CN105484166B - A kind of ladder type masts type cantilever loop wheel machine - Google Patents
A kind of ladder type masts type cantilever loop wheel machine Download PDFInfo
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- CN105484166B CN105484166B CN201610027716.XA CN201610027716A CN105484166B CN 105484166 B CN105484166 B CN 105484166B CN 201610027716 A CN201610027716 A CN 201610027716A CN 105484166 B CN105484166 B CN 105484166B
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- oil cylinder
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- wheel machine
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The present invention provides a kind of ladder type masts type cantilever loop wheel machine, including rack construction, walking system, hoist engine, Overhead travelling crane system, shackle hook group, suspender distribution system, electrical system, hydraulic system, steel wire rope, head hangs a section anchor system, fining twisted steel and typically hang a section anchor system, the rack construction is mainly by upper girder, entablature, lower girder, sill, preceding brace, middle brace, brace and elevator machine platform composition afterwards, two side legs of cantilever Bridge Erector are needed respectively in two " U " beams of double U-typed girder constructions, bridge machine rack construction need to cross over middle evacuation platform, the walking system is mainly by preceding piston shoes connects bearing, preceding piston shoes, piston shoes connects bearing afterwards, piston shoes afterwards, jack supporting leg, walking oil cylinder seat and track composition；Compared with prior art, the present invention has following beneficial effect：Easy to operate, strong applicability, efficiency high of setting a roof beam in place, and possess turnover it is convenient to assemble and disassemble, turnover expense is low.
Description
Technical field
The present invention is a kind of ladder type masts type cantilever loop wheel machine, belongs to bridge span erecting machine technical field.
Background technology
No. 17 overhead sections of line of Shanghai rail transit contain Assembling Continuous Beam Bridge with Precast Sections at 20, and beam sections are U-shaped and case
The variable cross-section form that type combines, often section section segment length is 2.5~3.5 meters.This project shares section cantilever continuous U beam bridge 20
Seat, mid-span across footpath divides 50m, 55m, 70m tri- kinds, is cross a river or across road, and intersperses among on the circuit of 30km length, to Bridge Erector
Applicability, security have higher requirement.20 bridges are all double-U-shaped nonprismatic continuous beam structure, and are all located at different flat, perpendicular
On curve, and due to being constructed using short line casting, each prefabricated subsection all using fixing end mould as control benchmark, closes compared to traditional
Mouth box structure, the more difficult control of double " U " beam hatch frame end mould precision.Cantilever accurate adjustment difficulty is big：Double " U " beams add box-beam structure, cut
Face short transverse change break is more, is changed greatly along bridge to deck-molding, and beam sections lay particular stress on more difficult leveling, and during beam sections installation positioning, 6
Point coordinates precision will be controlled within 2mm.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of ladder type masts type cantilever loop wheel machine, to solve
The problem of being proposed in above-mentioned background technology, the present invention is easy to use, and easy to operation, stability is good, and reliability is high.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of ladder type masts type cantilever
Loop wheel machine, including rack construction, walking system, hoist engine, Overhead travelling crane system, shackle hook group, suspender distribution system, electrical system,
Hydraulic system, steel wire rope, head hang a section anchor system, fining twisted steel and typically hang a section anchor system, and the rack construction is main
It is made up of upper girder, entablature, lower girder, sill, preceding brace, middle brace, rear brace and elevator machine platform, cantilever loop wheel machine
Two side legs are needed respectively in two " U " beams of double U-typed girder constructions, and it is flat that cantilever loop wheel machine rack construction need to cross over middle evacuation
Platform, the walking system is mainly by preceding piston shoes connects bearing, preceding piston shoes, rear piston shoes connects bearing, rear piston shoes, jacking supporting leg, OK
Oil cylinder seat and track composition are walked, the walking system uses walking and oil cylinder stroke is 600mm, the Overhead travelling crane system
Mainly it is made up of fixed pulley group roller box, transverse beam system and guide wheel system three parts, the shackle hook group is by running block
Roller box, suspension entablature, suspension sill and boom system composition, wherein boom system is latching mechanism, and centre, which adds, puts thrust
Self-aligning bearing realizes that suspension hook rotates, and suspension hook both ends are bolted with nut and fixed, and the suspender distribution system is by c-type framework I, distribution beam
Ith, arm-tie, C types framework II, distribution beam II and fining twisted steel anchorage composition, set traversing oil cylinder, traversing oil in distribution beam I
The stroke of cylinder is 600mm, and vertical shift oil cylinder is provided with distribution beam II, and the stroke of vertical shift oil cylinder is 200mm, vertical by adjusting
Traversing oil cylinder can realize the vertically and horizontally fine setting of beam section, and the bottom of rack construction 1 is provided with walking system, the walking system top
Portion is provided with hoist engine, and the hoist engine side is provided with hydraulic system, and the hydraulic system side is provided with Overhead travelling crane system, the overhead traveling crane
System bottom is connected by steel wire with shackle hook group, and the electrical system is arranged on the top of fining twisted steel, the finish rolling
A section anchor system is hung in screw-thread steel bottom provided with head, and the head, which hangs section anchor system side and is provided with, typically hangs a section anchor system.
Further, the cantilever loop wheel machine rack construction use " ladder type " mast form, the preceding brace, middle brace and
Brace is box girder construction afterwards.
Further, the fixed pulley group roller box, transverse beam system and guide wheel system main material are by shaped steel and part steel plate group
Into.
Further, the lengthwise position of overhead traveling crane, vertical shift oil cylinder can be adjusted by the vertical shift oil cylinder being fixed on upper girder
Stroke be 1200mm, by the traversing oil cylinder being fixed in transverse beam system, the lateral attitude of fixed pulley group roller box can be adjusted,
The stroke of traversing oil cylinder is 200mm.
Further, the hoist engine model JM12.
Further, the electrical system is uniformly controlled by programmable controller PLC.
Further, the hydraulic system contains two hydraulic power units, two of which walking oil cylinder, two and Overhead travelling crane system pair
The vertical shift oil cylinder answered and two traversing oil cylinders corresponding with Overhead travelling crane system share a hydraulic power unit；One and suspender distribution system
Corresponding traversing oil cylinder and two vertical shift oil cylinders corresponding with suspender distribution system share another hydraulic power unit and oil cylinder is used
Solenoid directional control valve control is flexible.
Beneficial effects of the present invention：A kind of ladder type masts type cantilever loop wheel machine of the present invention, the cantilever loop wheel machine are easy to operate, suitable
With property is strong, efficiency high of setting a roof beam in place, and possesses the features such as turnover is convenient to assemble and disassemble, turnover expense is low.
(1) revolution suspension hook can meet the demand in place that large-scale beam car is different under different site conditions.Boom system is set
For latching mechanism, centre plus put thrust force aligning bearing and realize that 360 degree of suspension hook rotates.Simultaneously in suspension entablature and suspension sill
Between be provided with locking device, after beam section is lifted by crane and is rotated in place, installation suspension entablature and hang sill between locking
Bolt, limitation suspension hook rotation, prevents beam section from being rotated freely in lifting process, after beam section lifting in place, dismountable locking bolt,
Suspension hook group is set to recover spinfunction.
(2) " ladder type " mast form that cantilever loop wheel machine uses, makes that instant invention overcomes frame caused by double U-typed girder constructions
Bridge problem.
(3) simple in construction, overall weight is lighter, during cantilever construction at the main pier caused by temporary structure moment of flexure it is smaller, have
Beneficial to structure safety.
(4) cantilever loop wheel machine main couple size is relatively small, lighter in weight, closely can transition truss can integrally be torn open
Remove, transport and install, reduce routine techniques transition and remove and reinstall reception time, be easy to the quick transition of crane span structure machine, spelling
Dress.
(5) this cantilever loop wheel machine possesses comprehensive exact posture adjustment function, and pose adjustment is convenient, short the time required to adjustment.
Increasing by 6 Shift cylinders on overhead traveling crane and suspender, (overhead traveling crane sets two stroke 1200mm vertical shift oil cylinder and 1 stroke 200mm
Translation oil cylinder；Two 200mm of suspender increase vertical shift oil cylinder and 1 600mm translation oil cylinder), realize beam sections aerial 3
Individual axial translation and the rotation of 2 axis directions, reach the purpose of 360 degree of exact posture adjustment.Through live actual test, half
Hour can complete 1 U beam and be adjusted from exact posture in place is lifted to.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of ladder type masts type cantilever loop wheel machine of the present invention；
Fig. 2 is a kind of hydraulic system structure schematic diagram of ladder type masts type cantilever loop wheel machine of the present invention；
In figure：1 rack construction, 2 walking systems, 3 hoist engines, 4 Overhead travelling crane systems, 5 shackle hook groups, 6 suspenders distribution system
System, 7 electrical systems, 8 hydraulic systems, 9 steel wire ropes, 10 head hang a section anchor system, 11 fining twisted steels, 12 general sections of hanging and anchored
System.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of ladder type masts type cantilever loop wheel machine, including frame knot
Structure 1, walking system 2, hoist engine 3, Overhead travelling crane system 4, shackle hook group 5, suspender distribution system 6, electrical system 7, hydraulic system
8th, steel wire rope 9, head hang section anchor system 10, fining twisted steel 11 and typically hang section anchor system 12, and the rack construction 1 is main
It is made up of upper girder, entablature, lower girder, sill, preceding brace, middle brace, rear brace and elevator machine platform, cantilever loop wheel machine
Two side legs are needed respectively in two " U " beams of double U-typed girder constructions, and it is flat that cantilever loop wheel machine rack construction need to cross over middle evacuation
Platform, the walking system 2 is mainly by preceding piston shoes connects bearing, preceding piston shoes, rear piston shoes connects bearing, rear piston shoes, jacking supporting leg, OK
Oil cylinder seat and track composition are walked, the walking system 2 uses walking and oil cylinder stroke is 600mm, the Overhead travelling crane system 4
Mainly it is made up of fixed pulley group roller box, transverse beam system and guide wheel system three parts, the shackle hook group 5 is by running block
Roller box, suspension entablature, suspension sill and boom system composition, wherein boom system is latching mechanism, and centre, which adds, puts thrust
Self-aligning bearing realizes that suspension hook rotates, and suspension hook both ends are bolted with nut and fixed, and the suspender distribution system 6 is by c-type framework I, distribution
Beam I, arm-tie, c-type framework II, distribution beam II and fining twisted steel anchorage composition, set traversing oil cylinder in distribution beam I, traversing
The stroke of oil cylinder is 600mm, and vertical shift oil cylinder is provided with distribution beam II, and the stroke of vertical shift oil cylinder is 200mm, vertical by adjusting
Traversing oil cylinder can realize the vertically and horizontally fine setting of beam section, and the bottom of rack construction 1 is provided with walking system 2, the walking system 2
Top is provided with hoist engine 3, and the side of hoist engine 3 is provided with hydraulic system 8, and the side of hydraulic system 8 is provided with Overhead travelling crane system 4,
The bottom of Overhead travelling crane system 4 is connected by steel wire rope 9 with shackle hook group 5, and the electrical system 7 is arranged on fining twisted steel 11
Top, the bottom of fining twisted steel 11 hangs section anchor system 10 provided with head, and the head hangs the side of section anchor system 10 and is provided with
Typically hang section anchor system 12.
The rack construction 1 of the cantilever loop wheel machine uses " ladder type " mast form, and the preceding brace, middle brace and rear brace are
Box girder construction, the fixed pulley group roller box, transverse beam system and guide wheel system main material are made up of shaped steel and part steel plate, passed through
The vertical shift oil cylinder being fixed on girder can adjust the lengthwise position of overhead traveling crane, and the stroke of vertical shift oil cylinder is 1200mm, by solid
The traversing oil cylinder being scheduled in transverse beam system, can adjust the lateral attitude of fixed pulley group roller box, and the stroke of traversing oil cylinder is
200mm, the model JM12 of hoist engine 3, the electrical system 7 are uniformly controlled by programmable controller PLC, the hydraulic pressure
System 8 contains two hydraulic power units, two of which walking oil cylinder, two corresponding with Overhead travelling crane system vertical shift oil cylinders and two and overhead traveling crane
Traversing oil cylinder corresponding to system shares a hydraulic power unit；One traversing oil cylinder corresponding with suspender distribution system and two are with hanging
Vertical shift oil cylinder corresponding to tool distribution system shares another hydraulic power unit and oil cylinder is controlled with solenoid directional control valve and stretched.
When carrying out free cantilever erection erection using the cantilever loop wheel machine when work, beam sections are transported to beam car applied first
Work scene, each beam sections are lifted successively, lifting order is symmetrical lifting from the middle to both ends, is first brushed by past technology before lifting
Seam epoxy adhesive, apply interim prestressing force after docking completely per two segment, make between section in prestressing force effect
Under combine closely, leave no gaps, wear permanent prestressed strand, and carry out the tensioning of permanent steel beam, it is assembled successively until whole sections
Last Bridge Erector unloading after section is in place.Carry out system dress changes, cast-in-place end bay closure segment and mid-span closure segment, and tensioning is closed up successively
Top plate beam, form continuous beam.
1st, cantilever loop wheel machine assembles, and is assembled using 25t truck cranes ground.
2nd, cantilever loop wheel machine is hoisted on middle pier 0# blocks T structures using 150t truck cranes, anchor system consolidation.
3rd, electrical equipment debugging, examination.
4th, specified location (projected position of the 1# sections under bridge) under 1# cantilevers section is transported to bridge by beam car, carry out
Transferred after beam sections leveling processing under suspender to bridge, suspender and beam sections are connected with fining twisted steel, and anchor firm, pass through two
Side cantilever loop wheel machine symmetrically lifts by crane.
5th, the contraposition of 1# beam sections is assembled, and installation auxiliary rod is finely adjusted, exactitude position；Stiff skeleton is installed, installation is pre-
Stress pipeline；Set up wet seam suspension bracket, installation form between 0# sections and 1# sections；Wet joint concrete is poured, treats that intensity reaches
To after requiring, permanent prestressed tensioning is carried out, and vacuum pipe mud jacking was carried out in 24 hours.
8th, other sections of free cantilever erection are using stem grafting seam construction, by prefabricated girder segment no-solvent type epoxy in construction
2 pieces of adjacent beam sections are bonded to an entirety by plastic bonding agent, and it mainly plays lubrication, crab-bolt, waterproof, transmission stress etc. and made
With.Cantilever loop wheel machine is in place, and --- lifting beam section (installing interim stretching bed seat) --- Primary Location examination is spelled --- inspection Check simultaneously handles pipeline
Joint --- remove beam section (beam body staggers 20cm, and falls) --- adhesive material is applied on joint face --- beam section lifting, be adjacent to beam
Section --- wearing interim presstressed reinforcing steel manhole, --- (wear perpendicular by formal positioning --- the interim presstressed reinforcing steel of tensioning --- suspender stress system conversion
To fining twisted steel) --- wearing permanent presstressed reinforcing steel --- waits strong, tensioned prestressing bar, mud jacking ----shifting cantilever loop wheel machine --- next
Beam section is assembled.
9th, after the completion of last section assembling, Bridge Erector Integral lifting to flat bed transport vehicle is subjected to transition.
10th, the positioning and adjustment of beam sections；To ensure being accurately positioned for beam sections, first according to prefabricated before interim tensioning
Six point coordinates that factory provides carry out the conversion of Construction control coordinate, using spirit level and total powerstation according to six point coordinates after conversion
Control the locus of beam sections, it is ensured that the correct position of each each beam sections in hole.Beam sections must essence when being installed
It is determined that position, and temporary consolidation is carried out, beam sections adjustment mode is as follows：
(1) high process control.Design requirement is reached by elevator unit envoy's Duan Liang vertical control points.
(2) mileage controls.Realize that section, to translation, makes its mileage reach design requirement along bridge by overhead traveling crane vertical shift oil cylinder.
(3) axial line control.Axial control point is set on completed bridge floor, beam sections axis is checked with total powerstation.If any
Deviation, beam body is adjusted to correct position using the level jack in hanging beam.
(4) flatness controls.By adjusting suspender vertical shift, traversing oil cylinder by section is vertical, lateral rotation is adjusted to design
Linear requirement.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Which point therefore, no matter from the point of view of, all should incite somebody to action
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the involved claim of limitation.Although moreover, it will be appreciated that
The present specification is described in terms of embodiments, but not each embodiment only includes an independent technical scheme, explanation
This narrating mode of book is only that the skilled in the art should refer to the specification as a whole, each reality for clarity
Apply the technical scheme in example and may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
Claims (7)
1. a kind of ladder type masts type cantilever loop wheel machine, including rack construction, walking system, hoist engine, Overhead travelling crane system, shackle hook
Group, suspender distribution system, electrical system, hydraulic system, steel wire rope, head hang a section anchor system, fining twisted steel and typically hang section
Anchor system, the rack construction mainly by upper girder, entablature, lower girder, sill, preceding brace, middle brace, rear brace and
Elevator machine platform is formed, and two side legs of cantilever loop wheel machine are needed respectively in two " U " beams of double U-typed girder constructions, cantilever loop wheel machine
Rack construction need to cross over middle evacuation platform, and the walking system is mainly connected by preceding piston shoes connects bearing, preceding piston shoes, rear piston shoes
Bearing, rear piston shoes, jacking supporting leg, walking oil cylinder seat and track composition, the walking system use walking and oil cylinder row
Journey is 600mm, and the Overhead travelling crane system is mainly made up of fixed pulley group roller box, transverse beam system and guide wheel system three parts, institute
State shackle hook group to be made up of running block roller box, suspension entablature, suspension sill and boom system, wherein boom system is
Latching mechanism, centre plus puts thrust force aligning bearing and realizes that suspension hook rotates, and suspension hook both ends are bolted with nut and fixed, suspender distribution
System is made up of c-type framework I, distribution beam I, arm-tie, c-type framework II, distribution beam II and fining twisted steel anchorage, in distribution beam I
Upper to set traversing oil cylinder, the stroke of traversing oil cylinder is 600mm, and vertical shift oil cylinder, the row of vertical shift oil cylinder are provided with distribution beam II
Journey is 200mm, can realize the vertically and horizontally fine setting of beam section by adjusting shifting oil cylinder in length and breadth, the rack construction bottom is provided with traveling
System, the walking system top are provided with hoist engine, and the hoist engine side is provided with hydraulic system, and the hydraulic system side is set
There is Overhead travelling crane system, the Overhead travelling crane system bottom is connected by steel wire rope with shackle hook group, and the electrical system is arranged on finish rolling
A section anchor system is hung in the top of screw-thread steel, the fining twisted steel bottom provided with head, and the head hangs a section anchor system side and is provided with
Typically hang a section anchor system.
A kind of 2. ladder type masts type cantilever loop wheel machine according to claim 1, it is characterised in that：The frame of the cantilever loop wheel machine
Structure uses " ladder type " mast form, and the preceding brace, middle brace and rear brace are box girder construction.
A kind of 3. ladder type masts type cantilever loop wheel machine according to claim 1, it is characterised in that：The fixed pulley group roller box,
Transverse beam system and guide wheel system main material are made up of shaped steel and part steel plate.
A kind of 4. ladder type masts type cantilever loop wheel machine according to claim 1, it is characterised in that：By being fixed on upper girder
Vertical shift oil cylinder can adjust the lengthwise position of overhead traveling crane, the stroke of vertical shift oil cylinder is 1200mm, by being fixed in transverse beam system
Traversing oil cylinder, the lateral attitude of fixed pulley group roller box can be adjusted, the stroke of traversing oil cylinder is 200mm.
A kind of 5. ladder type masts type cantilever loop wheel machine according to claim 1, it is characterised in that：The hoist engine model
JM12。
A kind of 6. ladder type masts type cantilever loop wheel machine according to claim 1, it is characterised in that：The electrical system is by that can compile
Range controller PLC is uniformly controlled.
A kind of 7. ladder type masts type cantilever loop wheel machine according to claim 1, it is characterised in that：The hydraulic system contains two
Hydraulic power unit, two of which walking oil cylinder, two vertical shift oil cylinders corresponding with Overhead travelling crane system and two are corresponding with Overhead travelling crane system
Traversing oil cylinder shares a hydraulic power unit；One traversing oil cylinder corresponding with suspender distribution system and two and suspender distribution system
Corresponding vertical shift oil cylinder shares another hydraulic power unit and oil cylinder is controlled with solenoid directional control valve and stretched.
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| CN201610027716.XA CN105484166B (en) | 2016-01-15 | 2016-01-15 | A kind of ladder type masts type cantilever loop wheel machine |
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| CN201610027716.XA CN105484166B (en) | 2016-01-15 | 2016-01-15 | A kind of ladder type masts type cantilever loop wheel machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107288044A (en) * | 2017-06-21 | 2017-10-24 | 腾达建设集团股份有限公司 | The assembled equipment of portable asymmetric bridge girder cantilever and its application process |
| CN107761574B (en) * | 2017-09-29 | 2021-02-12 | 中铁九局集团有限公司 | Midspan folding device for swivel groove-shaped continuous beam of service line of electrified railway |
| CN109137759B (en) * | 2018-09-29 | 2023-12-19 | 中铁第四勘察设计院集团有限公司 | Precast cantilever assembling method and system for prestressed concrete box girder segment |
| CN110983992A (en) * | 2019-11-07 | 2020-04-10 | 中铁建大桥工程局集团第五工程有限公司 | Cantilever assembling construction process for double-U-box type composite variable-section assembled continuous beam bridge |
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| CN205529915U (en) * | 2016-01-15 | 2016-08-31 | 中国铁建大桥工程局集团有限公司 | Ladder type masts type hangs pieces together loop wheel machine |
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| NO150289C (en) * | 1982-06-01 | 1984-09-19 | Oestlandske Spennbetong As | DEVICE FOR SECTIONAL CASTING OF TENSIONED CONCRETE BRIDGES AFTER THE FRONT BUILDING METHOD |
| JP4377506B2 (en) * | 2000-02-15 | 2009-12-02 | 大成建設株式会社 | Bridge erection device and bridge erection method |
| CN201217612Y (en) * | 2008-05-30 | 2009-04-08 | 上海宝冶建设有限公司 | Aerial rail U shaped beam hoisting device |
| CN202936736U (en) * | 2012-11-27 | 2013-05-15 | 中交第二公路工程局有限公司 | Cable-stayed bridge composite beam construction bridge floor crane |
| CN103194975A (en) * | 2013-04-07 | 2013-07-10 | 中交二航局第四工程有限公司 | Self-balancing bridge deck hoisting device |
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| CN205529915U (en) * | 2016-01-15 | 2016-08-31 | 中国铁建大桥工程局集团有限公司 | Ladder type masts type hangs pieces together loop wheel machine |
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