6 is the structural schematic diagram of movable stand described in the utility model；

The schematic diagram of the support new bridge of supporting beam described in Fig. 7；

Fig. 8 is the structural schematic diagram of the end of one end of the bridge superstructure of the prior art；

Fig. 9 is the structural schematic diagram of the end of one end of the bridge superstructure of the utility model；

Figure 10 is the schematic diagram of the vertical cutting mouth of " eight " word of the bridge section described in the utility model；

Figure 11 is the schematic diagram of the cutting mouth of level " eight " word of the bridge section described in the utility model.

Description of symbols: 1, construction site, 2, Yuan Qiao, 3, new bridge, 4, highway, 5, movable stand, 6, mobile device, 7, bridge superstructure, 8, supporting leg, 9, bridge substructure, 10, U-shaped frame, 11, support plate, 12, side plate, 13, movable block, 14, the first oil cylinder, the 15, second oil cylinder, 16, supporting beam 17, concrete slab, 18, the end of plate girder, 19, plate girder, 20, concrete, 21, the bridge section, 22, it is vertical fall " eight " word cutting mouth, 23, the cutting mouth of horizontal " eight " word.

Specific embodiment

The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation Book text can be implemented accordingly.

It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", The instruction such as " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter Change description, be not the device of indication or suggestion meaning or element must have a particular orientation, constructed with specific orientation and Operation, therefore should not be understood as limiting the present invention.

As shown in figs. 1-7, a kind of replacement system of the highway line bridge, comprising:

Carry beam support on the back, each carrying beam support on the back includes a pair of of movable stand 5；The movable stand 5 is including support frame and detachably The lower surface for being fixed on support frame at least two pairs of supporting legs 8；Two pairs of supporting legs 8 are detachably mounted to described respectively The quadrangle of the lower surface of support frame；

Mobile device 6, carries beam support described in each pair of mobile device 6 corresponding one on the back, each mobile device 6 with movable stand 5 one by one Corresponding, the mobile device 6 can be moved to below the support frame of corresponding movable stand 5, and a pair of of mobile device 6 can be by corresponding one It is synchronous to movable stand 5 to jack up and transferred after being moved to design bridge location.

In this kind of technical solution, for new bridge 3 biggish for bridge floor, need to tie on multiple integrated bridge tops Structure 7 is stitched together to form new bridge 3, and for the new bridge 3 smaller for bridge floor, it is only necessary to by new bridge 3 be prefabricated into one it is whole The bridge superstructure 7 of body.When supporting leg is more than two clock synchronizations, movable stand bottom surface is fixed, and mobile device cannot be interfered It passes in and out to the lower section of the support frame of movable stand.

When new bridge 3 is the overall structure being assembled by multiple integrated bridge superstructures 7, needs to be arranged and multiple carry beam on the back Support is corresponded with the integrated bridge superstructure.One is carried out on each a pair of of movable stand 5 for carrying beam support on the back The assembly of a integrated bridge superstructure 7, multiple integrated bridge superstructures 7 are respectively by corresponding a pair of mobile Device 6 is moved to design bridge location, and is spliced into overall structure, falls on beam to bridge substructure 9 at design new bridge 3.

The movement of every bridge section of the cross-line beam section of former bridge also uses mobile device to carry out movement to construction site.It is usually every One bridge section will carry out movement using a pair of of mobile device and corresponding movable stand, and specific step is as follows for movement:

B1, in the construction site, assembled a pair of movable stand, then a pair of mobile device is moved to corresponding movement Below the support frame of frame, a pair of of mobile device is jacked up corresponding movable stand is synchronous, and be moved to former bridge cross-line beam section one The both ends of the lower section of bridge section；

B2, a pair of of mobile device jacks up the cross-line beam section, and moves to construction site Luo Liang.

In another technical solution, the mobile device 6 is the automatic guided vehicle with elevating function, the support Leg 8 has elevating function.

In this kind of technical solution, the movement equipment that the utility model uses, which can be, has the function of elevating function and spelling Automation modular cart can also be other vehicles such as the trailer with elevating function, improve the roadbed adaptability in movement path. The utility model can also by be laid in movement equipment and carry on the back beam support on based on the more of Internet of Things, big data and cloud platform Parameter, integral intelligent monitor system, provide safety guarantee for construction.The supporting leg can be support cylinder.

In another technical solution, the replacement system of the highway line bridge, further includes:

Auxiliary device carries beam support on the back described in each auxiliary device corresponding one, and each auxiliary device includes at least three auxiliary Frame is helped, is successively interspersed in before, during and after corresponding a pair of of movable stand 5, the lower end of the auxiliary frame fixes on the ground, The upper surface of the auxiliary frame is concordant with a pair of of upper surface of movable stand 5.

In this kind of technical solution, auxiliary device can assist carrying on the back beam support and be supported to bridge superstructure 7.

In another technical solution, support frame as described above includes:

U-shaped frame 10 comprising the support plate 11 positioned at bottom and a pair of side plates 12 positioned at side；

Movable block 13 is square structure；The bottom in the U-shaped frame 10, the movement is arranged in the movable block 13 Block 13 can be slided and not departed from along the width direction of the U-shaped frame 10；

Two groups of telescopic devices, are separately fixed on the inner wall of a pair of side plates 12, and every group of telescopic device includes multiple edges U-shaped 10 length direction uniform intervals of the frame setting, horizontal first oil cylinder 14；

Two groups of thrustors are separately positioned on 13 upper surface of movable block along the two sides of U-shaped 10 width direction of frame； Every group of thrustor includes multiple the second 13 upper surface of movable block, vertical oil being arranged in along U-shaped 10 width direction of frame Cylinder 15；

A pair of of supporting beam 16 is fixed on above two groups of thrustors respectively along the length direction of U-shaped frame 10.

It is the new bridge 3 of arc for bottom surface in this kind of technical solution, it, can be using this pair of kind when moving integrally Support frame is respectively used to the both ends of the bottom surface of support new bridge 3, as shown in Figure 5；For a support frame, a pair of branch The height of support beam 16 differs, and passes through the height of telescopic adjustment a pair of supporting beam 16 of the telescopic rod of the second oil cylinder 15.Meanwhile for As shown in fig. 7, being located at for a support frame in left side, one group of first oil cylinder 14 stretching by adjusting right side, which can be given, to be moved The power of motion block 13 to the left increases branch so that a pair of of supporting beam 16 gives the support force of the bottom surface of the new bridge 3 of its support to the left Support the frictional force of beam 16 and 3 bottom surface of new bridge；For being located at for a support frame on right side, by adjusting one group positioned at left side The stretching of the telescopic rod of first oil cylinder 14 can give the power of movable block 13 to the right, so that a pair of of supporting beam 16 gives it The support force of the bottom surface of the new bridge 3 of support to the right increases the frictional force of supporting beam 16 and 3 bottom surface of new bridge, so that a pair of of branch Support is whole more stable in mobile new bridge 3, prevents new bridge 3 from sliding.Two pairs of supporting legs are separately positioned on the U-shaped frame Lower surface quadrangle.

In another technical solution, joggle beam support, corresponding one, each joggle beam device is carried on the back beam support, each joggle beam support Multiple includes along the stull of the spaced H-type of length direction of highway 4, and horizontal part is public perpendicular to the high speed The length direction on road 4 is arranged.

In this kind of technical solution, some small prefabricated sections can be spliced in joggle beam support.

A kind of quick change method of highway line bridge, it is public across high speed it is suitable for removing, creating and replace The overline bridge on road 4, comprising:

Preparation of construction: other than existing roadbed near former bridge 2, construction site 1 is arranged in S1；

S2, on the construction site 1, the cast-in-place or assembled integrated bridge for forming one or more new bridges 3 Portion's structure 7；

The bridge substructure 9 of new bridge 3 is arranged in S3；

S4 closes freeway traffic, one or more integrated bridge superstructure 7 is moved to design bridge Position, and beam is fallen, construct expansion joint and affiliated facility；

S5 restores freeway traffic, and open new bridge traffic.

The integrated bridge superstructure 7 of one or more new bridges 3, refer to for only one across new bridge come It says, it is only necessary to which it is integrated can also to be divided into left and right two by a prefabricated integrated bridge superstructure for the new bridge Bridge superstructure.For two across above new bridge 3, need to prepare two integrated bridge superstructures, often Across a corresponding integrated bridge superstructure；Can also by be located at it is same across bridge superstructure be divided into two width of left and right Sub- bridge superstructure.

The utility model be particularly suitable for quick-replaceable or remove with rebuild large-tonnage (≤5000t) freely-supported (including Big box beam, small box girder, steel reinforced concrete combination beam, T beam and girder steel etc.) spanning or continuous beam (including the continuous small box girder of structure, big case Beam, steel reinforced concrete combination beam, T beam and girder steel etc.).Traffic impact is low: single span overline bridge remove build movement respectively influence traffic 2 hours with It is interior.Speed of application is fast: more traditional 50% or more cutting disassembling techniques save total construction period.Good economy performance: because the duration in advance and traffic The reasons such as small are influenced, compared with conventional method good economy performance.

In 4 reconstruction and extension project of highway, numerous local road grid traffic, geology and environment across 4 overline bridge of highway Situation is different, and the existing highway 4 to reorganization and expansion is generally 4 lanes, and the across footpath of cross over-line bridge is essentially 30m or so, often See that bridge type is continuous bridge, rigid frame bridge and arch bridge；Extending target is largely 8 lanes, it is desirable that cross over-line bridge main span increases to the left side 60m The right side, bridge type is based on simply supported beam and continuous beam.Safe and environment-friendly, quick, low traffic impact is rebuild to guarantee that line bridge is removed Deng proposing quick-replaceable, dismounting, the method for construction and the replacement system of a kind of 4 line bridge of highway or overline bridge group.

Beam body replacement whole process only needs 2 temporary traffic closings and 1 traffic navigation, each traffic temporary enclosed duration to be less than 2 hours.Wait tear old bridge beta site selected around open as the beam body manufacturing field of new bridge 3 and the place Luo Liang of old bridge, in beam After body manufacturing field carries out equipment and support system completion assembly, the precast assembly of new bridge 3 is carried out, then temporary traffic is closed, The local transformation of facility such as median strip is completed, movement is equipped and is carried on the back beam and supports accurate in place, recombination and debug, carry top beam entirely, Double eight words symmetrically cut beam body, and releasing influences constraint；Initial monitor is completed, synchronization of jacking up is equipped in movement；According to planning movement road Diameter, which moves to beam body, falls beam position, and movement equipment is withdrawn；Environmental protection cuts beam body, resource utilization waste；When there is more overline bridges Same section can synchronize implementation, complete the simultaneously and rapidly dismounting of line bridge group.

In another technical solution, the step S3 includes:

S31, at the both ends of the design bridge location of the side of former bridge 2, the linking-up road docked with new bridge 3 of constructing；

S32, in the bridge substructure 9 of the design bridge location construction new bridge 3 of the side of former bridge 2；

Further include step S6 after the step S5: closing former bridge and freeway traffic, and remove the cross-line of former bridge Section, and beam is fallen to the construction site；

S7 restores height highway communication, removes the non-cross-line section of former bridge.

In another technical solution, the step S3 includes:

The traffic for closing former bridge and highway removes the bridge superstructure 7 of the cross-line section of former bridge 2 and is fallen beam extremely The place the beam body Luo Liang, then using the bridge substructure 9 of the cross-line section of former bridge 2 as the bridge substructure of new bridge 3 9；

Further include step S8 after the step S5: removing the non-cross-line section of former bridge.

In another technical solution, the step S3 includes:

The traffic of former bridge and highway is closed, the cross-line section of former bridge 2 is removed and falls beam to the place the beam body Luo Liang, so Afterwards at former bridge 2 construct new bridge 3 bridge substructure 9；

After step s 5, further include step S9: removing the non-cross-line section of former bridge.

It is to be further limited to step S3, that is in practice of construction process for above-mentioned three kinds of technical solutions In, construction personnel needs to select one of above-mentioned three kinds of technical solutions to construct according to three kinds of different situations.

The first situation, dystopy remove reconstruction formula, linking-up road or access bridge and former bridge 2 that new bridge 3 and new bridge 3 dock and its The road dystopy of docking.As shown in Figure 1, being indicated in figure from the arrow that former bridge 2 is directed toward 1, the route of movement after former bridge is removed；

The arrow for being directed toward new bridge 3 from 1 in figure indicates that the route of the movement of the bridge superstructure of new bridge is first carried out Movement after the superstructure assembly of the bridge of new bridge is good；When movement new bridge, it is public to need to close high speed for movement after former bridge is removed again Road when removing former bridge, needs to close highway and former bridge.

Second situation, it is in situ to remove reconstruction formula, only replace new bridge 3 in situ, the linking-up road docked with new bridge 3 or Access bridge is exactly the road of former bridge 2, and the bridge substructure 9 of new bridge 3 uses the substructure of former bridge 2.

The third situation, it is in situ to remove reconstruction formula, only replace new bridge 3 in situ, the linking-up road docked with new bridge 3 or Access bridge is exactly the road of former bridge 2, and still, the substructure of the bridge of new bridge 3 is constructed again.

In above-mentioned three kinds of technical solutions, when new bridge 3 is replaced in original position, to guarantee that the removal of span centre beam body needs to carry out original beam body Cutting.Cutting position is determined by calculation, the stress safety of main span beam body and bridge pier structure should be met, while end bay is before cutting It needs to set up stress support, meets the stress safety of the end bay after former beam body is cut.

In the present invention, the dismounting of the beam section for the non-cross-line of former bridge and bridge pier, can be open in highway Shi Jinhang belongs to the prior art and does not repeat herein.The bridge pier for removing the cross-line section of former bridge also belongs to the prior art and does not repeat herein.

In another technical solution, the bridge superstructure of the cross-line section for removing former bridge specifically includes following step It is rapid:

A1, according to it is vertical fall " eight " word and horizontal " eight " word cut surface cutting one across beam body, or release the bridge body Constraint so that the bridge section is independently supported on the bridge pier of corresponding cross-line section；

The bridge section is removed bridge location towards horizontal " eight " word opening direction by A2, and movement is to construction site Luo Liang；

A3, cut former bridge other across all beam bodies, or release the constraint of all beam bodies, make former bridge other across institute There is beam body to be independently supported on the bridge pier of corresponding cross-line section；

A4, by former bridge other across all beam body movements to construction site Luo Liang.

In this kind of technical solution, splayed means the different width in both sides, so the bridge section 21 is jacked When, convenient for its ejection, while when moving horizontally, moves out convenient for the bridge section 21 from the biggish one end of eight words opening, such as scheme 11 be exactly to move out from below.The vertical cutting mouth of the cutting mouth 22 of " eight " word and level " eight " word of the bridge section 21 cutting 23, as shown in figs. 10-11.

It should be noted that cross-line bridge portion cuts and removes for only having for a former bridge across cross-line, remaining tradition Method solves；Full-bridge only has one across if, and direct constraint relief simultaneously removes, without cutting beam body.

In another technical solution, the step S2 includes:

S21: the end at the both ends of the bridge superstructure is prefabricated into solid integral type cube shape structure, and is made The lower surface of the integral type cube shape structure is horizontal.

In this kind of technical solution, integrated bridge superstructure (beam body) is used end portion treatment by casting concrete 20 The forms such as plate girder, T beam, small box girder at big rigidity concrete structure (rigid connection) are with a bridge superstructure bridge 7 Example is discussed in detail, as shown, the end construction of conventional bridge superstructure 7 is as shown in figure 8, after step S21 processing Bridge superstructure 7 end construction as shown in figure 9, wherein the upward arrow in Fig. 8 Fig. 9 respectively indicates three plate girders 19 Impact direction.

By step S21, end 18 is processed into big rigidity concrete structure (rigid connection) and reduces support dosage, improves knot Structure durability, the maintenance for facilitating the later period, are also beneficial to safety, rapid construction；And the big rigidity concrete in the end of suitable width Structure can adapt to various types of expansion joints, convenient for built-in fitting construction and Fast Installation, the reliability for improving connection；End The presence of big rigidity concrete structure is avoided since the corrosion problem of steel construction caused by leak is damaged at expansion joint；Multiple steel plates Beam prefabricated Shi Shunqiao is convenient for rapid construction to using segmentation bolt.

After falling beam, the both ends 18 of bridge superstructure 7 can be supported on above corresponding support, if the supporting surface of support Not usually, the stress that will lead to each plate girder 19 differs, and will lead to the damage of plate girder 19.If by bridge superstructure 7 End be designed to an overall structure, and since end is the entirety of one big rigidity, have very between each plate girder 19 Strong mutual effect of contraction will not generate damage to plate girder 19 due to torsion, and 17 references are concrete slabs.

Embodiment one:

1, preparation of construction: near the overline bridge of reconstruction to be removed, it is quasi- that highway two sides broad way Ji Chu to be spelled carries out place Standby, side is to deposit the place Luo Liang after former bridge is removed, and the other side is new bridge manufacturing field；Two places may be alternatively located at same Side.Based on the roadside place setting principle near existing line bridge: being arranged along road direction strip, as far as possible using needing to widen Roadbed and the smallest region of excavated-in t4 summation, the occupied area needed determine that the no less than ground of 80kPa is held by bridge scale Power is carried, whole ground flat degree is preferable, and each path gradient difference is small etc..

2, the new overline bridge of cross-line or the quick of overline bridge group, monoblock type are built and are installed: completing in new bridge manufacturing field Carry the installation of beam support, joggle beam support on the back；Integrated beam body manufacture is completed in above-mentioned each corresponding support；Lay beam body, movement dress Intelligent monitor system that is standby and carrying beam support on the back simultaneously is completed to debug；The existing highway of temporary enclosed completes the offices such as median strip Integrated beam body is moved to design bridge location according to planning movement path using rapid transporting method and apparatus by portion's transformation of facility, and one Secondary property gapless falls beam, and movement equipment is withdrawn to above-mentioned place, successively restores the local facility such as median strip and existing high speed The traffic of highway, the affiliated facilities such as construction expansion joint, completes line bridge and quickly builds；When there is more overline bridges, same section can It is synchronous to implement, complete the simultaneously and rapidly construction of line bridge group.

3, the traffic on completion line bridge, which is led, changes.

4, the old overline bridge of cross-line or the quick of overline bridge group, monoblock type are removed: being completed standardization movement equipment and carried beam support on the back Assembly lays movement equipment and carries the intelligent monitor system of beam support on the back and complete to debug；Complete end bay beam body temporary support；Temporarily Existing highway is closed, the local facility quick transformation such as median strip is completed；Movement equipment, which carries, carries beam support on the back along base In the setting of existing width of subgrade range movement path automatic Pilot to design position, accurate in place, recombination and debugging, Quan Zaiding Beam；Double eight words symmetrically cut beam body, and releasing influences constraint；Initial monitor is completed, synchronization of jacking up is equipped in movement；According to planning movement Path, which moves to beam body, falls beam position, and movement equipment is withdrawn, implementation Process monitoring and safe early warning；Environmental protection cuts beam body, recycling Utilize waste；When there is more overline bridges, same section can synchronize implementation, complete the simultaneously and rapidly dismounting of line bridge group.

5, the method for (removing or installing) path based on existing width of subgrade range setting movement: including central strip road surface The dismounting recovery of the above facility and roadside guardrail and existing highway trackside part dealing with foundation etc..

6, it before the formal quick-replaceable in bridge cross-line part, can will be finished in newly building bridge across main pier and end bay construction, To achieve the purpose that new bridge Fast Installation.

Illustrate: removing the replacement of reconstruction formula for dystopy can be torn open using " first tear open and build afterwards " or " first build and tear open afterwards " in situ Except the formula replacement of reconstruction uses " first tear open and build afterwards ".

It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art, Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality It is not limited to specific details and legend shown and described herein with novel.

Claims (4)

1. a kind of replacement system of highway line bridge characterized by comprising

Carry beam support on the back, each carrying beam support on the back includes a pair of of movable stand；The movable stand includes support frame and removably fixes At least two pairs of supporting legs in the lower surface of support frame；Two pairs of supporting legs are detachably mounted to support frame as described above respectively The quadrangle of lower surface；

Mobile device carries beam support on the back described in each pair of mobile device corresponding one, and each mobile device and movable stand correspond, described Mobile device can be moved to below the support frame of corresponding movable stand, and a pair of of mobile device can be synchronous by corresponding a pair of of movable stand It jacks up and is transferred after being moved to design bridge location.

2. the replacement system of highway line bridge as described in claim 1, which is characterized in that the mobile device is tool There is the automatic guided vehicle of elevating function, the supporting leg has elevating function.

3. the replacement system of highway line bridge as described in claim 1, which is characterized in that support frame as described above includes:

U-shaped frame comprising the support plate positioned at bottom and a pair of side plates positioned at side；

Movable block is square structure；The bottom in the U-shaped frame is arranged in the movable block, and the movable block can be along institute It states the width direction sliding of U-shaped frame and does not depart from；

Two groups of telescopic devices, are separately fixed on the inner wall of a pair of side plates, and every group of telescopic device includes multiple along the U The first setting of type frame length direction uniform intervals, horizontal oil cylinder；

Two groups of thrustors are separately positioned on the movable block upper surface along the two sides of U-shaped frame width direction；Every group of pushing tow Device includes multiple movable block upper surface, vertical second oil cylinder being arranged in along U-shaped frame width direction；

A pair of of supporting beam is fixed on above two groups of thrustors respectively along the length direction of U-shaped frame.

4. the replacement system of highway line bridge as described in claim 1, which is characterized in that further include:

Joggle beam support, corresponding one, each joggle beam device is carried on the back beam support, and each joggle beam support includes multiple along highway The spaced H-type of length direction stull, horizontal part perpendicular to the highway length direction be arranged.