CN106400701B - A kind of list girder low level balanced cantilever assembly Bridge Erector - Google Patents

A kind of list girder low level balanced cantilever assembly Bridge Erector Download PDF

Info

Publication number
CN106400701B
CN106400701B CN201610721272.XA CN201610721272A CN106400701B CN 106400701 B CN106400701 B CN 106400701B CN 201610721272 A CN201610721272 A CN 201610721272A CN 106400701 B CN106400701 B CN 106400701B
Authority
CN
China
Prior art keywords
girder
crane
supporting leg
main supporting
bridge erector
Prior art date
Application number
CN201610721272.XA
Other languages
Chinese (zh)
Other versions
CN106400701A (en
Inventor
王星
李青
郭吉祥
艾小军
胡勇
Original Assignee
中铁十一局集团有限公司
中铁十一局集团第六工程有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中铁十一局集团有限公司, 中铁十一局集团第六工程有限公司 filed Critical 中铁十一局集团有限公司
Priority to CN201610721272.XA priority Critical patent/CN106400701B/en
Publication of CN106400701A publication Critical patent/CN106400701A/en
Application granted granted Critical
Publication of CN106400701B publication Critical patent/CN106400701B/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/10Cantilevered erection
    • E01D21/105Balanced cantilevered erection

Abstract

A kind of entitled single girder low level balanced cantilever assembly Bridge Erector of the present invention.Belong to prefabricated subsection balanced cantilever assembly bridge formation technical field.It mainly solves the problems, such as that existing Bridge Erector has larger and excessive height of conducting oneself with dignity.It is mainly characterized by:Including girder, preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane, preceding main supporting leg, middle main supporting leg, rear main supporting leg, segment hanging beam and tensioning platform, girder is single rectangular frame structure, and girder top is provided with overhead crane orbit, and girder lower edge is provided with stainless steel track;The preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane structure are identical, and including two independent hoist systems and overhead traveling crane across beam, for overhead traveling crane across girder span seat on the overhead crane orbit of girder, the top of two independent hoist systems is fixed on overhead traveling crane across the both ends of beam.The present invention has the characteristics that simple in structure, operation is easy and construction process is easy, and it is smaller to the active force of permanent structure to be mainly used for permanent structure design requirement Bridge Erector, and must pass through the situation of limit for height.

Description

A kind of list girder low level balanced cantilever assembly Bridge Erector

Technical field

The invention belongs to prefabricated subsection balanced cantilever assembly bridge formation technical fields.More particularly to a kind of safe, light-duty, simple Single, practical novel single girder low level balanced cantilever assembly Bridge Erector.

Background technology

Precast segment assembling technique is obtained with its good economic and social benefit at home and abroad in Urban Bridge construction It is commonly used.Balanced cantilever assembly is as in a kind of more bridge construction for long across footpath of Precast Concrete Segmental Bridges technology. Balanced cantilever, which is assembled in from construction, generally has truck crane to set a roof beam in place, erection crane is set a roof beam in place, girder erection by bridging machine.It wherein builds bridge rack Beam is adopted extensively with the features such as its construction efficiency height, job safety, small, construction cost is less construction area requirement by unit in charge of construction With being most common balanced cantilever assembling and construction method.

Certain project carries out prefabricated subsection balanced cantilever assembling construction using Bridge Erector, it is desirable that Bridge Erector is to the branch of bent cap pier stud Counter-force must not exceed 2500kN, and Bridge Erector needs the door type structure by limit for height 5.7m.Pier stud bent cap both sides first to segment and Pier stud bent cap is connected using wet seam.Domestic balanced cantilever Bridge Erector is using double main beam structures at present, and dead weight is larger, no Construction support reaction requirement can be met;And in order to meet double girder bridge erecting machine construction needs, height of landing leg is larger, it is impossible to meet limit High demand.

Invention content

The present invention is for more than project demand, devises a kind of light-duty low level balanced cantilever assembly Bridge Erector of single girder. The Bridge Erector is lighter using single main beam structure and optimization design, construction weight.Leg structure designs relatively low, carries rising for segment Weight overhead traveling crane is designed using straddle-type, further reduced Bridge Erector overall height, it is ensured that the door type structure that Bridge Erector passes through limit for height.

The present invention technical solution be:A kind of list girder low level balanced cantilever assembly Bridge Erector, including girder, preceding Weight overhead traveling crane, rear hoisting overhead travelling crane, preceding main supporting leg, middle main supporting leg, rear main supporting leg, segment hanging beam and tensioning platform, it is characterised in that:Institute The girder stated is single rectangular frame structure, is the most important support section of Bridge Erector, girder top is provided with overhead crane orbit, girder Lower edge is provided with stainless steel track, and girder via is pushed for main supporting leg;The preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane structure phase Together, including two independent hoist systems and overhead traveling crane across beam, overhead traveling crane, on the overhead crane orbit of girder, is somebody's turn to do across girder span seat The top of two independent hoist systems is fixed on overhead traveling crane across the both ends of beam.

Preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane described in the technical solution of the present invention are respectively provided with two independent hoist engines System, the hoist engine of an independent hoist system in two hoist systems is double wrap rope structure.

The hoist engine of the hoist system of preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane described in the technical solution of the present invention Equipped with the transverse-moving mechanism adjusted for segment horizontal direction;Preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane are driven by sprocket wheel chain mechanism To realize the back-and-forth motion on girder.The effect of Bridge Erector precast segmental beam construction is effectively raised using double Overhead travelling crane systems Rate.

The present invention technical solution described in girder by structure it is identical module splicing forms, each module by It cuboid frame and is fixed on the supermedial girder segment of each hack lever of cuboid frame under truss, girder segment truss and forms; Setting workbench inside girder operates Bridge Erector for safety of workers;Girder side is provided with to show crane's major girder The label of displacement distance, convenient for observing Bridge Erector via distance.

Preceding main supporting leg, middle main supporting leg described in the technical solution of the present invention is identical with the structure of rear main supporting leg, Main function is support crane's major girder and pushes Bridge Erector via;Preceding main supporting leg, middle main supporting leg and rear main supporting leg by comprising It is the via stent of via oil cylinder and clamping cylinder, equalizer, telescopic column, four telescopic oil cylinders, rotating beam, transversely-moving rack, traversing Sliding rail forms;Girder is supported on by stainless steel track on the slide plate of equalizer, and slide plate is the slide plate of special nylon material, it is ensured that sliding Plate and stainless steel track friction are smaller;Telescopic column is connected between equalizer and rotating beam, for adjusting the height of main supporting leg, Ensure that main supporting leg meets Bridge Erector via or sets up the height of landing leg demand of longitudinal slope;Four telescopic oil cylinders are symmetrically fixed on equilibrium Beam using the principle of 4 stress, 3 points of balances, needs to carry out height for jacking up or declining main depth of beam and other The situation of adjustment;Rotating beam is arranged on the turntable of transversely-moving rack, and the setting of the rotating beam can make main supporting leg two parts up and down Relative rotation occurs so as to which Bridge Erector be allow to set up camber beam;Transversely-moving rack is loaded on by sliding beam on transverse slide rail, sliding beam On be provided with sliding oil cylinder, allow entire main supporting leg traversing and then ensure that Bridge Erector can set up multiple line with cross-line.

Tensioning platform described in the technical solution of the present invention is connect with prefabricated subsection using chain block;Tensioning is put down The end position of platform is equipped with can be with the fixed positioning pin of prefabricated subsection.Tensioning platform is for carrying out segment after segment lifting The workbench of tensioning, is installed on ground, as segment is lifted into high-altitude together.Chain block and positioning pin can prevent Tensioning platform is fallen down from prefabricated subsection, so that it is guaranteed that safety.

According to construction process, wet seam is provided between segment and bent cap at first pair, segment hanger is used exclusively for carrying First pair of segment is hung in order to which wet seam is constructed.Beam sections adjusting apparatus is provided with, it can be in transverse direction, longitudinal direction and height side To adjustment beam sections, beam sections is made to reach design position.

The present invention has the characteristics that simple in structure, operation easily and construction process is easy.Present invention is mainly used for permanent knots Structure design requirement Bridge Erector is smaller to the active force of permanent structure, and must pass through the situation of limit for height.

Description of the drawings

Fig. 1 is the structure total figure schematic diagram of the present invention.

Fig. 2 is structure section schematic diagram of the present invention.

Fig. 3 is girder segment of the present invention schematic diagram.

Fig. 4 is girder segment of the present invention side view.

Fig. 5 is the structure diagram of main supporting leg in the present invention.

Fig. 6 is that the present invention sets a roof beam in place schematic diagram one.

Fig. 7 is that the present invention sets a roof beam in place schematic diagram two.

Fig. 8 is via schematic diagram one of the present invention.

Fig. 9 is via schematic diagram two of the present invention.

Figure 10 is via schematic diagram three of the present invention.

Figure 11 is via schematic diagram four of the present invention.

In figure:Main branch after main supporting leg, 6- in main supporting leg, 5- before hoisting overhead travelling crane, 4- after hoisting overhead travelling crane, 3- before 1- girders, 2- Leg, 7- segments hanging beam, 8- tensioning platform, truss, 11- workbenches, 12- marks under truss, 10- girders segment on 9- girders segment Board, 13- vias stent, 14- equalizers, 15- telescopic oil cylinders, 16- telescopic columns, 17- rotating beams, 18- transversely-moving racks, 19- are traversing Sliding rail.

Specific embodiment

The present invention is described in further detail below in conjunction with the accompanying drawings.

The component composition of Fig. 1 display present invention:Girder 1, preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3, preceding main supporting leg 4, middle master Supporting leg 5, rear main supporting leg 6, segment hanging beam 7 and tensioning platform 8.

As shown in Fig. 2, preceding hoisting overhead travelling crane 2,3 structure of rear hoisting overhead travelling crane are identical, including two independent hoist systems With overhead traveling crane across beam, using the design principle of four-point hoisting three-point balancing.Overhead traveling crane is across girder span seat in the overhead crane orbit of girder 1 On, the top of two independent hoist systems is fixed on overhead traveling crane across the both ends of beam.Preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 Using straddle-type structure, hoist engine arrangement further reduced the height of Bridge Erector, Bridge Erector is overall high using sinkage type structure Degree meets the requirement by door type structure limit for height.In 3 two preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane independent hoist systems The hoist engine of one independent hoist system is double wrap rope structure.The hoist system of preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 Hoist engine be equipped with for segment horizontal direction adjustment transverse-moving mechanism;Preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 pass through sprocket chain The driving of item makes it be moved on girder 1 with being moved on girder 1, using double Overhead travelling crane systems, and it is prefabricated effectively to provide Bridge Erector The efficiency of beam sections construction.

Fig. 3, Fig. 4 show the typical structure of crane's major girder 1.Girder 1 is single rectangular frame structure, is that Bridge Erector is most main The support section wanted, 1 top of girder are provided with overhead crane orbit, and 1 lower edge of girder is provided with stainless steel track, are pushed for main supporting leg Girder via.1 overall length 100m of girder is made of the identical module splicing of nine structures, each module by cuboid frame and It is fixed on the supermedial girder segment of each hack lever of cuboid frame that truss 10 forms under truss 9, girder segment, is superimposed Form complete module.Upper and lower frames, chord member, vertically and horizontally bar, hound and diagonal strut bar all weld together.Top and Under(-)chassis is stitched together, and in node location vertical rod, hound and the support of diagonal strut bar connect.Each connection superposition Part is fixed with four bolts and two 45mm axis pins.The chord member of the adjacent block of girder corresponds to splicing.Connecting portion is with four A 52 special bolts and 40 axis pins are fixed.1 inside setting workbench 11 of girder, operates for safety of workers and builds bridge Machine.1 side of girder is provided with the label 12 for showing crane's major girder displacement distance, convenient for observing Bridge Erector via distance.

The design feature of main supporting leg is further illustrated with reference to Fig. 5.The knot of preceding main supporting leg 4, middle main supporting leg 5 and rear main supporting leg 6 Structure is identical, and main function is support crane's major girder and pushes Bridge Erector via.Middle main supporting leg 5 is by via stent 13, equilibrium Beam 14, telescopic column 16, four telescopic oil cylinders 15, rotating beam 17, transversely-moving rack 18, transverse slide rails 19 form.Via stent 13 wraps Containing via oil cylinder and clamping cylinder, the operation principle of via stent 13 is as follows:Girder lower boom is clamped by clamping cylinder Lower flange, the stretching of via oil cylinder can push girder to move ahead;Via oil cylinder stroke is treated in place after maximum position, clamping cylinder pine It opens, via oil cylinder is recovered to the position of stroke minimum, and clamping cylinder clamps again, so moves in circles and the company of girder can be realized It is continuous to move ahead.Girder 1 is supported on by stainless steel track on the slide plate of equalizer 14, and slide plate is the slide plate of special nylon material, it is ensured that Slide plate and stainless steel track friction are smaller.Equalizer 14 is used for the stress of balanced main supporting leg, and slide plate can reduce girder and main branch Friction coefficient between leg.Four telescopic oil cylinders 15 are symmetrically fixed on equalizer 14, using the principles of 4 stress, 3 points of balances, For jacking up or declining the height of girder 1 and other situations for needing to carry out height adjustment.Telescopic column 16 is connected to Between balance beam 14 and rotating beam 17, there is cushion block fixes main supporting leg height after being adjusted in place for telescopic oil cylinder on telescopic column 16 Degree, it is ensured that main supporting leg meets Bridge Erector via or sets up the height of landing leg demand of longitudinal slope.Rotating beam 17 is arranged on transversely-moving rack 18 On turntable, rotating beam 17 can be pushed to occur between transversely-moving rack 18 by oil cylinder existing to rotation, so as to fulfill rotation with frame If camber beam.Transversely-moving rack 18, loaded on transverse slide rail 19, is provided with sliding oil cylinder by sliding beam in sliding beam, make entire main branch Leg can be traversing and then ensures that Bridge Erector can set up multiple line with cross-line.

Tensioning platform 8 is connect with prefabricated subsection by chain block;The end position of tensioning platform 8 is equipped with can be with prefabricated section The fixed positioning pin of section.Tensioning platform 8 is the workbench for carrying out segment tensioning after segment lifting, in prefabricated subsection Also it is installation on ground, as segment is lifted into high-altitude together.Chain block and positioning pin can prevent tensioning platform 8 from prefabricated It is fallen down on segment.

Fig. 6 to Fig. 7 is the schematic diagram of setting a roof beam in place of Bridge Erector, is described as follows.

After Fig. 6 shows that Bridge Erector is in place, preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 coordinate segment hanging beam to complete first pair of segment After lifting, the enforcement of going forward side by side of first pair of wet seam between segment and bent cap of construction carries out tensioning with tensioning platform 8.Treat first pair After segment is completed, preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 move segment width to P+1 pier studs and P-1 pier studs respectively Distance, and lift second pair of segment.

It is that Bridge Erector constructs third to the 6th pair of segment using preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 successively that Fig. 7, which is shown,.

Bridge Erector construction finish it is previous across beam sections after, start via to next across erection, Specific construction step It is as shown in Figs. 8 to 11, it is described as follows.

It is shown according to Fig. 8, hoisting overhead travelling crane 2 preceding first, rear hoisting overhead travelling crane 3 are run in front of Bridge Erector matches above P+1 pier studs Weight.

As shown in figure 9, under the promotion of middle main 5 via oil cylinder of supporting leg, girder 1 is moved forward until the center of girder reaches The center of pier stud P+1 and pier stud P, the distance of specific girder movement can be determined by label 12 on girder 1.

As shown in Figure 10, after step shown in Fig. 9 is completed, preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 move backward to pier Counterweight above column P.The height of main supporting leg in being reduced later by the telescopic oil cylinder 15 and telescopic column 16 of supporting leg main in operation, from And declining 1 rear end of crane's major girder, front end tilts.

As shown in figure 11, the main supporting leg on pier stud P-1 is had bad luck using crane and transport vehicle on pier stud P+2 in advance.After Via stent 13 in continuous driving on main supporting leg 5 makes crane's major girder 1 continue to move ahead until crane's major girder 1 reaches specific bit It puts.The height of supporting leg 5 makes crane's major girder 1 horizontal in adjustment bridge formation owner.Preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3 run to P+ 1 pier stud, so far Bridge Erector via process completion start to set up new one across prefabricated subsection.

Above that illustrative explanation has only been carried out to the present invention, specific implementation of the invention is not limited thereto. The insubstantial modifications that any design using the present invention and technical solution carry out, within protection scope of the present invention.

Claims (5)

1. a kind of list girder low level balanced cantilever assembly Bridge Erector, including girder(1), preceding hoisting overhead travelling crane(2), rear hoisting overhead travelling crane (3), preceding main supporting leg(4), middle main supporting leg(5), rear main supporting leg(6), segment hanging beam(7)With tensioning platform(8), it is characterised in that: The girder(1)It is the most important support section of Bridge Erector for single rectangular frame structure, girder(1)Top is provided with overhead traveling crane Track, girder(1)Lower edge is provided with stainless steel track;The preceding hoisting overhead travelling crane(2), rear hoisting overhead travelling crane(3)Structure is identical, Including two independent hoist systems and overhead traveling crane across beam, overhead traveling crane is across girder span seat in girder(1)Overhead crane orbit on, this two The top of a independent hoist system is fixed on overhead traveling crane across the both ends of beam;The preceding main supporting leg(4), middle main supporting leg(5) With rear main supporting leg(6)Structure it is identical;Preceding main supporting leg(4), middle main supporting leg(5)With rear main supporting leg(6)By including via oil cylinder With the via stent of clamping cylinder(13), equalizer(14), telescopic column(16), four telescopic oil cylinders(15), rotating beam(17)、 Transversely-moving rack(18), transverse slide rail(19)Composition;Girder(1)Equalizer is supported on by stainless steel track(14)Slide plate on, it is sliding Plate is the slide plate of special nylon material;Telescopic column(16)It is connected to equalizer(14)With rotating beam(17)Between;Four flexible oil Cylinder(15)Symmetrically it is fixed on equalizer(14);Rotating beam(17)It is arranged on transversely-moving rack(18)Turntable on;Transversely-moving rack(18)It is logical Sliding beam is crossed loaded on transverse slide rail(19)On, sliding oil cylinder is provided in sliding beam.
2. a kind of single girder low level balanced cantilever assembly Bridge Erector according to claim 1, it is characterised in that:Before described Hoisting overhead travelling crane(2), rear hoisting overhead travelling crane(3)It is respectively provided with two independent hoist systems, one in two independent hoist systems The hoist engine of independent hoist system is double wrap rope structure.
3. a kind of single girder low level balanced cantilever assembly Bridge Erector according to claim 1 or 2, it is characterised in that:It is described Preceding hoisting overhead travelling crane(2), rear hoisting overhead travelling crane(3)Hoist system hoist engine be equipped with for segment horizontal direction adjustment horizontal stroke Telephone-moving structure.
4. a kind of single girder low level balanced cantilever assembly Bridge Erector according to claim 1 or 2, it is characterised in that:It is described Girder(1)It is made of the identical module splicing of structure, each module is by cuboid frame and to be fixed on cuboid frame each Truss on the supermedial girder segment of hack lever(9), truss under girder segment(10)Composition;Girder(1)Inside setting workbench (11);Girder(1)Side is provided with the label for showing crane's major girder displacement distance(12).
5. a kind of single girder low level balanced cantilever assembly Bridge Erector according to claim 1 or 2, it is characterised in that:It is described Tensioning platform(8)Being respectively equipped with can be with girder(1)The chain block of connection and the chain block that can be connect with prefabricated subsection; Even up platform(8)End position be equipped with can be with the fixed positioning pin of prefabricated subsection.
CN201610721272.XA 2016-08-25 2016-08-25 A kind of list girder low level balanced cantilever assembly Bridge Erector CN106400701B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610721272.XA CN106400701B (en) 2016-08-25 2016-08-25 A kind of list girder low level balanced cantilever assembly Bridge Erector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610721272.XA CN106400701B (en) 2016-08-25 2016-08-25 A kind of list girder low level balanced cantilever assembly Bridge Erector

Publications (2)

Publication Number Publication Date
CN106400701A CN106400701A (en) 2017-02-15
CN106400701B true CN106400701B (en) 2018-06-29

Family

ID=58004725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610721272.XA CN106400701B (en) 2016-08-25 2016-08-25 A kind of list girder low level balanced cantilever assembly Bridge Erector

Country Status (1)

Country Link
CN (1) CN106400701B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109208478A (en) * 2017-06-30 2019-01-15 中交第二航务工程局有限公司 A kind of prefabricated assembled bridge integration rapid constructing method
CN109024308B (en) * 2018-06-21 2019-06-28 上海建工集团股份有限公司 The dead load control device and method of Bridge Erector
CN109610346B (en) * 2018-12-18 2020-10-16 腾达建设集团股份有限公司 Cantilever beam adjusting method
CN109750609A (en) * 2019-01-04 2019-05-14 腾达建设集团股份有限公司 The whole flat turn device of Bridge Erector and the construction method of Bridge Erector entirety flat turn
CN110616637A (en) * 2019-08-14 2019-12-27 中交二航局第二工程有限公司 Overlength multifunctional integrated bridge girder erection machine and construction method for installing prefabricated bridge
CN111139742A (en) * 2019-12-26 2020-05-12 中铁十七局集团第三工程有限公司 Method for mounting and dismounting highway bridge girder erection machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1940183A (en) * 2006-08-04 2007-04-04 铁道第五勘察设计院 Continuous medium-spanning beamed motor bridge and its erection
CN102304896A (en) * 2011-07-08 2012-01-04 温州合力建设机械有限公司 Section assembling bridge girder erection machine
CN104831630A (en) * 2014-10-22 2015-08-12 中铁十一局集团第六工程有限公司 Light small-curve segment assembling and bridging machine
CN205954500U (en) * 2016-08-25 2017-02-15 中铁十一局集团有限公司 Balanced free cantilever erection frame bridge crane of single girder low level

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009287360A (en) * 2008-06-02 2009-12-10 Ihi Corp Overhang electing method and bridge girder block

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1940183A (en) * 2006-08-04 2007-04-04 铁道第五勘察设计院 Continuous medium-spanning beamed motor bridge and its erection
CN102304896A (en) * 2011-07-08 2012-01-04 温州合力建设机械有限公司 Section assembling bridge girder erection machine
CN104831630A (en) * 2014-10-22 2015-08-12 中铁十一局集团第六工程有限公司 Light small-curve segment assembling and bridging machine
CN205954500U (en) * 2016-08-25 2017-02-15 中铁十一局集团有限公司 Balanced free cantilever erection frame bridge crane of single girder low level

Also Published As

Publication number Publication date
CN106400701A (en) 2017-02-15

Similar Documents

Publication Publication Date Title
CN101586330B (en) Receding construction method of cradle of continuous girder bridge made of prestressing concrete
CN201250385Y (en) Rear support long cantilevered traveling carriage system for cable-stayed bridge cantilever casting
AU2012311213B2 (en) System of vertical and horizontal movement of the transport cabin in a elevator translator plant for the overcoming of obstacles
CN100513694C (en) Large tonnage whole opening box girder transmitting and construction method
CN103422441B (en) DJ180 Bridge Erector erection long-span highway box beam passing method
CN100543235C (en) The method and system of erecting steel trusses by stay cable auxiliary complete cantilever
CN105421249B (en) Dragging- hoisting combined type hanging basket structure and construction method
CN202936736U (en) Cable-stayed bridge composite beam construction bridge floor crane
CN202090286U (en) Traction system suitable for self-anchored type double cable plane suspension bridge
CN101462672B (en) Big elevating capacity and big elevating height hoisting crane
CN201704630U (en) Slippage die carrier of concrete cast-in-situ continuous beam
CN201074517Y (en) Broaden tunnel lining bogie
CN102296971A (en) Lining method for tunnel emergency turnout strips and tunnel-lining trolley
CN104631335B (en) Large-tonnage Bridge Erector and construction method thereof
CN102367651B (en) U-shaped concrete beam bridge girder erection machine
CN104762885A (en) Large-tonnage beam erection and transportation system in tunnel and beam erection span change procedure thereof
CN102267664B (en) Method for installing bridge crane using load-supporting roof beam for hoisting and usage thereof
JP2007120077A (en) Erection method of elevated road bridge, and its facility
CN102094392B (en) Lower supported hanging basket in bridge construction and application thereof
CN102493346A (en) Upper air anti-collision guardrail module transfer hanging bracket and construction method
CN201962607U (en) Movable elevating device for hoisting elevated bridge cantilever arm
CN106087775B (en) For setting up intercity track and subway U beam self-balancing via hole type Bridge Erectors
WO2014015757A1 (en) Bridge maintenance vehicle with hinge-connected type hanging bracket and capable of avoiding bridge-side obstacles
CN202899040U (en) Crossing tunnel box girder transporting and mounting all-in-one machine
CN201943007U (en) Constant amplitude frame beam crane capable of being used in combination with movable support frame

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant